Package includes: 1*12V 10000mAh battery pack, 1*12V battery charger, 1* cable connector. Battery size: 77*75*44mm (L*W*T),Battery weight about 452g, battery cable length 15cm, 12V charger cable length 1m. Premium battery pack: Build in protection board, prevent battery from over-charge, over-discharge, over-voltage and short-circuit. Each battery pack is build with premium batteries to provide your devices powerful energy. Long using life: this 12V battery pack build with lithium-ion battery, no memory effect, is of over 800 times charge-discharge cycles. After sales service: please feel freely to contact with us for customer support if you have any probelm with the product. Your inquiry will have our prompt reply. KBT 12V 10000mAh Rechargeable Li-ion Battery, Bare Leads Wire Replacement Battery Pack with 12V Charger Compatible for 12V Devices RC Car, Boat, Robot, DIY, LED Light Kit