Met style Plastic Cool White NANO LED Rechargeable Torch, Capacity: Up to 4999 mAh, Battery Type: Lithium Ion Emergency 60 hrs Torch Emergency Light  (Black,Red)

bettry maintenance led-acid betteries require recharging ona regular basis to maintain a full charge and to ensure good battery life all lead acid batteries suffer fromself discharge overtime and more rapidly when they are stored at higher temperature.when thanano+is not in use tha battery should be recharged at-lestevery 60day all batterise must be recharged as soon as possible after each use lfbattery remains in a discharged state, battery life well be reduced for full charge charge it with solar panel at least 8 to 10 peak sun hours