Masters begins cooperation with a new battery supplier – EEMB BATTERIES

We are pleased to announce that the Masters portfolio has been expanded with a new supplier in the field of batteries. EEMB Energy Power Co. Ltd was founded in 1995 and started its operations with the production of Li-SoCl2 (lithium -thionyl-chloride) batteries. Two years later, it launched a battery production line of Li-MnO2 (lithium-manganese) button cells. Later it introduced the production of lithium-ion batteries.

In 2011, EEMB opened an office in Japan, a new warehouse in the United States, until 2018, when EEMB launched a new production facility where production capability is tripled on the new site.

Quality certificates

The EEMB company has quality certificates and meets the ISO 9001 / UL / CE / ROHS / UN / IEC standards:

  1. ISO9001-2015
  2. TS16949
  3. Military standard GJB 9001B-2009
  4. CE-EMC& LVD
  5. EN62133
  6. IEC62133
  7. GOST
  8. REACH
  9. Battery directive 2006/66/EC
  10. UL, file number MH20555
  11. UN38.3
  12. PSE
  13. ISO14000
  14. ISO14001-2015

Li-SOCl2, coin type & customized batteries

EEMB specializes in personalization options for CR COIN series batteries, e.g. CR2032, with THT or SMD mounting options, vertical or horizontal, or custom designs according to the customer’s demand.

Also best-selling battery from Li-SOCl2 series: ER14250, ER14505, ER18505, ER26500, ER34615 with different terminals, wire or connectors.


Popular applications for EEMB batteries include water / gas / electricity measurement systems, GPS tracking systems, IoT devices, medical devices, portable electronics, and more.

Contact us

Masters is the official distributor of SIMCom Wireless Solutions Ltd products. If you are interested in receiving samples or want to talk about your project and possibilities of using SIMCom modules, please contact us at or directly with chosen customer service office. We will advise the most appropriate solution to your needs.