Power Queen LiFePO4 BatteryPower Queen LiFePO4 BatteryPower Queen LiFePO4 Battery

Power Queen 14.6V 40A LiFePO4 Battery Charger


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  • 【5HRS FAST CHARGE FOR LARGER CAPACITY LIFEPO4 BATTERY】Power Queen 14.6V 40Amp LiFePO4 battery charger is rated at a 40 amp large output current. It adopts the 2-stage constant current/constant voltage (CC/CV) charge technology, which can extend the battery life to a large extent. Our charger enables the automatic full charging of a 12V 200Ah lithium battery in around 5 hours, which is optimal for the larger capacity marine battery & deep cycle battery and can solve power needs easily.

  • 【4 PROTECTION FUNCTIONS & RELIABILITY 】Adopt the advanced circuit design and strict production process according to the IS09001:2008 quality management system, which provides multi-protection from over-temperature, output short-circuits, output over-voltage, and reverse polarity connection. Besides that, it makes the Power Queen lifepo4 battery charger a reliable and high-quality product to ensure secure use during battery charging.

  • 【0V CHARGING MODE FOR DEAD BATTERY】Power Queen 14.6V 40Amp lithium battery charger has an exclusive pre-charge mode that can reset or "wake up" the battery protected by BMS. Simply connect the charger to the battery to initiate a restart which can charge the battery from 0V which can enlarge the battery lifespan.

  • 【INTUITIVE CHARGING STATUS DISPLAY & 4 STEPS EASY OPERATION】 An intuitive LED indicator enables displaying the real value of the battery voltage, charging current, and output capacity while charging. Included detachable wire lugs with ring terminals to make it easy and safe to connect with the battery. Simply install the lug on the battery, it will auto-start to charge the battery and auto-stop when full, no need to worry about the hazards of the battery overcharging.

  • Complete Accessories Are Available in One PackagePower Queen MPPT Charge Controller provides the most comprehensive installing accessories for setting up a solar charge system. It saves you time in searching for the right accessories, allows you to complete the installation when you receive the package and gets ready for the solar power system. 
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14.6V 40A charger

Compatible composition

LiFePO4 battery

Charging Voltage


Charging Current


Max. Input Current



‎14.72 x 7.99 x 7.44 inch


‎6.89 lbs

Operating temperature

-10°C - +40°C

LED indicator

Red: Charging, Green: Fully Charged

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Power Queen 14.6V 40A LiFePO4 Battery Charger