Petzl ACCU Rechargeable Battery
Here's what other sites are saying:
The Petzl Core USB Charger kit lets you charge your Petzl Core battery (sold separately) in your car or at home.
The Petzl Accu Tikka R Rechargeable Battery is a replacement rechargeable battery for Petzl Tikka R+ and RXP headlamps.
- Mountain Gear
Made to charge the Petzl TIKKA R+ and RXP models in a quick charge time of 3 hours. 12 V USB car charger.
- Rocky Mountain Trail
It's never a bad idea to bring a spare Petzl Accu Tikka R Rechargeable Lithium Battery for your Tikka RXP or R+ headlamps. Sure the headlamp already comes with one, but it's better to have a spare, especially one you can recharge.