Use of high-quality, high-capacity, stable imports of batteries, supplemented by a new generation of protection chip set overcharge, over-discharge capabilities, comprehensive care of the safety of lithium batteries, and greatly extends the service life of lithium batteries This product export to  Europe and the United States and other countries. Product parameters: 1. At present imported batteries, voltage 3.6V ,880MAH.2. Support overcharge, over-discharge protection, voltage-voltage 2.45-4.20V 3. Maximum working current: 3.2A 4. Gray Coding Plastic Packaging