Top 10 Custom Lithium Battery Manufacturers

Modern electronic devices, such as smartphones, are well-suited for lithium-ion batteries. Li-ion batteries are durable, self-discharge slowly, and are rechargeable. As its demand increases, you may be tempted to buy a fake lithium-ion battery. This article will help you avoid this.

These lithium battery manufacturers’ products are of superior quality. The batteries are also manufactured utilizing cutting-edge technology. We will provide comprehensive information about the leading manufacturers of custom lithium batteries.

10 Best Custom Lithium Battery Manufacturers

We have compiled a list of 10 lithium battery manufacturers out of thousands. The following are the leading manufacturers of custom lithium-ion batteries.

1. Legend Battery

Legend Battery was established in 2014. It distributes 18650 and 21700 battery cells manufactured by Panasonic, Murata (Sony), Samsung, LG, and Molicel, among others. Its Li-ion battery pack manufacturing division was established in 2016, and our SMT facility was established in 2018. They provide competitive and cost-effective Li-ion battery pack solutions. Legend has ISO14001 and ISO9001-accredited production facilities. Moreover, it has 300 professional employees and a strong engineering team.

Light electric vehicles, FPVs, robots, UAVs, and other portable devices for which Legend batteries are famous. It specializes in the design, production, and supply of lithium-ion battery packs. Its engineering staff is capable of providing Lithium-ion battery solutions for standard applications. It is also for those who need resistance to high and low temperatures, water, and explosions.

2. SK Innovation Company, Limited.

SK Innovation is among the leading solar energy corporations globally. Established in 1962, it maintains its headquarters in Jongno-gu, Seoul, and has many specialized business divisions.

Among these are chemicals, batteries, electronics, and petroleum. This platform’s more than half a century of experience is a competitive advantage. Its assembly facility for 100 MW batteries is located in Daejeon. Batteries, packs, electrodes, and separators are all components of the manufacturing process.

3. Romeo Power

Romeo Power is a manufacturer of lithium-ion batteries. This corporation manufactures batteries for electric vehicles and storage markets and industries. Commercial vehicle industries use the Banyan module manufactured by Romeo Power. The Banyan module has parallel or series lithium-ion cells arranged in a 21700 format. Romeo Power also manufactures the Menara series of lithium-ion batteries.

4. EPT

EPT is a manufacturer of custom lithium-ion batteries. The operation’s main office is in Shenzhen. It has two more bases in Yancheng, Jiangsu province, and Meizhou, Guangdong province. EPT produces more than 600,000 lithium batteries, and the organization has years of experience in the sector.

Additionally, the company carries lithium-ion battery packs for various appliances, including vacuum cleaners. EPT also produces cylindrical lithium-ion cells and batteries for multiple devices. For the most effective lithium-ion battery cells for everyday use, consult EPT.

5. A123 Systems

Lithium batteries manufactured by A123 Systems are for automobiles. Commercial vehicles are among the applications for A123 Systems lithium-ion batteries.

Furthermore, they offer lithium-ion cells in the following capacities: 6Ah, 26Ah, 8Ah, 20Ah, 32Ah, 37Ah, 39Ah, 50Ah, 52Ah, 65Ah, and 67Ah. Silicon-ion batteries manufactured by A123 Systems are constructed utilizing cutting-edge technology. This may render them secure and suitable for everyday use in a variety of automobiles and appliances.

6. EnerSys

EnerSys is also the best manufacturer of converters and other accessories in the US. EnerSys also manufactures batteries for telecommunications and computing systems. Rechargeable lithium-ion batteries of theirs are robust.

7. Northvolt

Northvolt is a global leader in the production of custom lithium batteries. The organization’s headquarters is in Stockholm, Sweden. The company was formed in 2016. It aims to develop the most environmentally friendly battery globally.

Furthermore, the organization is committed to achieving this with a small carbon footprint. Northvolt’s collaborations with some of the world’s most prestigious customers are outstanding. The organization provides customized lithium battery cases to many customers. These include solutions for the automobile, the grid, equipment, and e-mobile devices. Additionally, the firm offers battery systems for mining equipment.

8. BYD

BYD is a worldwide manufacturer of lithium-ion batteries. Its products are used in diverse sectors, including new energy vehicles. The organization was founded in 1995 and is headquartered in Shenzhen, China.

Additionally, their custom rechargeable batteries are superior. BYD manufactures NiMH and NCM batteries to lithium-ion batteries. In addition, BYD is committed to establishing an energy ecosystem with zero emissions.

9. Panasonic

Established in 1918 in Japan, Panasonic is a manufacturer of custom lithium batteries for various devices. Its products are used in laptops, computers, mobile phones, etc.

The company also manufactures a variety of lithium-ion batteries. It includes cylindrical, prismatic, and pin types.

10.  Samsung SDI

Samsung SDI manufactures Prism batteries, one of the manufacturers of custom lithium batteries. Batteries are used in e-bikes, mobile phones, and laptops. Samsung SDI’s objectives are to reduce petroleum consumption, powertrain performance, and carbon emissions.


Consider the ten manufacturers of custom lithium batteries listed above. They will produce a lithium-ion battery that fulfills your requirements. Before selecting a suitable lithium-ion battery manufacturer, check their years of experience. This indicates whether the appropriate custom lithium-ion battery can be manufactured for you. Check their customer rating, which will state whether they fulfill their client’s expectations. Certifications and production and delivery schedules should also be considered.