{"product_id":"black-decker-bm3b-fully-automatic-6v-12v-battery-charger-maintainer-1-5a","title":"BLACK+DECKER BM3B Fully Automatic 6V\/12V Battery Charger \u0026 Maintainer | 1.5A","description":"\u003cdiv class=\"description\"\u003e\n  \u003ch2\u003eVersatile, Automatic Battery Care for Off-Season or Everyday Use\u003c\/h2\u003e\n  \u003cp\u003eThe BLACK+DECKER BM3B is a compact, high-frequency charger designed to keep batteries ready when a vehicle sits idle or during routine maintenance. It supports both 6V and 12V systems and works with AGM, GEL, and WET batteries, making it suitable for a wide range of vehicles and equipment. From RVs and boats to antique cars and power sports gear, this charger helps you stay on top of battery health without guesswork. Attach quickly with the included battery clips or O-ring terminals, and switch voltage with a simple toggle for a seamless setup.\u003c\/p\u003e\n  \u003cp\u003eWhether you’re preparing for the next season or keeping a stored battery primed, the BM3B offers a practical, low-maintenance solution. Its compact design fits into tight spaces, while clear indicators guide you through a smooth connection process. The result is a ready-to-use battery that’s less prone to unexpected outages when you need it most.\u003c\/p\u003e\n  \u003ch3\u003eSmart Charging and Float Maintenance\u003c\/h3\u003e\n  \u003cp\u003eCharging automatically stops when the battery is full or topped off, then the unit transitions to float mode to maintain readiness. This approach minimizes unnecessary cycling while helping preserve capacity over time. It’s a thoughtful balance between fast top-ups and long-term battery health.\u003c\/p\u003e\n  \u003ch3\u003eSafety, Reliability, and Convenience\u003c\/h3\u003e\n  \u003cp\u003eA built-in circuit protection system guards against overcharging, reverse polarity, and short circuits. The BM3B is ETL certified for performance and safety, offering dependable operation in daily use. A built-in mounting bracket adds flexibility in where you install the unit, keeping cables organized and out of the way.\u003c\/p\u003e\n  \u003ch3\u003eFlexible Setup for a Variety of Batteries\u003c\/h3\u003e\n  \u003cp\u003eSwitch between 6V and 12V as needed, ensuring compatibility with a range of battery chemistries. Connection options include battery clips or O-ring terminals for dependable, low-effort setup that fits your preferred workflow.\u003c\/p\u003e\n  \u003ch3\u003eIdeal for a Broad Range of Applications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRVs, boats, and marine deep cycle batteries\u003c\/li\u003e\n    \u003cli\u003eAntique and classic vehicles needing periodic top-offs\u003c\/li\u003e\n    \u003cli\u003eMotorcycles, lawn mowers, ATVs, and snowmobiles\u003c\/li\u003e\n    \u003cli\u003ePersonal watercraft and other stored equipment\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cul\u003e\n    \u003cli\u003eCharges and maintains 6V\/12V AGM, GEL, and WET batteries\u003c\/li\u003e\n    \u003cli\u003eClips or O-ring terminals simplify hook-up\u003c\/li\u003e\n    \u003cli\u003eAutomatic stop with float mode for ongoing readiness\u003c\/li\u003e\n    \u003cli\u003eProtects against overcharging, reverse polarity, short circuits\u003c\/li\u003e\n    \u003cli\u003eMounting bracket enables tidy, accessible positioning\u003c\/li\u003e\n    \u003cli\u003eETL certified for safety and performance\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eWith the BM3B, you can keep batteries healthy and ready without overnight sessions or guesswork. It’s a practical, low-maintenance companion for seasonal storage and routine top-offs alike.\u003c\/p\u003e\n  \u003cp\u003eNote: Always follow battery manufacturer guidelines and safe electrical practices during installation and operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What batteries does the BLACK+DECKER BM3B support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It charges and maintains 6V and 12V AGM, GEL, and WET batteries; suitable for RVs, motorcycles, boats, and more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the BM3B safe to use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It has protection against overcharging, reverse polarity, and short circuits; ETL certified for safety and performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BLACK+DECKER","offers":[{"title":"Default Title","offer_id":42470811795541,"sku":"B0051D3MP6","price":45.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/black-decker-bm3b-charger-cable-clamps.jpg?v=1778148955","url":"https:\/\/plentytorque.co.uk\/products\/black-decker-bm3b-fully-automatic-6v-12v-battery-charger-maintainer-1-5a","provider":"PlentyTorque","version":"1.0","type":"link"}