This second-generation rechargeable battery brings even more juice for your Petzl® Ultra headlamp. Pick one up as a replacement, or as a spare for quick change-outs. The Accu 4 Ultra weighs a bit more than the Accu 2 Ultra, but is the battery of choice for long night missions.
- Works with Petzl Ultra and Duo S Headlamps.
- 5200mAh capacity.
- Lithium ion chemistry offers greater capacity for reduced weight, and performs well at low temperatures.
- Quick charges in 5 hours.
- Lasts for approximately 500 charges.
- IP 67 watertightness stands up to endless rain and even quick dunks.