As an outstanding lithium-ion battery manufacturer, Sunpower New Energy offers a wide selection of high rate cylindrical battery cells, including 18650 Li-ion rechargeable battery, 21700 Li-ion rechargeable battery, 26700 LiFePO4 rechargeable battery, Na-ion rechargeable battery. Plus, we can custom battery packs and BMS to satisfy your needs.
| 1300-3500mAh |
| CB &UL Certification |
| 80% capacity 300 cycle |
| Eco-friendly |
-40℃~80℃ |
| 2500-4000mAh |
| CB &UL Certification |
♦ Custom Li-ion or Lifepo4 battery pack to satisfy your unique needs.
♦ 26700 batteries/21700 batteries/18650 batteries
♦ Best battery pack solutions in power tools, cleaning appliances, drones, garden tools, medical equipment, vehicles, etc.
♦ UL/CB/SGS/BIS/PSE/KC/MSDS/UN38.3 certification
♦ Battery management system suits for 10A~200A Li-ion, Lifepo4 or lithium titanate battery pack
♦ High-quality MOS (such as MOSFET) and imported IC (such as TI of USA) to keep your battery for longer cycle life
♦ Top-tier solutions for multiple applications
Established in 2014, Sunpower New Energy has been a leading lithium-ion battery supplier in China. We boast 2 major production bases, covering an area of 400,000 square meters, with an annual production capacity of over 600 million li-ion cells. Sunpower New Energy provides a great variety of eco-friendly lithium-ion batteries, lifepo4 batteries, and sodium-ion batteries, which feature high capacity, fast high discharge rate, fast high charge rate and long battery cycle life. With BIS, CB, BSMI, UL, and ISO14001 certifications, our high-rate lithium cells are exported to the US, Europe, and Australia.
Sunpower New Energy will be your reliable lithium-ion battery manufacturer. Working with Philips, Stanley, Lidl, TTI, Kärcher, Shark, Groupe SEB, Ecovacs, and Bissell, we supply stable, safe, and clean energy lithium on cells. Sunpower New Energy is strongly responsible for humans, the environment, and the earth. Our vision is to create a sustainable and powerful world with Sunpower Lithium Ion Battery.
With a total investment of 122 million RMB, Sunpower New Energy has established 2 major R&D centers in China and North America. Our R & D teams specialize in high rate lithium battery technology for eco-friendly and long cycle life. Through our great effort, the discharge rate of lithium batteries is 3-10 times that of regular batteries. Additionally, our battery’s cycle life can exceed 3000 cycles under 0.3C charge/discharge conditions, and reach 500-1200 cycles under high discharge rates of 5-10C.
As an excellent lithium-ion battery supplier, Sunpower New Energy can support any big orders. Covering an area of 400,000 square meters, our factory boasts many automatic battery production lines. It can manufacture about 1,500,000 lithium-ion batteries per day. Based on high productivity, we can deliver you 1-100 pieces only in 3 lead days. If you want a large number of li-ion cells in a few days, we can satisfy your needs and deliver more lithium-ion cells than others.
Please believe Sunpower New Energy, the best lithium-ion battery manufacturer. We are committed to supplying you with a safe and good-performance lithium-ion battery. With CE, CB, UL, SGS, BIS, ROHS, UN38.8, IEC62133, IATF16949, ISO9001, ISO14001, OHSAS18001, and other systems certifications, our lithium-ion batteries are popular in the global market. We also have physical and chemical testing equipment, including a scanning electron microscope, ICP, gas chromatography-mass spectrometry, vibrating density tester, and specific surface tester, to ensure good quality before delivery.
Top lithium ion battery manufacturer Sunpower New Energy participated in the 2026 China Shenzhen International UAV Exhibition, with our high quality li-on batteries product. In the fair, many foreign customers were interested in our products and made deals.
Sunpower New Energy provides superior lithium ion batteries and reliable battery solutions for various application.
Sunpower New Energy provides perfect battery solutions for power tools, such as gun drills, electric hammers, multi-tools, etc.
Sunpower New Energy offers ideal battery solutions for various household electric appliances, including vacuum cleaners, electric shavers, lamps, and more.
Sunpower New Energy can fulfill the battery application needs of winter outdoor sports, like snow scooters, frigid zone rescue, electric warm shoes, and clothing, etc.
Click to learn more about reliable lithium-ion battery manufacturer Sunpower New Energy and our high-quality sunpower battery!
As summer arrives, many drone pilots notice a significant increase in drone range and battery capacity. However, batteries get noticeably hot immediately after landing, and
The 21700 50SE rechargeable battery is designed for UAV systems where unstable power output can interrupt operations and reduce efficiency. You often face issues like
The 2026 World Drone Congress and Shenzhen International Drone Exhibition (UASE) has just concluded at the Shenzhen Convention and Exhibition Center. Walking through the exhibition
