Four Protection: Over-charge, over-discharge, over-heat, over-current & short-circuit protection, Every battery is with strict spec detection and use testing.
Quality Certification: ROSH, CE and UL UKCA certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection.
Precaution: When you replace your old battery, please carefully and gently disconnect your old battery's cable then connect your new battery to the mainboard. If you phone cannot be powered on with the new battery, you may need to install it again and be sure to check if the cable has been properly connected.
12-month Warranty and 30-day Money Back Guarantee. If you have any questions or got any issues with our product, please feel free to contact us, we will reply to you within 24 hrs. We highly appreciate your kind patience.