Product Details If your iPhone SE won't turn on, is stuck in a boot loop, has a "service battery" warning, or simply won't hold a charge, this replacement battery may be what you need to fix it. A typical cellphone battery has about 500 cycles before it is unable to maintain a charge of at least 80% of its original capacity. Made from new materials, our batteries have zero cycles ensuring the maximum number of cycles available to you. Zero Cycle Count, therefore you have the maximum amount of cycles left Lithium Ion-Polymer Brand New materials Strict QC testing Less than 1% failure rate 12 Month Warranty iGadget OEM iPhone SE replacement batteries carry loads of certifications (FCC, CE, SDOC, IEC62133-2:2017, UN38.3, MSDS and even a 1.2m drop test certification) so you can trust you are buying a safe, reliable and long lasting Lithium Ion battery. IEC62133 Certification Tests: Insulation Resistance Continous Charging Short Circuit Impact Thermal Abuse Crush Overcharging Forced Discharge Shock The OEM Texas Instruments chip (also known as the 'gas guage') measures and accurately communicates available capacity, voltage, current, temperature and other critical parameters for lithium-ion batteries. An inadequate battery gas gauge will result in surprise shutdowns, overcharging, poor user experience and will ultimately lead to a quicker deterioration of your battery Genuine OEM Texas Instruments Chipset (TIIC) Compatible with iOS Battery Health Notifications Accurate Communication to your device Superior charging control - Stabilises charging, discharging and overcharging iGadget's OEM battery adhesive allows you to glue down the battery into your chassis while leaving pull tabs for you to be able to remove the battery if you need to later on OEM Battery adhesive is included Convenient Easy-to-use Specifications Compatible Part Numbers: 616-00106, 616-00107 Voltage: 3.82V Watt Hours: 6.20Whr Capacity: 1624mAh Chipset: Texas Instruments Battery Type: Li-Polymer Warranty: 12 Months What’s In The Box 1x iPhone SE Replacement Battery 1x Replacement Battery Adhesive