Built for marine use, Power Queen LiFePO4 batteries deliver dependable, lightweight power for boats of all sizes. With long cycle life, high energy density, and built-in protection, they’re perfect for trolling motors, sonar, and onboard equipment, even in saltwater.
12 products
Why Choose Power Queen?
10-year Lifespan
Delivers over 4000+ deep cycles (10-year lifespan), 8 times the lifespan of traditional lead-acid batteries, saving you time and replacement costs.
5-Year Warranty
Backed by a full 5-year warranty for quality and performance. Get reliable coverage and long-term assurance with every Power Queen battery.
Smart BMS Technology
Advanced battery management system protects against overcharge, short-circuit, and low-temperature damage,built for safety in every season.
Eco-Friendly & Lightweight
Super lighter than lead-acid batteries and made from recyclable materials, portable power with a cleaner footprint.
100% Safe & Reliable
Built with EV-grade LiFePO4 cells and tested for tough environments, stable, safety, and ultra dependable.





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Technical Benefits & FAQs
For sure. The casing is IP65 rated for waterproof and dustproof protection, resistant to moisture and salt spray, making it more suitable for harsh environments than lead-acid batteries.
A 12V 100Ah LiFePO4 battery can run sonar, navigation lights, and a stereo for over 10 hours. The power delivery is steady.
Definitely. No gas, no leaks, no thermal runaway like older chemistries. Plus, Power Queen batteries have built-in protections for various issues, including overcharging, over-discharge, overcurrent, high temperature, and short circuit.
You'll be surprised how compact these are. They are small size and large capacity, making them suitable for most small boats, and only 1/3 the weight of an old-school battery(Vs. same-voltage &capacity lead-acid batteries).
Power Queen LiFePO4 batteries feature a durable design and a sturdy ABS case, making them well-suited for marine environments. They can handle bumps, motion, and wave impacts during typical boating use. For added protection, we recommend securing the battery firmly in a dry, well-ventilated compartment.