1. Boasting a powerful 2990mAh capacity, the battery provides up to 23 hours of talk time, up to 13 hours of Internet use, and up to 16 hours of video playback. That means you can stay connected, entertained and productive for longer without worrying about battery life. 2.The iPhone 8plus battery not only has impressive performance, but is also very easy to use. Installation is quick and easy by simply removing the old battery and replacing it with a new one. Plus, unlike many other third-party batteries, this one is designed to work seamlessly with your iPhone 8plus, so you can enjoy all of its features and functions without any issues. 3.Safety is also a top priority with this iPhone 8plus battery. It has built-in overcharge and voltage protection to help prevent overheating, short circuits, and other potential hazards. This ensures that you can use your phone with peace of mind, knowing that it has a reliable and trustworthy battery.Product Item：iPhone 8 Plus Battery Material：AAA Lithium-ion battery Capacity：2990mAh (10.28/Whr) Cycle Times：>500 times Nominal Voltage：3.82V Limited Charge Voltage：4.35V Size：(3.17±0.2)*(49±0.5)*(110±1)mmNet Weight：42g Battery Charging Time：2 to 3 hours Standby Time：72 -120 hours Working Temper：0℃-30℃ Storage Temperature：-10℃~ 45℃ Warranty：6 months Certifications：UL, CE, ROHS, IEC62133, PSE, TIS, MSDS, UN38.3When you purchase mobile phone batteries from us, you can be sure you're getting a product that's been tested and approved. Our stringent quality control measures mean that we only sell batteries that meet our strict quality standards. Each battery undergoes rigorous testing to ensure that it can withstand the demands of modern smartphone usage. We are committed to providing our customers with the highest quality batteries that are both reliable and durable. Our customer service team is always available to help you choose the right battery for your phone and answer any questions you may have.So whether you're a heavy user who needs extra power throughout the day, or just want to extend the life of your iPhone 8plus, this battery is the perfect solution. Don't let a dead battery hold you back - upgrade to the iPhone 8plus battery for long-lasting power and great performance.By following these tips and being mindful of our cell phone battery usage, we can ensure that our phones have a long and reliable battery life. 1. Battery Capacity: The capacity of the battery is measured in mAh (milliampere-hours) and signifies how long your phone can operate on a fully charged battery. The higher the mAh, the longer the battery lasts. 2. Battery Chemistry: Mobile phone batteries are available in different types such as Lithium-ion, Lithium-polymer, Nickel-Cadmium, and Nickel-Metal Hydride. Lithium-ion batteries are the most commonly used type in modern smartphones. 3. Battery Health: Over time, mobile phone batteries degrade in performance and lose their maximum capacity. Battery health is a measurement of the battery's current capacity compared to its original capacity. 4. Charging Technology: Different mobile devices have different charging technologies, including Fast Charging, Wireless Charging, and USB-C Charging. Understanding your device's charging technology can help you charge your phone in the most efficient way possible. 5. Battery Replacement: If your mobile phone battery is no longer performing well, you can often replace it rather than buying a new device. Replacement batteries are available both online and in physical stores, but you should make sure you're buying a battery compatible with your phone model.