1.Appearance
Visual check
Clean, unscratched and clearly labeled
2.Open-circuit voltage
Measure by volt-meter with precision of 0.01V
more 3.65V
3.Operating voltage
Measure by volt-meter with precision of 0.01V, connecting an impedance of 15ohms in series, Reaching the target voltage in 5 seconds.
more 3.30V
4.Nominal discharge
16ohms ,20+/-2, Constant discharge to 2.0V.
more 4.8Ah
5.Rapid discharge
6.2ohms,20+/-2, Constant discharge to 2.0V.
more 4.5Ah
7. Discharge at high temperature
Put battery in constant ambient temperature of 55+/-2 for 16 hours, discharge at33ohms to 2.0V/cell.
more 5.2Ah
8.Discharge at low temperature
Put battery in constant ambient temperature of -40+/-2 for 16 hours, discharge at 33ohms to 2.0V/cell
more 2.4Ah
9.Charge
Prohibited
Prohibited
10.Over-discharge
Prohibited
Prohibited
11.Self discharge
Store the batteries at constant temperature of 20+/-5, Measure the nominal capacity yearly for 10 years.
less 1%
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