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The Monster Marine Lithium 12V 50Ah Hyena Battery is the ultimate lightweight and portable power solution for 12V electronics, kayaks, trolling motors, and outdoor power needs. Weighing just 11 lbs, this battery reduces weight by 70%, saves space, and offers unmatched performance. Built with Lithium Iron Phosphate (LiFePO4) technology, it delivers twice the power, lasts 4 times longer, and is a fraction of the weight of traditional lead-acid batteries. Featuring Bluetooth monitoring via an iOS and Android app, it’s easy to track battery performance. Installation is simple and plug-and-play, with the capability to wire up to 4 batteries in series for 24V, 36V, or 48V systems. Compatible with top AGM chargers, it’s perfect for all your outdoor adventures.
SPECIFICATIONS
WARRANTY
WEIGHT
11.5 lbs
SIZE
7.5″ (L) x 5” (W) x 6.5” (H)
STORAGE CAPACITY
50 ampere hours (Ah). Monster Marine Lithium batteries deliver reliable, consistent power throughout the full 50Ah 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
640 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
50A max continuous discharge. The flat discharge voltage curve provides a 75% bigger capacity then a SLA 50Ah battery.
CHARGE
50a 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 50Ah Hyena Battery delivers lightweight, long-lasting power with Bluetooth monitoring and LiFePO4 technology, ideal for trolling motors and 12V applications.
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