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Model #BM1S

1 Amp Battery Charger/Maintainer

The Stanley BM1S 1 Amp Battery Charger/Maintainer is designed to maintain a 12-Volt battery charge in stored vehicles, including RVs, specialty vehicles, antique and classic cars, marine deep cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, personal watercraft, and more. Use one of the two included connections (battery clamps or O-rings) to charge batteries, then keep them topped off once fully charged. Charging automatically stops when the battery is fully charged or topped off, switching to float mode monitoring to maintain the charge. The Stanley BM1S battery charger features an integrated reverse polarity alarm and circuit protection, preventing overcharging or short circuits. It comes with a one-year manufacturer warranty.

  • 1 amp high-frequency battery charger/maintainer compatible with all AGM, GEL, and WET automotive/marine batteries 

  • Impact-resistant polymer housing sealed from dust and oil resistant 

  • Comes with two ways to charge including terminal O-rings and battery clamps

  • Fully automatic smart battery charger and battery maintainer 

  • Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring 

  • Built-in circuit protection guards against overcharging, reverse polarity, or short-circuiting

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