Monster Marine Lithium 12V 165AH Deep Cycle Battery

Introducing the Monster Marine Lithium 12V 165Ah Phoenix Battery, a Bluetooth-enabled deep cycle lithium battery built in a Group 31 case. Designed for versatility, it can be used in series up to 48V, making it perfect for 24V and 36V trolling motors or as a standalone electronics battery. With 165Ah of capacity, this battery delivers exceptional performance for extended use. Compatible with AGM chargers like Minn Kota, Dual Pro, and Noco, it’s the ultimate power solution for marine applications.

SPECIFICATIONS

WARRANTY

Monstruous 15 YEAR WARRANTY 

WEIGHT

37lbs

SIZE

13″ (L) x 6.77” (W) x 8.66” (H)
Group 31 equivalent

STORAGE CAPACITY

165 ampere hours (Ah). Monster Marine Lithium batteries deliver reliable, consistent power throughout the full 165Ah 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

12.8V 

ENERGY

2112 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, 350 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 165Ah Phoenix Battery offers Bluetooth-enabled, high-capacity power for trolling motors and electronics, built in a Group 31 case.