Petzl R1 Headlamp

Snowcountry

The Petzl R1 Lithium-Ion rechargeable battery provides excellent lighting performance for the Petzl NAO® RL headlamp, even at low temperatures. It recharges with a USB type C to micro USB cable and has a five-level gauge for precise monitoring of the battery charge level. It is equipped with red lighting for visibility from behind and can be used as a spare battery to charge other electronic devices. 

Amazon

High-performance 3200 mAh lithium-ion rechargeable battery with universal fit Features USB-C charging port and 5-level battery indicator for precise monitoring Includes integrated red light with two power modes for enhanced visibility Maintains excellent performance even in cold temperatures