1. Introducing the iPhone XR Battery - Apple's latest innovation designed to elevate your phone experience. Designed to meet the highest industry standards, this rechargeable lithium-ion battery ensures reliable, long-lasting power for your iPhone XR. 2.With the iPhone XR more powerful and feature-rich than ever, it's no surprise that it's demanding more from the battery. That's where our iPhone XR battery comes in. With a capacity of 2942mAh, this powerful battery ensures that your iPhone XR will last all day without recharging. 3.In addition, the design of the iPhone XR battery is user-centric. It provides safe, reliable and consistent power output, ensuring your phone runs smoothly even when using multiple apps and functions at the same time. It also means you can use your phone for longer without worrying about battery life.Product Name：Battery for iPhone XR Material：AAA Lithium-ion battery Capacity：2942mAh Cycle time ：500-800 times Normal voltage：3.82V Charge voltage：4.35VBattery charge time：2-4H Standby time：3-7 days Working temperature：0-40℃ Warranty：6 months Certifications：UL,CE,ROHS,IEC62133,PSE,TIS,MSDS,UN38.31.Our iPhone XR batteries are backed by Apple's rigorous testing standards, ensuring you'll receive a product that's not only reliable, but safe to use. Whether you're on the go or at home, this battery gives you the power you need to stay connected and productive. 2.All in all, iPhone XR batteries are the perfect solution for those who need a reliable, long-lasting battery for their iPhone XR. With its impressive capacity, easy installation, and safety features, this battery is sure to elevate your phone experience. Upgrade to an iPhone XR battery today and stay connected all day, every day.The Science Behind Charging and Discharging When you charge your phone, electrical energy is stored in the Lithium-ion battery as Lithium ions move from the cathode to the anode through the electrolyte. When you use your phone, the stored energy is released as the Lithium ions move back from the anode to the cathode through the electrolyte, generating electrical energy that powers your phone.