GIGAPACK iphone 8 4.7 battery 1821mah li-ion 616-00357 compatible

This replacement battery is designed for the iPhone 8 with a 4.7-inch display and is compatible with part number 616-00357. It is a lithium-ion battery with a capacity of 1821 mAh and weighs about 35 g. It supplies power to the device and can replace a worn or degraded original battery.

Lithium-ion batteries are among the most common types used in modern mobile devices. They offer high energy density, are lightweight and can be recharged many times. Unlike older battery technologies, they do not suffer from the memory effect, so their capacity does not noticeably decline with regular charging.

Capacity, measured in milliampere-hours, determines how long the device runs on a single charge. A well-maintained lithium-ion battery can withstand several hundred charge and discharge cycles before its performance drops noticeably.