The LG G5 is equipped with a removable 2800mAh lithium-ion battery, providing users with the convenience of easy battery replacement. This feature allows for on-the-go flexibility, as users can quickly swap out the battery for a charged one. The battery supports Quick Charge 3.0 technology, ensuring rapid charging for efficient power replenishment. The 2800mAh capacity offers reliable performance, making it a practical choice for users seeking a balance of power and convenience in their smartphone.