12V 344Ah Lithium Deep Cycle Battery – Bluetooth | MML-12344B

If you're searching for a powerhouse battery that can keep up with even the most demanding energy needs—look no further. The MML-12344B Mammoth is a 12V 344Ah Lithium Deep Cycle Battery engineered with Grade A LiFePO4 cells, an advanced Battery Management System (BMS), and rugged internal architecture built to handle the harshest environments.

Whether you’re powering a high-draw trolling motor, outfitting a solar storage system, or upgrading your RV or golf cart, the Mammoth delivers reliable, long-lasting energy—cycle after cycle.

Why Choose the MML-12344B?

• Massive Capacity: 344Ah of steady, high-efficiency power

• Longer Lifespan: Over 4,000 charge cycles—up to 10x longer than SLA

• Durable & Safe: Built with a premium LiFePO4 chemistry and advanced BMS

• Bluetooth Monitoring: Track voltage, state of charge, and more from your phone

• Flexible Configuration: Series or parallel ready for custom power setups

Ideal For:

• All 12V Electronics (preferred for voltage stability)

• 12V Trolling Motors

• Minn Kota, Garmin, Lowrance, and Rhodan Motors

• Off-Grid Solar Systems

• Golf Carts (36V & 48V systems supported)

• RV & Camper Power Systems

• Boats with high energy demands

• Electric Vehicles & Mobile Power Stations

System Configurations

• Connect up to 4 in series for 24V, 36V, or 48V

• Connect in parallel for increased capacity—unlimited expandability

• Compatible with AGM-mode chargers including:

  • Minn Kota (Precision & Digital)

  • Dual Pro

  • NOCO

  • Real Pro

  • Pro Sport

Chargers must support AGM charging profiles.

Specification

Weight
61 lbs (27.6Kg).

Size Dimensions
L 13.5 in (343mm) x W 7.25in (184mm) x H 9.75 in (247mm)

Voltage
12.8V

Energy
4,403 Watts (Wh)

Amp-Hours
344Ah

Charge Volts
14.6v

Continuous Amps
150A max

Terminals
F12 terminals (post that screw in).