ROBOULT Battery for Vivo Y21s With 3 – Months Warranty. ROBOULT Original BATTERY for Vivo Y21s to 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. 100% mAh inside the Battery for Vivo Y21s. Excellent Backup for Mobile Phone after heavy usage..
2. Completely Tested battery for all purposes for long life.
3. 3 Months Warranty (Replacement).
4. This Battery is By “ROBOULT”; it is a replacement battery with complete mAh compatible to its respective brand.”” TROUBLESHOOTING TIPS: We ask you to use an original company charger to charge your mobile. Any other than the original charger can affect your battery and mobile drastically. Check if there is any dust in the connector or if any pin is broken. Also, check for any corrosion in contact and plug. Clean the plug using IPA or swabs. Make sure you use ESA safe. Only check the interface connector to see if there is any dust. If there is any dust, then clean or replace the interface connector as required. If the problem is not solved, then update the software/operating system (OS) to the latest version. 5. Quality Tested before shipping. (QC Done)