Powerful 14.4 V 10000 mAh Nimh battery pack - Made with12 x D 10000mAh TENERGY high capacity Nimh Batteries- Delivers 18 - 20 hours of run time with typical emergence light (500mA discahrge current)- Also can be a DC 14.4V power back up- Quick charge, long life cycle (up to 500 times) and rapid charge - You can use our 12V-16.8V smart charger to charger this battery pack.- Over 80% off the price you would pay at retial store Technical Specifications- Voltage14.4V- BatteryNiMH- Connector Type16 AWG bare leads and 20AWG Bare Leads- Dimensions60X192X66mm- Weight:4.15 Lbs Oz.