3.7V high quality batteyr 1. Double IC protection, more capacity 2. CE,RoHS,ISO9001 3. 2-7 days shipment 4. 1 year warranty 3.7V high quality batteyr1. Double IC protection, more capacity2. CE,RoHS,ISO9001 3. 2-7 days shipment4. 1 year warranty We are professional manufacturer for battery. All kinds of battery available. More capacity selection.Welcome to your OEM / ODM Order