This is a replacement compatible with a Apple Mobile Phone Battery Volts: 3.82V (3.82 Volts) Capacity: 2900mAh (2.9Ah) Type: Li-Polymer Color: Black Apple A1661 A1784 A1785 A1786 iPhone 7 Plus Replacement Batteries. Mfgr Part # 616-00249 616-00252 Weight: 0.3 lb Warranty: 1 Year This new Replacement Battery compatible with iPhone 7 Plus is what you need to bring that dead Cellphone back to life. It can be used to replace a broken or defective battery of your Phone. For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge uninterrupted to 100%. The Lithium-ion battery provides excellent continuous power sources to your device. Use the best chargers only. If you don't use the battery for a long time, please put it in a dry and cool place and make it full charged once every three months. Installation: • This repair might require Specialist/expert assistance as the phone backs are made to be difficult to remove. • We suggest you seek the professional for dismantling and installing it into your phone. Disclaimer: Our products are not affiliated with or authorized by Apple.