4 Pcs 3.7V 3000mAh 18650 Lithium Battery USB Rechargeable Flashlight Batteries With Protected Box

Specifications Model18650USB 3 7 3000ChemistryLi ionNominalCapacity3000mAhMinimum Capacity3000mAhNominal Voltage3 6VCharge Voltage4 2VInternal resistance m 80Max Discharge Current5ACharging current by charger1A recommended 2A maximum Charging current by on board USB port1AWarranty12 monthsLED indicatorCharge red Charge complete greenBatterySize18 6x 68 5Package Size90x76x25Weight220gFeatures Micro USB charging port with LED to indicate if battery is done charging Protection circuit built in the anode Multiple protections with Pressure Relief Vent Short circuit protection over charge protection over discharge protection 500 charge cycles A properly maintained battery is designed to retain up to 75 of its original capacity at 500 full charge and discharge cycles Package Includes 4 x USB battery1 x Storage box