
BAK Battery is one of the largest Li-ion battery cell manufacturer in the world,specialize in liquid Li-ion battery,polymer Li-ion battery and cylindrical battery. Now our daily output is over 1000,000pcs Li-ion batteries.At present, we have passed the ISO9001:2000 quality system and ISO14001:2004 Environment Management system and our products have been certified by the CE authorization of Europe and the UL authorization of North America. [
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