Bigblue EOS23 Canister Backmount with Batteries & Charger (Blue)

Ideal for expedition divers, this EOS23 Canister Backmount with Batteries and Charger from Bigblue provides reliable power for heating systems and lighting gear, including the optional TL4000P and VTL7000P MAX light heads. Waterproof to depths of 492', this battery system can also be used to power heated undersuits, gloves, and vests, as well as compatible lighting gear. The canister has a single connection plug-in port and includes three rechargeable batteries. Made from anodized aluminum to resist corrosion, it has a mechanical on/off switch for easy operation when you need it.