Rechargable battery pack, 12v, 80 amp hour, lithium polymer, operating temperature -20 to +60 deg C, with short circuit, over charge and discharge protection, self dicharge rate 0.5% per day. Fitted in IP65 Peli case. With charge indicator. Supplied with smart charger. Weight: 10.7kg. Dimensions: 361 x 289 x 165mm ...