This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long backpacking trip.

– Dual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibility
– 350 Lumen max output
– Red LED night vision has dimming and strobe modes and is quickly activated with dual-button interface
– Settings include dimming, strobe, red night-vision and lock mode
– Multifaceted optical lens design
– IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate; it should be completely dried out after use in wet conditions
– Integrated battery meter display shows % of power remaining
– Digital lock mode feature safeguards against accidental use when stored in a pack or pocket