Petzl ACCU TIKKA R+ RXP Headlamp AAA battery holder E92300 Light output corresponds to 60% of the output provided with the Lithium-Ion rechargeable battery Power: 3 AAA/LR3 batteries (INCLUDED) Industrial Grade AAA for long term storage backup Battery Compatibility: Alkaline, rechargeable Ni-MH, and lithium batteries Weight with batteries: 45g Constant lighting mode only