Power Queen LiFePO4 BatteryPower Queen LiFePO4 BatteryPower Queen LiFePO4 Battery

【Like New】Power Queen 12V 300Ah LiFePO4 Like New Battery, Built-in 200A BMS


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Free shipping to the US mainland.
    • Pre-purchase instructions: The like-new batteries were purchased by customers who mistakenly bought the wrong capacity or incompatible batteries for their applications. We assure you that our batteries are thoroughly checked and tested before delivery ( only a few have minor scratches on the surface). Our like-new batteries come with a 4-year warranty, while our used-very good batteries have a 3-year warranty. 
    • [3.84kWh USABLE ENERGY & LONGER PERFORMANCE] A full charge on Power Queen 12V 300Ah LiFePO4 battery can support 3.84kWh energy for 90% appliances, like running a 200W heater mat nonstop for 19 hours in winter. This lithium battery has a great 300Ah capacity with a low self-discharge rate, the depth of discharge of our battery is about 100%, which provides 40% more usable power than the 300Ah lead-acid battery.
    • [200A BMS WITH 2560W MAX. LOAD POWER] Power Queen 12V 300Ah LiFePO4 battery has a built-in 200A BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, and short circuits. Our battery has 4 cells inside, the automotive grade cells are high-density and stable, it’s safe when used in our daily life and friendly for the environment. And 2.56kW Max. Load Power would allow us to connect more common applications simultaneously to enjoy a more convenient life.
    • [2X Storage Capacity] Compared with lead-acid batteries, which can only discharge 60% of energy, our 12V 300Ah LiFePO4 battery has more than double the storage capacity for the same footprint.
    • [Max. 61.44kWh Energy Expansion] Power Queen 12V 300Ah batteries support a max 4S4P connection to reach up to 61.44kWh usable energy, which could be widely used for home solar systems, emergency backup power systems, and RV trips.
    • [ Fast Shipping] We provide free shipping for our Lithium Battery. Customers can receive the battery within 2~5 workdays due to our local warehouses in CA, TX, GA, and so on.
    • Attention Please:  This battery is NOT suitable for use as a starter battery or golf cart battery, for more info please consult Power Queen.
    ATTENTION: ONLY 1 left in stock.
    Out of stock

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    Rated Voltage


    Charging Voltage


    Rated Capacity


    Usable Capacity




    Max. Continuous Load Power


    Max. Continuous Discharge Current


    Peak Discharge Current (5 seconds)





    ‎20.47 x 10.59 x 8.66 inch


    63.92 lbs

    Charging Temperature


    Discharge Temperature


    Storage Temperature


    Number of Cycles

    4000+cycles at 100% DOD, 8000+cycles at 80% DOD, 15000+cycles at 60% DOD

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    【Like New】Power Queen 12V 300Ah LiFePO4 Like New Battery, Built-in 200A BMS