Upgraded Battery for iPhone 11 Battery A2111 A2221 A2223

【Latest IC Chip Smart Power Housekeeper 】- Use the latest cost-effective smart IC chip on the market now which same as the original iPhone 11 battery, combined with the latest science and technology at the same time, so that the battery has an exclusive smart power housekeeper which can intelligently control and distribute the power, maximize power conversion rate. Longer power life without bothering about running out of power and shut down some apps all the time. 【100% Size Fit Ultra High Capacity Battery】- With the top-rate premium high-tech integrated lithium polymer battery cell with CE, UL and ROHS certification, which can effectively to prevent from over-charging, over-heating protection and over-discharging. This iPhone 11 battery replacement for features a much higher capacity——4000mAh more power life.