TBS Li-Ion battery Stay connected with your family and friends by getting extra battery power today. Best replacement for the original battery with comparable standby and talk time. The battery operation time depends on conditions such as: 1. Complete mAh inside the Battery for Excellent Back for Mobile Phone after the heavy usage.. 2. Completely Tested Phone All purposes for long life. 3. It is a replacement battery with complete mAh compatible to its respective brand” TROUBLE SHOOTING TIPS We ask you to use an original company charger to charge your mobile and our battery any other than original charger can affect your battery and mobile drastically. Check if there is any dust in the connector or if any pin is broken or not. Also check for any corrosion in contact and plug.