4 Pcs 3.7V 2600mAh 18650 Lithium Battery USB Rechargeable Flashlight Batteries With Protected Box

Specifications Model18650USB 3 7 2600ChemistryLi ionNominal Capacity2600mAh Minimum Capacity2500mAhNominal Voltage3 6VCharge Voltage4 2VInternal resistance m 80Max Discharge Current2 5ACharging current by charger1A recommended 2A maximum Charging current by on board USB port1AWarranty12 monthsBattery Size18 6 x 68 5mm 0 73 x 2 70inchPackage Size90 x 76 x 25 3 54 x 2 99 x 0 98inchWeight220gFeatures Micro USB charging port with LED toindicate 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 to75 of its original capacity at 500 full charge and discharge cycles Package Includes 4 x USB barrtery1 x Storage box