Monster Marine Lithium | 36V 65Ah Bluetooth Lithium Trolling Battery

Looking for a powerful yet lightweight solution for your 36V trolling motor? The MML-DLT3660B delivers everything you need—Bluetooth monitoring, exceptional runtime, and a compact form factor that replaces three traditional 12V marine batteries. Weighing just 38 lbs, it slashes your setup’s weight by 150 lbs or more, all while delivering superior efficiency and power.

Housed in a Group 31 case (only half an inch taller than standard), this lithium battery is a direct drop-in replacement for your old SLA batteries. Built with advanced Lithium Iron Phosphate (LiFePO4) technology, it offers twice the power, a longer lifespan, and 4000+ charge cycles—making it a smart, long-term investment.

Need extended capacity? Wire a second unit in parallel (positive to positive, negative to negative) to achieve up to 130Ah total capacity.

Key Features:

• 36V 65Ah capacity

• Bluetooth-enabled: Monitor charge status from your phone

• Replaces (3) 12V lead-acid batteries

• Only 38 lbs—cuts 150+ lbs from your boat

• Drop-in Group 31 case fit

• LiFePO4 chemistry with over 4000+ charge cycles

• Parallel-capable for increased amp-hours

• Plug-and-play installation

Perfect For:

• 36V trolling motors

• Minn Kota, Garmin, Lowrance, Rhodan, and more

• Anglers seeking long runtimes and lightweight power

• Anyone replacing bulky SLA or gel batteries

• Applications needing reliable marine power with smart monitoring