Lifepo4 Battery factory About Us Hong Kong Mayor Changshunke Co., Ltd. was established in 2019, with advanced research and development technology, skilled staff and excellent sales team at home and abroad. In 2020, it was certified by ISO9001 and ISO14001, and in October 2021, it was recognized as a national high-tech. Products have passed CE, FCC, ROHS, UL, CB, Etx and other certifications. We mainly produce high quality, deep cycle lithium lithium battery, such as 18650 battery, 18650 lithium ion battery, 18650 lifepo4 battery, 3.7v battery, rechargeable 18650 battery, 3.2v lifepo4 battery, battery pack, fat battery, car battery, solar cell; Widely used in military engineering, medical equipment, communications, security, transportation, finance, mining, logistics, storage management, consumer electronics, electric vehicles and other fields. Our slogan: Quality is life, service is life. 聽聽 FAQ 1. Do you test all your goods before delivery? Our goods have been subjected to multiple rigorous tests before shipment. 聽 2. Can you produce the order with the customer鈥檚 brand? Of course, OEM&ODM service is warmly provided. 聽 3. What is your term of payment? Accepted Payment Type: T/T, L/C, D/P, D/A, Credit Card, Western Union, Alibaba.com Pay and so on. 聽 4. The battery is so heavy, will it damaged easily on the road? This is also a matter of great concern to us. After long-term improvement and verification, our packaging is now very safe and reliable. When you open the package, you will definitely feel our sincerity. 聽Lifepo4 Battery factory website:http://www.stag-power.com/lifepo4-battery/