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NiCd/NiMH
Voltage level: 1.2V/cell
Permitted fast charge current: 1C~2C depends on the performance of cell discharge
voltage cut off level: 0.85V/cell (NiCd), 1.0V/cell (NiMH)
Li-ion
Voltage level: 3.6V/cell
Max. charge voltage: 4.1V/cell
Permitted fast charge current: 1C or less
Min. discharge voltage cut off level: 2.5V/cell or higher
Li-Po
Voltage level: 3.7V/cell
Max. Charge voltage: 4.2V/cell
Permitted fast charge current: 1C to 3C depending on the battery manufacturer’s
specification. 1C is recommended.
Discharge voltage cut off level: 3.0V/cell or higher
Li-Fe
Voltage level: 3.3V/cell
Max. Charge voltage: 3.6V/cell
Permitted fast charge current: 4C or less (e.g.A123M1)
Discharge voltage cut off level: 2.0V/cell or higher
Pb
Voltage level: 2.0V/cell
(Lead-acid) Max. Charge voltage: 2.46V/cell
Permitted fast charge current: 0.4C or less
Discharge voltage cut off level: 1.75V/cell or higher
Warnings and Safety Notes