ITEM NAME:2S 3A Li-ion Lithium Battery 7.4v 8.4V 18650 Charger Protection Board Moudl E8C7 2S 3A Li-ion Lithium Battery 7.4v 8.4V 18650 Charger Protection Board Moudl E8C7 100% brand new and high quality High-accuracy voltage detection circuit;Terminal of the charger using high voltage device; Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit); MOS transistor can control the battery charge and discharge; Low standby current consumption. Over charge voltage:4.25-4.35v+/-0.05v Over dishcarge voltage: 2.3-3.0v+/-0.05v Max continuous current:3A Max peak current:5A Working temperature:-40---+50 Storage Temperature:-40-- +80 Small current:less than 3uA Life cycle :more than 50000hours Resistance:Less than 45m Short cut protection :Protectable,charge can repair Size: 3.6*0.7cm/1.42 x 0.28 inch Quantity:1Pc Package includes:1 x Li-ion Lithium Battery Charger Protection Board Moudle (no retail package) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.