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Self-discharge test of lithium battery
Aug 24, 2017

Generally, 24-hour self-discharge is used to quickly test its charge holding capacity, and the battery is discharged to 3.0V, constant current voltage 1C charge to 4.2V, cut-off current: 10mA, 15 minutes after use, to 1C discharge to 3.0V to measure its discharge capacity C1, and then the battery constant current voltage 1C charging to 4.2V, cut-off current 10mA, use 24 hours after the test 1C capacity C2, c2/c1*100% should be greater than 99%.

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