-Powered by a 4.8 Amp 14.8 Volt Li-Ion Battery providing 3 hours of burntime. -Each battery contains electronics to ensure proper charge, discharge and short circuit protection. -New Dry Lid prevents water intrusion into canister due to cord or switch boot damage because it is completely sealed. -21 Watt HID is Focusable with 1500 lumen output at 6500 kelvin. -Dry weight of 4 lbs.(1.8 kg.) 1.5 lbs. (700 g.) negative. -Canister is 8.5"(21.5cm) height and 2.5"(6.3cm) Dia. -Li-Ion Charger is universal input 90 to 240 volt, 50 to 60 hz. -European and UK input cords available.