UltrAspire Batteries
Backup power for your Lumens is priceless when you're adventuring through the night. UltrAspire's 18650 (47 grams) and 21700 (69 grams) batteries power the Lumen 850 Duo and the Lumen 800 Solstice, respectively. Both batteries are compatible with the Battery Powerpack, which uses your spare batteries to charge other electronics and doubles as a charger. Designed for low amperage output, providing the ideal amount of power for your 850 Duo or 800 Solstice, UltrAspire's Batteries are a great replacement or addition to your Lumens collection.
- 4-6h charging time in a Lumen lighting unit (2-3h in charger).
- 500 cycle life span.
- Can be used with the Battery Powerpack for backup juice.
