rechargable

This 3 step lamp is pre-set to three levels of brightness which can be controlled by a regular light switch ||Battery – 3.7v 1.2Ah sealed lithium-ion rechargeable |Battery charge time 8 – 10 hours |Battery life – At 100% brightness up to 2h00| At 50% brightness up to 4h00 | At 25% brightness up to 7h00 ||The light source of this lamp is not replaceable|When the light source reaches its end of life the whole lamp shoud be replaced or the light source should only be replaced by the manufacturer