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. Factors That Affect Mobile Phone Battery Performance Many factors can affect the performance of your mobile phone's battery, including: Age Over time, Lithium-ion batteries lose their ability to hold a charge and eventually need to be replaced. Most Lithium-ion batteries have a lifespan of 2-3 years, after which they begin to degrade and hold less and less charge.Product Item：iPhoneX Battery Material：AAA Lithium-ion battery Capacity：3000mAh (10.35/Whr) Cycle Times：>500 times Nominal Voltage：3.81V Limited Charge Voltage：4.35V Size：96.8/38.5 *58.3/34.3mmNet Weight：40g 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,UN38.3Overall, if you're looking for a reliable and long-lasting battery for your iPhone X, look no further than this innovative new product. Whether you're using your device for work or play, you'll feel the convenience and peace of mind that comes with a powerful and efficient battery. So why wait? Upgrade your device today and experience the difference for yourself!1. Introducing the revolutionary iPhone X battery - the perfect solution to all your battery woes. With up to 18 hours of battery life, you can stay connected and productive without worrying about running out of power. 2.One of the most impressive features of this battery is that it adapts to your usage patterns, adjusting the amount of power used to optimize battery life. This means your device will last longer when you use it less frequently. 3.If you're concerned about your impact on the environment, rest assured this battery is made from eco-friendly materials and will last for years. With the option to recycle your old batteries, you can rest easy knowing you're doing your part to minimize waste and protect the planet.