Overview
🔋
Calculators
10
⚡
Battery Types
Lead / Li-ion
🔌
Voltage Range
12V – 480V
📐
Standards
IEC 62133
Calculators
⏱️
Battery Backup Time
How long battery lasts under load
T = (Ah × V × DoD × η) / Load_W [hours]
Backup Time
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Usable Energy
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Actual DoD
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End Voltage
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Usable Capacity
🏗️
Battery Bank Sizing
Ah, kWh & battery count for required backup
Ah = (Load_W × T × 1000) / (V_bank × DoD × η) | Batteries = Ah / Ah_per_bat
Total Ah Needed
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Total kWh
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No. of Batteries
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Series × Parallel
—
⚡
Battery Charging Time
Time to fully charge from any state
T = (Ah × (1 − SoC%) × 1.1) / I_charger [hours]
Charge Time
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Energy to Add
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Charger Power
—
C-Rate
—
📊
State of Charge (SoC)
SoC from voltage or Ah consumed
SoC% = (V − V_min) / (V_max − V_min) × 100 | SoC% = (1 − Ah_used/Ah_total) × 100
SoC % (Voltage)
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SoC % (Ah)
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Remaining Ah
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Condition
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Battery Level
📉
C-Rate & Discharge Current
C-rate, discharge current & time
I = C-rate × Capacity_Ah | T = 1 / C-rate [hours] | Power = I × V
C-Rate
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Current (A)
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Discharge Time
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Power (W)
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Temp Derating
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Eff. Capacity
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Energy (Wh)
—
🔗
Series & Parallel Configuration
Bank voltage, Ah & total kWh
V_bank = V_cell × N_series | Ah_bank = Ah_cell × N_parallel | kWh = V×Ah/1000
Bank Voltage
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Bank Ah
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Total kWh
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Total Batteries
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Max Charge V
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Bank Int. R (mΩ)
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Configuration
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🏢
UPS Battery Sizing
Battery count & kVA for UPS backup
Ah = (kVA × PF × T × 1000) / (V_bus × DoD × η) | Cells = Ah / Cell_Ah
Load (kW)
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Ah Required
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No. of Cells
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Series / Parallel
—
🔥
Battery Efficiency & Losses
Round-trip efficiency, heat loss & life cycles
RTE% = (Ah_out × V_avg_dis) / (Ah_in × V_avg_chg) × 100 | Loss = Input − Output
Round-Trip Eff.
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Energy Lost
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Voltage Eff.
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Battery Health
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Cycles Used
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Remaining Life
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Estimated Years
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☀️
Solar + Battery Storage
Daily solar vs load balance & storage need
Excess = Solar_gen − Load | Storage = Excess / (DoD × η) | Deficit → Grid/backup
Excess Solar
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Storage Needed
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Batteries Needed
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Grid Deficit
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Solar Coverage of Load
🔋
Battery All-in-One Summary
Complete battery system: Load → Bank size → Backup time → Charge time → Life estimate
Full system snapshot: Connected load → Required Ah → Batteries → Backup time → Charging → Health
Total Ah Needed
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No. of Batteries
—
Bank kWh
—
Backup Time
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Charge Time
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Series × Parallel
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C-Rate
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Daily Energy Cost
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Est. Cycle Life
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Recommendation
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Backup Coverage
