Replacement, or spare battery for Hydra 2500\3500. This battery will also work with any of our older models that used 3×18650 batteries wrapped to a single cell.

Replacement, or spare battery for Hydra 5000, and KR-S02 strobe. This battery will also work with any of our older models that used 4×18650 batteries wrapped to a single cell.

Direct OEM replacement battery for the NR-2000 dive torch. Use OEM batteries for best, and more reliable performance.