Strong battery for sale, the battery has nothing wrong with it, it works. Capacity: 10,000 mAh, which is an excellent capacity enough to charge the phone approximately 2 to 3 times depending on your device's battery size. • Fast Charging: Supports fast charging up to 18W via advanced input and output ports. • Input Ports (to charge the power bank itself): • Traditional Micro-USB port. • Type-C port supports 18W fast charging. • Output Ports (to charge your devices): • USB-A port supports fast charging technology (QC3.0). • Type-C port (supports PD fast charging technology with 18W power).