North Professional Lifepo4 battery Co.,Ltd is professional company which produce Lifepo4 battery in China. Our head office is locaed in Shandong Province and our Lifepo4 battery is popular with international market. Our lifepo4 battery is suitable for E-bike, EV, Scooter, E-bus and so on.We have Cylindrical single cell and Square single cell, and less than 10AH, we use Cylindrical single cell. More than 10AH, we use Square single cell. Our lifepo4 battery have a bright future.We can provide better price, best quality and service for you. So welcome to contact us if you need lifepo4 battery.