OEM PCBA 1,Support IPAD and IPHONE products all mobile phones&digital equipment. 2,Fast Offer,Quick Lead OEM PCBA1,MCU SmartControl2, Multiple Safety Protection FunctionSupport IPAD and IPHONE apple products series and all mobile phones and digital equipment.Suitable for lithium-ion polymer battery specifications: 3.7V 1000mAh-20000 mAhthe overcharge protection voltage: 4.3V±0.05Vdischarge ...