Vinnic Batteries is a division of the Chung Pak Corporation. For over 30 years, they have been one of the world’s largest battery manufacturers. From their production facilities in Hong Kong and Shunde, Guangdong, China, Vinnic produces over 1.8 billion battery units per year. Their line of battery products includes zinc chloride (no lead added) batteries, Ni-MH rechargeable batteries, lithium coin batteries, and rechargeable lithium-ion button cell batteries.

Custom Power is a supplier of Vinnic Batteries and is located in the United States. They supply standard battery cells, as well as manufacturing custom battery packs for a variety of industries. Custom Power has more than 200 years of battery design experience and maintains ISO certification, RoHS compliance, and ITAR registration.