September campaign – For the EU

€47 discount code automatically at checkout, now only costs €709.99 【30X cycles & 5X lifespan】Power Queen 12.8V 240Ah LiFePO4 battery has 4 pieces prismatic Class A LiFePO4 cells inside, supports...

5% additional discount at checkout, then only €1329.99. 【Larger 5248Wh energy & 3200W load power】This 12.8V Power Queen LiFePO4 battery has a larger 410Ah capacity and offers a total energy...

3% additional discount at checkout, then only €611.09. 13× cycles and 1/4 cost: Power Queen 25.6V 100Ah costs only about 1/4 as much as 4 * 12V 100Ah lead-acid batteries per...

5% additional discount at checkout, then only €1443.99. [2x larger capacity & power supply] Power Queen 25.6V 200Ah LiFePO4 battery has a sufficient amount of energy of 5120Wh compared to...

【1 LiFePO4 battery = 2 lead-acid batteries】 Power Queen 12.8V OTCB Smart LiFePO4 100Ah battery offers the same usable capacity as 2*12V100Ah lead-acid batteries and supports series and Parallel circuits...

【12/24V MPPT with 99% tracking efficiency】Considering the high tracking efficiency of the innovation MPPT technology of up to 99% and the peak conversion efficiency of 98%, the Power Queen MPPT...

Special design for lithium battery: Power Queen 14.6V 10A LiFePO4 battery charger is specially designed for LiFePO4 battery 12V and implements the special 2-stage constant current/constant voltage (CC/CV) charging algorithm...

[ 5 HOURS QUICK CHARGE FOR LARGER CAPACITY LIFEPO4 BATTERY] POWER QUEEN 14.6V 40 Amp LiFePO4 battery charger is designed for 40 Amp large output current and adopts the 2-stage...