{"id":9089,"date":"2026-04-16T15:24:45","date_gmt":"2026-04-16T15:24:45","guid":{"rendered":"https:\/\/total-locker-service.com\/blog\/?p=9089"},"modified":"2026-09-16T13:46:42","modified_gmt":"2026-09-16T13:46:42","slug":"charging-locker-capacity","status":"publish","type":"post","link":"https:\/\/total-locker-service.com\/blog\/charging-locker-capacity\/","title":{"rendered":"How to Plan Charging Locker Capacity"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Charging locker capacity should be calculated from the number of devices that genuinely need secure charging at the same time, then converted into the number of complete charging-locker units required. Total device population is only the starting point.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide shows how to calculate <strong>how many charging locker compartments and complete locker units you need<\/strong>. It covers total device numbers, peak simultaneous charging demand, spare or growth allowance, unit conversion, rounding up partial locker requirements and future expansion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the wider charging-locker specification process, start with the <a href=\"\/blog\/charging-lockers-uk-guide\/\">Charging Lockers UK guide<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quick-answer\">Quick answer: how many charging locker compartments do I need?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use two calculations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Required charging positions = peak simultaneous charging demand + chosen spare\/growth allowance<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then convert the result into complete locker units:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Number of locker units = required charging positions \u00f7 usable charging positions per locker, rounded up<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Always round the locker-unit result up to the next complete unit. A calculation of 2.1, 2.5 or 2.9 lockers still requires <strong>3 complete lockers<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There is no universal spare-capacity percentage that suits every site. Choose an allowance that reflects the likelihood of growth, temporary devices, replacement equipment and changes in use.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-capacity-means\">What charging locker capacity actually means<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Charging capacity is the number of <strong>usable charging positions<\/strong> required to support the real operating pattern of a school, workplace or facility.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That is different from simply counting the total number of devices owned by the organisation. Some devices may be in use while others are charging. Some may never need to return to the locker at the same time. Others, such as a class set or shift-issued equipment, may all return together.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Capacity figure<\/th><th>What it means<\/th><\/tr><\/thead><tbody>\n<tr><td>Total device population<\/td><td>Every device the charging system may need to support<\/td><\/tr>\n<tr><td>Peak simultaneous charging demand<\/td><td>The maximum number likely to need a charging position at the same time<\/td><\/tr>\n<tr><td>Spare\/growth allowance<\/td><td>Additional positions deliberately provided for expansion, replacements or operational resilience<\/td><\/tr>\n<tr><td>Required charging positions<\/td><td>Peak simultaneous demand plus the chosen allowance<\/td><\/tr>\n<tr><td>Usable positions per locker<\/td><td>The number of charging positions in the specific locker configuration being considered<\/td><\/tr>\n<tr><td>Required locker units<\/td><td>Required charging positions divided by usable positions per locker, rounded up<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"count-total-devices\">Step 1: count the total device population<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Start by identifying every device group that may need to use the charging system.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>laptops;<\/li>\n<li>Chromebooks;<\/li>\n<li>tablets;<\/li>\n<li>phones;<\/li>\n<li>radios;<\/li>\n<li>barcode scanners;<\/li>\n<li>handheld terminals;<\/li>\n<li>tool batteries;<\/li>\n<li>loan or replacement devices;<\/li>\n<li>future devices already planned for purchase.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Keep different device pools separate at this stage if they have different return patterns. Twenty laptops that return overnight and twenty scanners that return at shift handover should not automatically be treated as one forty-device demand figure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"peak-demand\">Step 2: identify peak simultaneous charging demand<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The most important capacity figure is the maximum number of devices that realistically need charging at the same time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use the busiest normal charging period rather than the daily average.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>School class set:<\/strong> if all tablets return after the final lesson, peak demand may equal the complete set.<\/li>\n<li><strong>Hybrid office:<\/strong> if only part of the laptop fleet is ever returned together, peak demand may be much lower than total ownership.<\/li>\n<li><strong>Warehouse:<\/strong> if radios or scanners return together at shift handover, the handover period may define peak demand.<\/li>\n<li><strong>Mixed workplace:<\/strong> different device groups may reach their peaks at different times and may need separate calculations.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do not reduce the figure because devices are usually staggered if there are predictable periods when more equipment returns together. Capacity should survive the busiest routine condition the site expects to handle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The operational differences behind these patterns are covered in <a href=\"\/blog\/charging-lockers-schools-vs-workplaces\/\">Charging Lockers for Schools vs Workplaces<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"spare-growth-allowance\">Step 3: choose a spare or growth allowance<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once peak simultaneous demand is known, decide whether additional charging positions should be provided.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There is <strong>no universal percentage<\/strong> that should automatically be added. The appropriate allowance depends on the site.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Are more laptops or tablets already planned?<\/li>\n<li>Is pupil, employee or membership growth likely?<\/li>\n<li>Are temporary or loan devices regularly added?<\/li>\n<li>Could new shifts or teams increase peak demand?<\/li>\n<li>Would spare positions help when a device is replaced or moved between groups?<\/li>\n<li>Is it difficult or expensive to add another locker later?<\/li>\n<li>Is the device population stable enough to plan tightly?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The organisation should choose and document its own allowance. For one stable fleet it might be only a small number of additional positions. Another site may deliberately reserve more expansion capacity because growth is already expected.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"calculate-positions\">Step 4: calculate the required charging positions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once peak demand and the chosen allowance are known, calculate the number of charging positions required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Required charging positions = peak simultaneous charging demand + chosen spare\/growth allowance<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Peak simultaneous demand<\/th><th>Chosen allowance<\/th><th>Required positions<\/th><\/tr><\/thead><tbody>\n<tr><td>18<\/td><td>2<\/td><td>20<\/td><\/tr>\n<tr><td>32<\/td><td>4<\/td><td>36<\/td><\/tr>\n<tr><td>16<\/td><td>4<\/td><td>20<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This calculation tells you how many usable charging spaces the installation needs. It does not yet tell you how many complete locker cabinets to buy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"convert-to-locker-units\">Step 5: convert charging positions into complete locker units<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Next, take the required charging positions and divide them by the number of <strong>usable charging positions in the specific locker unit<\/strong> being considered.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Number of locker units = required charging positions \u00f7 usable charging positions per locker<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the answer is not a whole number, round up.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Required positions<\/th><th>Positions per locker<\/th><th>Calculation<\/th><th>Complete lockers required<\/th><\/tr><\/thead><tbody>\n<tr><td>36<\/td><td>12<\/td><td>36 \u00f7 12 = 3<\/td><td>3<\/td><\/tr>\n<tr><td>20<\/td><td>10<\/td><td>20 \u00f7 10 = 2<\/td><td>2<\/td><\/tr>\n<tr><td>20<\/td><td>8<\/td><td>20 \u00f7 8 = 2.5<\/td><td>3<\/td><\/tr>\n<tr><td>25<\/td><td>12<\/td><td>25 \u00f7 12 = 2.08<\/td><td>3<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You cannot normally buy half a charging locker, and the unused positions in the final cabinet become part of the available capacity. Recheck the completed configuration so that the final result still matches your intended allowance and expansion plan.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"school-example\">Worked example 1: school tablet charging capacity<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A school has a set of <strong>32 tablets<\/strong>. All 32 are normally returned together at the end of the teaching day.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total device population: <strong>32<\/strong><\/li>\n<li>Peak simultaneous charging demand: <strong>32<\/strong><\/li>\n<li>School chooses additional capacity: <strong>4 positions<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Required charging positions = 32 + 4 = 36<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The proposed charging locker has <strong>12 usable charging positions<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>36 \u00f7 12 = 3 charging lockers<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The school therefore needs <strong>3 complete 12-position charging lockers<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hybrid-office-example\">Worked example 2: hybrid-office laptop capacity<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A business owns <strong>40 laptops<\/strong>, but attendance records and device-return patterns show that no more than <strong>18 laptops<\/strong> normally require secure charging at the same time.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total laptop population: <strong>40<\/strong><\/li>\n<li>Peak simultaneous charging demand: <strong>18<\/strong><\/li>\n<li>Business chooses additional capacity: <strong>2 positions<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Required charging positions = 18 + 2 = 20<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The chosen unit provides <strong>10 usable charging positions<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>20 \u00f7 10 = 2 charging lockers<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The business therefore needs <strong>2 complete 10-position charging lockers<\/strong>. It does not need forty charging positions simply because forty laptops exist.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"warehouse-example\">Worked example 3: warehouse shift equipment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A warehouse has <strong>22 scanners and radios<\/strong> in operation. The largest normal return at a shift handover is <strong>16 devices<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total device population: <strong>22<\/strong><\/li>\n<li>Peak simultaneous charging demand: <strong>16<\/strong><\/li>\n<li>Site chooses additional capacity: <strong>4 positions<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Required charging positions = 16 + 4 = 20<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The proposed locker provides <strong>8 usable positions<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>20 \u00f7 8 = 2.5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Round up to the next complete unit:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3 charging lockers are required.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Three 8-position lockers provide 24 positions, leaving four positions above the calculated 20-position requirement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mixed-device-example\">Worked example 4: mixed device pools<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mixed devices should not automatically be added together and placed into one locker type. First separate the equipment by charging pattern and by the kind of compartment each device requires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, a facilities team has:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>12 laptops, with a peak simultaneous return of 8;<\/li>\n<li>18 handheld radios, with a peak simultaneous return of 14.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The organisation chooses 2 additional laptop positions and 2 additional radio positions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Laptops: 8 + 2 = 10 required charging positions<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Radios: 14 + 2 = 16 required charging positions<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If a 10-position laptop locker and an 8-position radio-compatible locker are selected:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laptops: 10 \u00f7 10 = <strong>1 locker<\/strong><\/li>\n<li>Radios: 16 \u00f7 8 = <strong>2 lockers<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The mixed requirement therefore becomes <strong>3 complete locker units across two suitable configurations<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether equipment physically fits the selected compartments is a different question. Check that separately using <a href=\"\/blog\/charging-locker-sizes-explained\/\">Charging Locker Sizes Explained<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"shared-assigned-effect\">How shared vs assigned use affects the calculation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The capacity calculation needs an agreed operating model. A permanently assigned charging position can remain reserved even when its normal user is absent, while a genuinely shared charging position may serve several users or devices at different times.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not try to solve that allocation question inside the capacity calculation. Decide the operating model first, then calculate peak simultaneous demand from it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use <a href=\"\/blog\/shared-vs-assigned-charging-lockers\/\">Shared vs Assigned Charging Lockers<\/a> for pooled, individually allocated, role-based and hybrid charging systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"one-large-vs-smaller-units\">One large charging locker or several smaller units?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once the number of charging positions is known, the same capacity can sometimes be delivered by one larger charging bank or several smaller units.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Several smaller units may help when<\/th><th>One larger unit may help when<\/th><\/tr><\/thead><tbody>\n<tr><td>devices belong to different departments or areas<\/td><td>all equipment is issued and returned from one central point<\/td><\/tr>\n<tr><td>different device types need different compartment formats<\/td><td>the device fleet is highly standardised<\/td><\/tr>\n<tr><td>capacity needs to be distributed around a building<\/td><td>a single managed charging location is preferred<\/td><\/tr>\n<tr><td>future expansion may be phased<\/td><td>the full requirement is known and needed immediately<\/td><\/tr>\n<tr><td>one unit should remain available if another is being serviced<\/td><td>centralised supervision or administration is important<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The physical location decision belongs in <a href=\"\/blog\/where-to-install-charging-lockers\/\">Where to Install Charging Lockers<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"rounding\">Always round partial locker requirements up<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Locker-unit calculations commonly produce fractions. These must be rounded up because the required charging positions still have to exist physically.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Calculation result<\/th><th>Locker units to specify<\/th><\/tr><\/thead><tbody>\n<tr><td>1.1<\/td><td>2<\/td><\/tr>\n<tr><td>1.8<\/td><td>2<\/td><\/tr>\n<tr><td>2.01<\/td><td>3<\/td><\/tr>\n<tr><td>2.5<\/td><td>3<\/td><\/tr>\n<tr><td>3.0<\/td><td>3<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Do not round 2.5 lockers down to 2 because that would leave part of the calculated charging demand unsupported.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"future-expansion\">Plan future charging capacity before the first installation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Future expansion can be handled in two ways:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Build extra positions into the initial requirement<\/strong> through the chosen spare\/growth allowance.<\/li>\n<li><strong>Plan for an additional locker later<\/strong> by reserving suitable physical and electrical provision for expansion.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The correct approach depends on how certain the growth is. If additional devices have already been approved, including them in the calculation may be more sensible than treating them as vague future growth. If demand is uncertain, leaving a planned expansion route can avoid overbuying immediately.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Electrical supply for current and future charging units should be reviewed separately using <a href=\"\/blog\/charging-locker-power-requirements-explained\/\">Charging Locker Power Requirements Explained<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-mistakes\">Common charging locker capacity mistakes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Using total device ownership as the charging requirement.<\/strong> Peak simultaneous demand may be lower or may equal the whole fleet depending on the workflow.<\/li>\n<li><strong>Using average demand instead of peak demand.<\/strong> Capacity needs to survive the busiest normal return period.<\/li>\n<li><strong>Adding an arbitrary spare percentage.<\/strong> Choose an allowance that reflects the actual site&#8217;s growth and resilience needs.<\/li>\n<li><strong>Stopping at the number of required positions.<\/strong> Convert positions into complete locker units before ordering.<\/li>\n<li><strong>Rounding down a partial locker.<\/strong> Always round the unit requirement up.<\/li>\n<li><strong>Combining incompatible device pools.<\/strong> Different devices may need separate locker configurations even when they share one capacity project.<\/li>\n<li><strong>Ignoring the allocation model.<\/strong> Shared and assigned systems can create different peak-demand patterns.<\/li>\n<li><strong>Ignoring expansion.<\/strong> A system that is full on day one may be expensive to extend later.<\/li>\n<li><strong>Using compartment count without confirming usability.<\/strong> Physical device and charger fit must be checked on the dedicated sizing stage.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"worksheet\">Charging locker capacity planning worksheet<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Planning item<\/th><th>Your figure<\/th><\/tr><\/thead><tbody>\n<tr><td>Total device population<\/td><td>_____<\/td><\/tr>\n<tr><td>Peak simultaneous charging demand<\/td><td>_____<\/td><\/tr>\n<tr><td>Chosen spare\/growth allowance<\/td><td>_____<\/td><\/tr>\n<tr><td>Required charging positions<\/td><td>Peak demand + allowance = _____<\/td><\/tr>\n<tr><td>Usable charging positions per proposed locker<\/td><td>_____<\/td><\/tr>\n<tr><td>Raw locker-unit calculation<\/td><td>Required positions \u00f7 positions per locker = _____<\/td><\/tr>\n<tr><td>Complete locker units required<\/td><td>Round up = _____<\/td><\/tr>\n<tr><td>Total charging positions provided by final configuration<\/td><td>_____<\/td><\/tr>\n<tr><td>Unused positions after installation<\/td><td>_____<\/td><\/tr>\n<tr><td>Planned future expansion<\/td><td>_____<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If the project contains several device groups, complete the calculation separately for each group before deciding whether they can use the same locker configuration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"handoff-table\">What to decide after capacity<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Next question<\/th><th>Use this guide<\/th><\/tr><\/thead><tbody>\n<tr><td>Will the devices and chargers physically fit?<\/td><td><a href=\"\/blog\/charging-locker-sizes-explained\/\">Charging Locker Sizes Explained<\/a><\/td><\/tr>\n<tr><td>Should charging spaces be pooled or individually allocated?<\/td><td><a href=\"\/blog\/shared-vs-assigned-charging-lockers\/\">Shared vs Assigned Charging Lockers<\/a><\/td><\/tr>\n<tr><td>What electrical supply or charging load is required?<\/td><td><a href=\"\/blog\/charging-locker-power-requirements-explained\/\">Charging Locker Power Requirements Explained<\/a><\/td><\/tr>\n<tr><td>Where should the lockers be positioned?<\/td><td><a href=\"\/blog\/where-to-install-charging-lockers\/\">Where to Install Charging Lockers<\/a><\/td><\/tr>\n<tr><td>How do school and workplace operating patterns differ?<\/td><td><a href=\"\/blog\/charging-lockers-schools-vs-workplaces\/\">Charging Lockers for Schools vs Workplaces<\/a><\/td><\/tr>\n<tr><td>What is the complete specification process?<\/td><td><a href=\"\/blog\/charging-lockers-uk-guide\/\">Charging Lockers UK Guide<\/a><\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"capacity-faqs\">Charging locker capacity FAQs<\/h2>\n\n\n\n<div itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">How do I calculate how many charging locker compartments I need?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Identify the maximum number of devices that need secure charging at the same time, then add the spare or growth allowance chosen for the site. The result is the number of required charging positions.<\/p>\n<\/div>\n<\/div>\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">What is the formula for charging locker capacity?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Required charging positions equal peak simultaneous charging demand plus the site&#8217;s chosen spare or growth allowance.<\/p>\n<\/div>\n<\/div>\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">How do I convert charging positions into complete locker units?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Divide the required charging positions by the number of usable charging positions in the chosen locker. If the result is not a whole number, round it up to the next complete locker.<\/p>\n<\/div>\n<\/div>\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">Should every device have its own charging locker position?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Not necessarily. Capacity should be based on the agreed allocation model and the maximum number of devices that genuinely need charging at the same time. Some assigned systems may reserve positions permanently, while pooled systems may use positions more flexibly.<\/p>\n<\/div>\n<\/div>\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">How much spare charging locker capacity should I allow?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">There is no universal spare-capacity percentage. Choose an allowance that reflects likely device growth, temporary equipment, replacement devices, operational resilience and how easy it would be to add more capacity later.<\/p>\n<\/div>\n<\/div>\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">What happens if the locker calculation gives 2.5 units?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Round up to three complete lockers. Rounding down would leave part of the calculated charging requirement without a position.<\/p>\n<\/div>\n<\/div>\n\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\">How many charging lockers does a school class set need?<\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Calculate how many devices return together, add the school&#8217;s chosen spare or growth allowance, then divide that requirement by the usable positions in the proposed locker and round up. For example, 32 tablets plus four spare positions require 36 charging positions; with 12-position lockers, three complete units are required.<\/p>\n<\/div>\n<\/div>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"summary\">Charging locker capacity: summary<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Charging locker capacity should be based on <strong>peak simultaneous charging demand<\/strong>, not automatically on total device population or total staff numbers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">First calculate the required positions:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Required charging positions = peak simultaneous charging demand + chosen spare\/growth allowance<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then calculate complete locker units:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Number of locker units = required charging positions \u00f7 usable charging positions per locker, rounded up<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep separate device pools separate where their return patterns or compartment requirements differ, and decide how future growth will be handled before installation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When you are ready to compare products, view the <a href=\"\/Charging.php\">Total Locker Service charging locker range<\/a>. For the complete specification process, return to the <a href=\"\/blog\/charging-lockers-uk-guide\/\">Charging Lockers UK guide<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Planning charging locker capacity is one of the most important parts of choosing the right unit. A locker may look suitable at first glance, but if it cannot cope with the number of devices that need charging each day, it will quickly become frustrating to use. Devices may be left out on desks, users may compete for space and charging routines can become disorganised. On the other hand, a locker with far more capacity than you need may take up too much room and push the budget higher than necessary.<\/p>\n","protected":false},"author":2,"featured_media":9090,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"linkedin_8!sp!ccgY3PHH_8!sp!ccgY3PHH":"","facebook_10230588337348033_137624466298818":"","facebook_10230588337348033_17841463266660361":"","tumblr_totallockerservice1_totallockerservice1":"","twitter_14542543_14542543":"","linkedin_Y0!sp!DomBmhU_Y0!sp!DomBmhU":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":true,"token":"eyJpbWciOiJodHRwczpcL1wvdG90YWwtbG9ja2VyLXNlcnZpY2UuY29tXC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI2XC8wNFwvaG93LXRvLXBsYW4tY2hhcmdpbmctbG9ja2VyLWNhcGFjaXR5LTEwMjR4NjgzLnBuZyIsInR4dCI6IkhvdyB0byBQbGFuIENoYXJnaW5nIExvY2tlciBDYXBhY2l0eSIsInRlbXBsYXRlIjoiaGlnaHdheSIsImZvbnQiOiIiLCJibG9nX2lkIjo1NTI3OTQzMn0.WLvzVbHKSNAwoB9y8jQ4HHhgP_SC8c0w4yXbsoqujQUMQ"},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[249,13,1],"tags":[796],"class_list":["post-9089","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-locker","category-lockers","category-uncategorized","tag-how-to-plan-charging-locker-capacity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Plan Charging Locker Capacity | UK Guide for Schools &amp; Workplaces<\/title>\n<meta name=\"description\" content=\"Learn how to plan charging locker capacity for schools, offices and workplaces. 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