Experience unrivalled long lasting battery power with Venom's high capacity rechargeable AAA and AA batteries. Designed and engineered in the UK, Venom Battery Packs deliver superior charge disbursement that keeps your devices powered for longer between charges. High capacity rechargeable batteries offering 2100mAh (AA) and 800mAh (AAA) charge capacity. Fast recharge and can withstand in excess of 500 full recharges per each battery lifetime. Designed for use with Venom Charging Dock but also compatible with other 3rd party chargers Available in multiple pack sizes to suit your requirements. Use in conjunction with our 8-Way Intelligent Charging Dock that can charge any combination of AA and AAA batteries up to a maximum of 8 cells at a time. Simply insert your batteries and connect to any USB output or mains supply and power will be restored to your batteries in no time at all. Fast efficient charging for up to 8 x AA or 8 x AAA batteries at a time. Universal functionality, will charge all brands of rechargeable AA or AAA batteries. Includes USB charging cable to connect to any USB output or mains outlet.