ANCEL BM300 12V Battery Monitor, Bluetooth 4.0 Automotive Voltmeter with Charging, Cranking System Test & Alarm - Compatible for Solar Power Systems, RVs, Motorcycles, Boats, Cars, and Trucks

• ESSENTIAL TOOL FOR YOUR GARAGE: Keep your car battery in top condition and protect it from the effects of disuse and harsh weather with the BM300. This smart battery monitor tracks...
• SEAMLESS MONITORING VIA BLUETOOTH: No more staying close to the monitor! This compact 3.2-ounce battery monitor allows you to easily track real-time battery data from inside your...
• EASY TO USE: Install once and permanently attach to your battery, saving the hassle of repetitive installation. Access battery health data directly from your phone and enjoy...

$39.99 −20% $31.98

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Promotion availability and prices can change at any time on Amazon. Information included on this page is accurate as of 2026-02-19 at 18:54 CST.

Save 30% on the current price with promo code 30M4R82E, expires 2/28 while supplies last.

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