Batteries and Rechargers

IEM Battery Solutions, Rechargers and Protection Circuits…

IEM Rechargeable Battery Solutions Brief (downloadable 828 Kbytes) (click HERE)


Founded in 2005. The main products including: LR/AG button cell, SR/SG silver oxide button cell, lithium polymer button cell, custom combined voltage buttons, green cylindrical type (AA, AAA) carbon, alkaline battery, rechargeable battery and various kind of battery’s welding, packing and assembly. Our product advantages are as follows: high capacity, long life, safety and stability, and complies with the ROHS standard, the 2006/66/EC standard.

Great Power

We are a leading producer in manufacturing of high quality batteries specializing in Nickel Cadmium, Nickel Metal Hydride, Lithium Ion, Lithium Polymer, Alkaline, and the same chemistry’s in coin cell battery’s. We support all sizes of batteries from coin cells to AAA, AA A, C, D 9V and 18650 form factors. We have standard size and custom size Lithium batteries.

We have established 2 production plants in Guangzhou and Zhuhai. They cover a total area of 380,000 square meters with over 4,200 employees. Currently, the daily output amounts to 700,000 pieces. The quality control is implementing ISO9001:2000 standard to guarantee the quality and stability of our products.


Jintan Chaochuang Battery Co., Ltd. specializes in production of CR series lithium manganese dioxide batteries and mounting systems. We are ISO9001 certified

Our coin cell CR series lithium manganese dioxide batteries are characterized by high quality, stable technical spec’s, large capacity, good leak protection, and low temperature resistance using unique sealing techniques and advanced manufacturing technology. We have a strong technical force to support our customers and focus on having the highest quality control systems available.


Minmax is a unique manufacturer and provider of primary and rechargeable batteries in China. Founded in 2004, we built our reputation by supplying standard and specialty batteries for medical, military, industrial and customer uses with. We produce Lithium polymer, Nickel Cadmium, Nickel Metal Hydride and sealed lead acid batteries.

We have an in house R & D center and ISO9001 certified facility for prototyping, prototype production, assembling, final qualification and logistics in Guangzhou. Productions are placed in various locations throughout China. Minmax battery products can meet customer’s demanding requirements in mechanical and electrical performance. Also, we can offer UL, CB, CE, IEC, FCC, UN38.3 and ROHS certification for our batteries.

House of Batteries

Since 1965, House of Batteries has been designing and assembling custom battery solutions in all chemistries and for all electronic applications. We are industry leaders in engineering and manufacturing of custom battery systems, with a focus on lithium battery packs. Our portable energy solutions optimize performance, size, working life, and cost, giving our customers a unique competitive edge.

We are one of the United States’ largest authorized custom battery pack assemblers, serving some of the most recognized battery manufacturers in the industry. Our excellence and expertise are second to none.

House of Batteries is ISO 9001 certified, ITAR registered, and a certified woman-owned company. We provide:

  • Design and assembly for all battery chemistries
  • Battery assembly in the US, Mexico, and Asia
  • A vast inventory of over 2 million in-stock batteries
  • UN, UL & DOT testing and certification
  • Large engineering department and testing lab
  • 36,000 ft2 state-of-the-art facility

For custom battery pack design, custom battery packs, lithium batteries, rechargeable battery assemblies, and more, look no further than House of Batteries.

Rocky Mountain Market markets only.

Contact Information: Contact page Link

Corporate in Southern California:

IEM Inc.
2651 Dow Avenue
Tustin, CA 92780

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