TOPVISION Campatible with 6 Battery, Replacement Li-ion Battery with Instructions and Repair Tool KitsAdhesive Strips Screen Protector - 1810 mAh 0 Cycle - 2 Years Warranty &hellip; 2018 UPGRADING TECHNOLOGY. Christmas gift first choice. IPhone 6 Battery with Upgraded chip -Avoiding virtual electricity and device operating slow down. At the same time high density lithium ion polymer battery let attery life is 35% more than ordinary battery, power conversion rate is higher than 98% INSTALLATION EASYProvide complete repair toolsand battery installation instruction. If you want to replace batteries more easily, it is strongly recommended to watch the video of battery replacement on YouTube. STRICT QUALITY CONTROL SYSTEM. each battery will do strictly quality testing prior to sale and passed FCC, CE and RoHS certified. Product quality is reliable and safe. 2 YEAR WARRANTY! 30 days Money back. REGISTER your product after purchase and RECEIVE EXTENDED 2 YEARS Warranty: If you ever have any issue with your training collar, just contact us, we will Provide Replacement or Refund! TOPVISION Based Customer Service 7 Days a Week, you can reach us at any time.