This is a proprietary lithium-ion rechargeable protected-cell battery. Its capacity is 4000 mAh.

This battery was designed to be used in and recharged with our  only.

It will not work with any 26650 lights or the previous generation MMU-X3.

Warranty for Consumables: Since the battery is considered a "consumable" product, its warranty is 12 months. Please see our  for information about warranties.