Misc Vendor UDW-BAT-KIT-AG Underwater Battery Changeout Kit, Nemo Power Tools, AGNemo Power Tools Underwater Battery Replacement Updgrade Kit This kit upgrades the Nemo Angle Grinders to allow for underwater battery replacements. It is compatible with Li-Ion batteries only. Replace batteries mid-dive up to 164 Feet (50 Meters) Upgrade to the marine connector on the Angle Grinder and your old battery Kits includes: Body Basement assembly with female side marine connector Two male side marine connectors for battery side New complete charger with female side connector Screws, keys, o-rings, and shrink needed for assembly Compatible with Li-Ion batteries only