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Battery facility calculator · HTML
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Internal Planning Tool
Facility Sizing Calculator
Battery Charging Facility
Fill in all parameters below to calculate the exact number of chargers and storage locations needed. Results update automatically as you type.
How to use this calculator:
- Enter your facility parameters — charge time, number of docks, pallet size, and operating hours.
- Enter your truck schedule and your daily target. The calculator will verify whether they are consistent.
- Set your safety buffers (recommended: 20% on chargers, 30% on storage).
- Results appear at the bottom and update live as you type.
01
Facility Parameters
Known constraints of your facility
How long does one battery take to fully charge?
⚠ Please enter a number between 0.5 and 24
hours
How many batteries fit on one truck pallet?
⚠ Please enter a whole number between 1 and 100
batteries / pallet
How many truck docking bays does the facility have?
⚠ Please enter a whole number between 1 and 50
docks
How many hours per day is the facility active? (Enter 24 for continuous operation)
⚠ Please enter a number between 1 and 24
hours / day
02
Demand Inputs
Enter all three — we'll cross-check them for you
A truck arrives at each dock every X hours, dropping empty batteries and picking up full ones
⚠ Please enter a number between 0.5 and 24
hours between arrivals
How many pallets of empty batteries does each truck bring in per visit?
⚠ Please enter a whole number between 1 and 20
pallets / truck visit
How many batteries does the client need charged per day?
⚠ Please enter a whole number between 1 and 50,000
batteries / day
03
Safety Buffers
Recommended: 20% chargers · 30% storage
Extra chargers above the bare minimum — covers maintenance, downtime, and demand peaks
⚠ Please enter a percentage between 0 and 200
% above minimum
Extra storage slots above minimum — covers delays, pickup timing, and surge arrivals
⚠ Please enter a percentage between 0 and 200
% above minimum
Results — updates as you type
Please fix the highlighted fields above — results cannot be calculated until all inputs are valid.
Chargers needed
—
including buffer
Storage locations
—
including buffer
Truck throughput
—
batteries / day from schedule
Truck arrivals / day
—
across all docks
Calculation breakdown
| Truck arrivals per day (all docks) | — |
| Batteries delivered per truck visit (per dock) | — |
| Batteries delivered per day from truck schedule | — |
| Charging cycles per charger per day | — |
| Minimum chargers required (no buffer) | — |
| Batteries on chargers at peak | — |
| Queue waiting for a charger at peak | — |
| Fully charged batteries awaiting pickup | — |
| Minimum storage required (no buffer) | — |
| Charger utilization at buffered count | — |
Min chargers
—
bare minimum
Min storage
—
bare minimum
Charger utilization
—
at buffered count
Daily target
—
client stated
Battery Charging Facility Sizing Calculator ·
spexal.com ·
Results are estimates based on provided inputs
Click on "Edit" in the right panel to replace this with your own HTML code
Internal Planning Tool
Facility Sizing Calculator
Battery Charging Facility
Fill in all parameters below to calculate the exact number of chargers and storage locations needed. Results update automatically as you type.
How to use this calculator:
- Enter your facility parameters — charge time, number of docks, pallet size, and operating hours.
- Enter your truck schedule and your daily target. The calculator will verify whether they are consistent.
- Set your safety buffers (recommended: 20% on chargers, 30% on storage).
- Results appear at the bottom and update live as you type.
01
Facility Parameters
Known constraints of your facility
How long does one battery take to fully charge?
⚠ Please enter a number between 0.5 and 24
hours
How many batteries fit on one truck pallet?
⚠ Please enter a whole number between 1 and 100
batteries / pallet
How many truck docking bays does the facility have?
⚠ Please enter a whole number between 1 and 50
docks
How many hours per day is the facility active? (Enter 24 for continuous operation)
⚠ Please enter a number between 1 and 24
hours / day
02
Demand Inputs
Enter all three — we'll cross-check them for you
A truck arrives at each dock every X hours, dropping empty batteries and picking up full ones
⚠ Please enter a number between 0.5 and 24
hours between arrivals
How many pallets of empty batteries does each truck bring in per visit?
⚠ Please enter a whole number between 1 and 20
pallets / truck visit
How many batteries does the client need charged per day?
⚠ Please enter a whole number between 1 and 50,000
batteries / day
03
Safety Buffers
Recommended: 20% chargers · 30% storage
Extra chargers above the bare minimum — covers maintenance, downtime, and demand peaks
⚠ Please enter a percentage between 0 and 200
% above minimum
Extra storage slots above minimum — covers delays, pickup timing, and surge arrivals
⚠ Please enter a percentage between 0 and 200
% above minimum
Results — updates as you type
Please fix the highlighted fields above — results cannot be calculated until all inputs are valid.
Chargers needed
—
including buffer
Storage locations
—
including buffer
Truck throughput
—
batteries / day from schedule
Truck arrivals / day
—
across all docks
Calculation breakdown
| Truck arrivals per day (all docks) | — |
| Batteries delivered per truck visit (per dock) | — |
| Batteries delivered per day from truck schedule | — |
| Charging cycles per charger per day | — |
| Minimum chargers required (no buffer) | — |
| Batteries on chargers at peak | — |
| Queue waiting for a charger at peak | — |
| Fully charged batteries awaiting pickup | — |
| Minimum storage required (no buffer) | — |
| Charger utilization at buffered count | — |
Min chargers
—
bare minimum
Min storage
—
bare minimum
Charger utilization
—
at buffered count
Daily target
—
client stated
Battery Charging Facility Sizing Calculator ·
spexal.com ·
Results are estimates based on provided inputs