18650 lithium battery conventional chemical performance parameters (electrical performance) requirements
(1) Appearance structure, visual inspection, scratch, deformation, stain, electrolyte leakage.
(2) Standard Test Bill: If there is no special requirements, it should be carried out at 20 ± 5 ° C (temperature), 65 ± 20% (humidity). The accuracy level of the current table and the voltage meter used in the test is ≤0.5
(3) Standard charging
It refers to the charging of the constant pressure 4.2V to the constant pressure 4.2V by charging of 0.5TMA current to a single cell voltage of 4.2 V, turned to constant pressure 4.2V, and the charging current is less than 20 mA to stop charging.
Huizhong Valve Control Sealed Lead Acid Battery The voltage of 2V, 4V, 6V, 12V, 24V, 48V, 1.2V, 3V, 3.2V, 3.6V, 3.7V, 11.1V, 12.8V Wait
(4) Quick charging
After 20 ± 5 ° C, 65 ± 5% RH environments, after 1500 mA current flow constant flow to the monomer battery voltage 4.2V, turn to constant pressure 4.2V charging, to the charging current of less than 20 mA, stop charging.
(5) Rated capacity
Refers to 20 ± 5 ° C, 65 ± 5% H environment, the charging front battery is discharged from 0.5 mA constant current to the termination voltage 2.75V; the standard is charged for 15 minutes; discharged at 0.2TMA to 2.75V. Discharge capacity. Require discharge capacity: ≥ 100% C5mAh.
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Shenzhen Geerady New Energy Co., Ltd NO.7888, SHENZHEN, CHINA