Power Queen 12.8V 100Ah Trolling Motor LiFePO4 Battery - Long Life

Our review of the Power Queen 12.8V 100Ah low-temp LiFePO4 battery finds it best suited for anglers and off-grid users who need reliable deep-cycle power for trolling motors and marine electronics. The single biggest reason to buy is its combination of a high-capacity 100Ah pack with an upgraded 100A BMS that tolerates short 500A surges and includes a low temperature cut-off, which preserves cell life when charging in cold conditions. For anyone replacing heavy lead-acid batteries or building a portable 12V battery bank, this battery balances runtime, weight, and durability.

Key Features

• Upgraded 100A BMS: The built-in BMS endures higher load currents and can handle a 500A surge for one second, making it suitable for 12V-36V trolling motors with 30-120 lbs thrust.
• Low temperature cut-off: A temperature sensor prevents charging below 32F, protecting cells from cold-weather damage and resuming charge once safe.
• Grade A battery cells: High-quality LiFePO4 cells provide long service life with up to 15000 cycles at moderate depth of discharge, outlasting typical lead-acid options.
• Lightweight and expandable: At about 22 lb, the pack is significantly lighter than equivalent lead-acid batteries and can be configured in banks up to 51.2V 400Ah for larger systems.
• Automatic protection and recovery: The battery automatically recognizes overloads, shuts down when needed, and recovers without manual resets, simplifying field use.

Who It's For

This battery is aimed at anglers running trolling motors and anglers or small-boat users who need dependable power for fish finders, GPS, sonar and other marine electronics. Its low-temperature charging cutoff also makes it attractive for seasonal use where early-morning or late-season cold could otherwise harm cells.

It is not intended as a starter battery for engines or golf carts; buyers needing high-cranking start capacity should look elsewhere. Also, users who require OEM mounting terminals or very thin terminal attachment points should follow the manufacturer guidance about gaskets and clamp installation.

Pros & Cons

Pros

• High-quality LiFePO4 cells and long cycle life deliver far better longevity than lead-acid options.
• The upgraded 100A BMS with 500A 1-second surge capability handles higher loads from trolling motors.
• Low weight improves portability and makes boat installs easier.

Cons

• The battery is an energy storage pack, not designed for engine starting, so it is unsuitable for starter applications.
• Charging is limited below 32F until the BMS allows it, which can delay charging in very cold conditions.

Specifications

Our Verdict

The Power Queen 12.8V 100Ah LiFePO4 battery is a strong value for anglers and small off-grid users who want long life, reliable deep-cycle performance, and lighter weight than lead-acid alternatives. Its upgraded BMS and cold-charge protection add practical durability for marine and seasonal use, making it a sensible investment for those replacing heavy batteries or building expandable 12V systems.

Frequently Asked Questions

Can this battery start a boat engine?
No. This is an energy storage deep-cycle battery and is not recommended for starting engines or golf carts.

Will it charge in cold weather?
The BMS prevents charging below 32F; charging resumes automatically when cell temperature rises above 32F to protect the cells.

Can multiple units be linked for higher voltage?
Yes. Packs can be configured in series/parallel up to 51.2V 400Ah for larger systems, as described by the manufacturer.