Black and Decker Bm3b, 6v and 12v Battery Charger/Maintainer
The Black & Decker BM3B is a very budget-friendly battery charger and maintainer. Although this unit is not well-suited to heavy-duty use, it’s an affordable and easy to use option to have on hand. The BM3B is a bit flimsier than more expensive models and doesn't have as much versatility, but for basic purposes, most users are perfectly satisfied.
Connection to your vehicle's battery is easy using the included attachments, while featuring built-in protection against reverse hook-up and short circuiting. This battery charger/maintainer also protects against overcharging and will automatically switch to float mode as needed. Suitable for both six and twelve volt batteries, this is an affordable option for basic charging needs.
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