Lithium Battery Charger Selector

Enter battery parameters to calculate charger specifications

Battery Parameters

Battery Type

Battery Capacity (Ah)

Series Count (S)

4S = 14.8V nominal

Charge Rate (C)

Target Charge Time (hours) (optional)

Charger output voltage must precisely match the pack's full charge voltage — overvoltage damages cells.
LiFePO4 cells charge to 3.65V/cell — never use a Li-ion charger for LiFePO4 packs.
For large capacity packs, 0.2C–0.5C slow charging is recommended to extend cycle life.
Higher C-rates generate more heat — ensure adequate cooling is available.
Actual charge time is slightly longer than theoretical due to the CC-CV transition phase.

Battery Pack Info

Pack Configuration4S / 10Ah

Nominal Voltage14.8V

Full Charge Voltage16.8V

Charger Requirements

Charger Output Voltage Range

10V ~ 16.8V

Charge Current

Charge Power84W

Estimated Charge Time~2h

Charge Rate0.5C

Can't find a matching charger?

Calculation Notes

Full charge voltage = Cell max voltage x Series count; Charge current = Capacity(Ah) x C-rate; Charge time ≈ 1 / C-rate