For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

【5HRS FAST CHARGE FOR LARGER CAPACITY LIFEPO4 BATTERY】POWER QUEEN 14.6V 40Amp LiFePO4 battery charger is rated at 40 amp large output current, and adopts the 2-stage constant current/constant voltage (CC/CV) charge technology, it can extend the battery lifetime to a large extent. Our charger enables automatically to fully charge a 200Ah lithium battery in around 5hrs, 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 IS090012008 quality management system, which provides multi-protection from over-temperature, output short-circuit, output over-voltage and reverse polarity connection. Besides that, it makes the Power Queen lifepo4 battery charger to become 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 which 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 it can enlarger the battery lifespan.

【INTUITIVE CHARGING STATUS DISPLAY & 4 STEPS EASY OPERATION】 With 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.

【PROFESSIONAL WARRANTY SERVICE & 24 HOURS TIMELY SERVICE】 Power Queen is committed to providing higher quality products and better service to our customers all the time, so we promise a 2-year warranty and quick response customer support within 24 hours.