Button Battery, Alkaline Battery, Carbon-Zinc Battery manufacturer / supplier in China, offering OEM Cr1220-2p/4p 80mAh 3V Button Lithium Battery Pack for Power Tools, Free Sample High Quality 3.0V Cr2016 Cr2032 Cr2450 Cr2025 Lithium Button Battery, OEM 3V Cr2450 Primary Coin Battery Button Cell for Smart Watch and so on.