The Monster Marine Lithium 12v 344Ah Bluetooth battery delivers 4,403 watt-hours in a package that weighs 61 pounds. Built with Grade A LiFePO4 cells and rated for over 4,000 charge cycles, this battery is designed for trolling motors, RVs, solar systems, and golf carts where you need reliable power without the weight and maintenance of traditional lead-acid.
SPECIFICATIONS
WARRANTY
See manufacturer warranty
WEIGHT
61 lbs (27.6 Kg)
SIZE
L 13.5 in (343mm) x W 7.25 in (184mm) x H 9.75 in (247mm)
STORAGE CAPACITY
344Ah at 12.8V nominal. LiFePO4 chemistry maintains a flat voltage curve through discharge, meaning you get usable power at consistent voltage until the battery is nearly empty, unlike SLA batteries that drop voltage as they drain.
VOLTAGE
12.8V nominal
ENERGY
4,403 Watt-hours (Wh)
TERMINALS
F12 terminals (post that screw in)
LIFECYCLES (BATTERY LIFESPAN)
4,000+ charge cycles
OPERATING TEMPERATURE
Not specified by manufacturer
DISCHARGE
250A continuous max
CHARGE
14.6V charge voltage, 150A max recommended charge current
INCLUDES ACTIVE BMS PROTECTION
Advanced BMS system included
Bluetooth Capable
Yes
Experience the Monster Marine Lithium Advantage
The MML-12344B delivers 344Ah of reliable power at 61 pounds, a fraction of what an equivalent lead-acid setup would weigh. Compatible with AGM-capable chargers from Minn Kota, Dual Pro, Noco, and others.
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