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Phone mobile power advantage: Phone mobile power energy storage which is a set of power supply and charging function in one portable charging device, to mobile phones and other digital devices anytime, anywhere charge Portable mobile power pack or standby power supply. Usually polymer mobile power charger for iphone lithium-ion batteries as power storage carrier. Different from the configuration of the battery inside the product, also called e power, plug-in battery. Generally equipped with a variety of power adapter usually has a large capacity, multi-purpose, small size, long life, safe and reliable, the phone anytime, anywhere as an ordinary function. Purchase of mobile power, mobile mobile power pack power conversion efficiency depends? Mobile power is a set of electrical storage, boost, charge management in one portable device. We know the market electricity storage media commonly used lithium batteries, lithium voltage between 2.7-4.2V,2.7-4 .2 V voltage is not directly to other digital products charge digital products lithium voltage is 2.7-4.2 V the voltage between the same potential is not rechargeable. Mobile power external output power boost system must be 2.7-4.2V lithium voltage step-up to 5V, so that you can charge to other digital products