MJ-880 is NOT compatible other battery packs, helmet mount, headstrap, extension cable, "Y" cable, etc.
The latest MJ-880 uses 2 * CREE XM-L high-brightness LED to produce up to 2200 lumens output. High capacity 6600mAh rechargeable Li-ion battery pack provides long runtime. The light will let you enjoy a perfect outdoor night.
This product was added to our catalog on Friday 23 December, 2011.