Description 10watts LED emergency batten from HAVELLS, with built-in battery. It is built with charge and protection circuit to control charging and also provides overcharge protection. Can be used like a normal led tube light when the electric power is available, and also during power failure. Provides power backup for approx 3 hours. 10watts provides 1000lumens output. It’s available in cool-white colour (6000k). Comes with 1-year warranty.