When using the Petzl NAO® RL headlamp, you seek optimal performance, even in extreme conditions. This is where the high-quality R1 Accu Nao RL R1 Lithium-Ion battery comes into play. This battery ensures exceptional performance, even at low temperatures, to power your NAO® RL lamp. With its micro USB Type-C charging port, recharging the battery is quick and convenient. You can easily recharge it via a computer, power bank, or any compatible device, allowing you to always be ready for your nighttime adventures. The R1 Lithium-Ion battery features a five-level gauge that provides a precise indication of the remaining charge. This way, you'll always know how much time you have left before needing to recharge, avoiding any unexpected interruptions to your lighting. This rechargeable battery also offers an additional clever feature: a red light at the back. This makes you visible in the dark, ensuring your safety when moving through dark environments. 3200 mAh Lithium-Ion rechargeable battery for Petzl NAO® RL headlamp Simple recharge via the micro USB Type-C port Five-level gauge indicating the battery level precisely Red light, steady or flashing, for rear visibility at night. An independent button allows quick activation or deactivation Can be used as a backup battery to recharge other electronic devices Performs well at low temperatures Technology: Lithium-Ion Capacity: 3200 mAh Number of charge/discharge cycles: 300 Charging time: 3h30 Waterproof: IPX7 (waterproof up to -1 meter for 30 minutes) Certification: CE Weight: 80g Petzl Accu Nao Rl R1 Rechageable Battery - Headlamp