A powerful 18650 battery, optimized for use with UltrAspire lights.
- Low amperage output for UltrAspire Lumen lights
- At least 500 cycles can be expected from a properly maintained battery
- Charge times: about 4-6 hours in an UltrAspire light, 2-3 hours in your charger
- Over-charge, discharge and short circuit protection
