Solar Home Lighting System Portable UPS with in-built battery lamp with solar controller. Ultimate dc power based solution to Light up any two rooms and also charge your mobile Phone. Backup time of both bulbs together upto 6 hours. Solar panel compatible Included To Charge the portable power unwind the 220v AC charger given along, plug one end of the wire in the battery charging jack (DC-16V) ON THE Unit then plug the other end of the charger in any standard 220v AC power socket, turn the power it will charge the portable power.