8
Do not store after discharge, re-charge immediately.
5.3 Charge
5.3.1 Float charge
Charge parameter
Charge voltage: 2.25V/cell(25
℃
)
The maximum charge current: 0.30C
10
Temperature compensation coefficient: -3mV/cell
Total variation range of charge voltage: ±0.02V/cell
Note:
1. All cell/bloc voltages of a battery group have a little difference at the beginning
of use, half year later they become matched.
2. Effect from too high float voltage or too low float voltage as below: Too high for
a long time (overcharge): life shortened too low for a long time (not charge
enough): Cannot meet load and/or make battery voltages inconsistent. The
battery group capacity will drop accordingly and life is shortened.
5.3.2 Cycle use charge
Charge parameter
Charge voltage: 2.40 V/cell(25
℃
)
The maximum charge current: 0.30C
10
Temperature compensation coefficient: -5mV/cell
Total variation range of charge voltage: ±0.02V/cell
Supplementary charge capacity is 110% ~ 130% of discharge capacity,
ambient temperature is below 5
℃
, if do not know how many discharge
capacity, please refer to the following table to supplementary charge:
Table 4 Supplementary charge
Ambient temperature (
℃
)
Charge voltage (V/cell)
Charge time (h)
5
2.31
7
2.46
4
20
2.25
7
2.40
4
35
2.21
7
2.34
4
