11.1V 11000mAh Polymer Li-Iontechnology madeof Voltage11.1v (working) Capacity11000mAh One protective circuit board PCB installed with thebattery packthat limits the discharging current of battery pack to 6 Amp. But protect battery from- Over-charging cut-off; 13V - Short circuit and Wrong polarity weight 650g.Dimension190mm x 71mm x 22mm 4" (12mm) long prewired and shrink wrappedRecommended charger:Universal Li-ion / Li-polymer Smart Charger to charge this battery pack. CautionImproper use like overcharging and over discharging can cause explosion and/or fire.User of the battery is required tohave the sufficient Li-polymer charging experience and technical knowledge. Tenergy or All-Battery.com are not responsible for any damage or injury caused by misuse, misunderstanding or abuse of this product.