The Monster Marine Lithium 12V 120Ah 1300CCA Battery is the ultimate cranking solution for modern boat engines, meeting and exceeding Mercury's new spec bulletin. Extensively tested on engines like Mercury Pro XS 4-Stroke, Yamaha SHO 4-Stroke, Mercury Verado, and more, this Group 31 lithium battery delivers reliable performance across all brands and types. With 1300 Cold Cranking Amps (CCA) and 120Ah of storage, it’s perfect for cranking your engine and powering electronics. Designed with an advanced Battery Management System (BMS) to handle voltage spikes and high output demands, this lightweight battery weighs just 26 lbs. For additional energy storage, simply add another battery in parallel. Suitable for all boat engines and ideal for serious anglers.

SPECIFICATIONS

WARRANTY

WEIGHT

25lbs

SIZE

13″ (L) x 6.8” (W) x 8.8” (H)
Group 31 equivalent

STORAGE CAPACITY

100 ampere hours (Ah). Monster Marine Lithium batteries deliver reliable, consistent power throughout the full 100Ah 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.

Engine Starting Power

Lithium battery equivalent to 1,300 Cold Cranking Amps (CCA) of lead acid battery engine starting power. Suitable for automotive and other applications. Marine Outboards: Please refer to your manufacturer recommendations.

Bluetooth Capable

Yes

VOLTAGE

12.8V 

ENERGY

1580 Wh

TERMINALS

F12 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

120A max continuous discharge, 1300 A max pulse. The flat discharge voltage curve provides a 75% bigger capacity then a SLA 50Ah battery.

CHARGE

100a max, 14.4V recommended, 15V max Please note: this battery should be charged using a LiFePO4 compatible charger. A SLA charger may work, but will reduce performance and lifespan of the battery.

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 12V 120Ah 1300CCA Battery delivers powerful cranking, lightweight design, and reliable performance, ideal for all boat engines.

USD : 96.59