The Monster Marine Lithium 36V 40Ah Battery is a lightweight and powerful solution for 36V trolling motors. This single battery replaces three traditional marine gel/acid batteries, saving space and up to 150 lbs. Weighing only 33 lbs, it features Lithium Iron Phosphate (LiFePO4) technology for double the power, 60% less weight, and a 4x longer lifespan. Designed to fit seamlessly into a Group 31 case, it includes Bluetooth functionality for real-time capacity monitoring via an app. Need extra capacity? Wire another battery in parallel for extended runtime. With a simple plug-and-play installation, it’s perfect for effortless upgrades.

SPECIFICATIONS

WARRANTY

WEIGHT

33lbs

SIZE

13″ (L) x 6.77” (W) x 8.66” (H)

STORAGE CAPACITY

40 ampere hours (Ah). Monster Marine Lithium batteries deliver reliable, consistent power throughout the full 40Ah capacity. Unlike traditional SLA batteries, Monster Marine Lithium LiFePO4 batteries feature a flat voltage curve, ensuring steady power output as they discharge. This advanced design provides uniform performance, giving you dependable energy all the way to the last drop.

Bluetooth Capable

Yes

VOLTAGE

38.4V 

ENERGY

1536 Wh

TERMINALS

M8 Bolt

LIFECYCLES (BATTERY LIFESPAN)

Retains up to 80% capacity for 5,000 cycles under recommended conditions—far surpassing the 500 cycles of typical SLA batteries. Monster Marine Lithium batteries deliver exceptional longevity, reducing the cost per use to a fraction of traditional battery options.

OPERATING TEMPERATURE

Built for rugged and extreme conditions, Monster Marine Lithium batteries outperform SLA and other lithium options. With an optimal operating range from -20°F to +140°F and reliable performance down to -20°F, these batteries are designed to thrive in tough environments. Note: For best results, avoid charging below 32°F

DISCHARGE

100A max continuous discharge. The flat discharge voltage curve provides a 75% bigger capacity then a SLA 50Ah battery.

CHARGE

50a max, 43.8v recommended. PLEASE NOTE YOU MUST USE A 36V LITHIUM CHARGER. 

INCLUDES ACTIVE BMS PROTECTION

Equipped with an advanced circuit, this battery ensures cell balancing, low and high voltage cutoff, short circuit protection, and high-temperature protection. These features boost performance and significantly extend the battery's lifespan.

Unlock the Monster Marine Lithium Advantage

The Monster Marine Lithium 36V 40Ah Battery offers lightweight, Bluetooth-enabled power with LiFePO4 technology, replacing three traditional batteries with ease.

USD : 96.59