
Our in‑house engineering team works closely with clients, adjusting voltage, capacity, size, discharge rate and BMS parameters to match unique product requirements, from prototype validation to large‑volume mass production. Equipped with automated assembly and laser‑welding lines, our plant follows strict quality‑control standards. Product goes through multi‑stage aging and safety testing before shipment, complying with CE, RoHS, UN38.3 and other international certifications.

We offer flexible cell options including 18650 cylindrical, 21700 cylindrical and LiFePO4 cells. Whether you need small‑batch custom samples or bulk orders, we balance stable quality, competitive pricing and reliable lead times. Our multilingual support team provides fast technical replies and complete document support for overseas buyers. We aim to deliver safe, durable custom battery solutions to help global partners gain market advantages.
Dongguan Nailike New Energy Co., Ltd