Batteries for Boats – Strong Performance for Your Onboard Electrical System

Johnson Controls batteries for mobile power supply provide boats, sailing yachts and motor yachts with energy in a safe and reliable manner: as lighting batteries to supply the onboard electrical system, as power transmission batteries for an electrical outboard engine on smaller sailing yachts, or as an engine for electrical boats.

We also produce starting and deep-cycle batteries for marine and recreational vehicle use. These batteries are specially designed to combat the unique rigors of marine and RV applications. Deep-cycle batteries are used to power trolling motors, lights in a camper or stereos in a van, and are designed differently than the battery you use to start your car.

If you use your boat only on a seasonal basis, our batteries for mobile power supply remain ready for use even during the winter thanks to their low level of self-discharge. As long as they're fully charged beforehand, you can simply take the batteries out of use for up to six months.

For safety reasons, you shouldn't use the batteries supplying the onboard electrical system to start an outboard engine or an in-built machine, but always a separate starter battery.

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