【USB CHARGE DESIGN】No need the charger and adapter,fast full charge in about 2 hours,easy to charge with usb cable, just simply plug into USB ports 【HIGH CAPACITY 860mAh】Real capacity 860mAh,no memory effect,durable in use and storage 【DITCH DISPOSABLE BATTERY】Rechargeable usb aa battery with 1000+ cycles , save your big money comparing with the single use batteries 【LED INDICATORS MANAGEMENT】When charging, the red LED will display and will then LED remains on once it is fully charged 【MULTIPLE SAFE PROTECTION】Built-in Integrated safety circuit protects Battery from over discharge/overcharge,when the battery is fully charged, it will automatically stop charging,passed the test of CE, ROSH, 2006/66/EC Specification: Type:Rechargeabel usb 9v battery Votalge:9v Capacity:860mWh Charging Time:2 hours Package Includes:8*batteries and 1* usb type c cable.