21700 Sofirn 3.7v rechargeable Power battery-4000mAhZ3

nominal capacity:4000mah minimum capacity:3900mah nominal voltage:6.35v charge voltage:4.2v±0.03v discharge cut-off voltage:2.75v weight:69±5g dimension: height:70.7mm diameter:21.9mm cycle life:1000times rechargeable:yes Package: 21700-4000mAh:1pcs of 21700-4000mah battery

YYY-5118

YYY-5118

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