Stay fully charged while on the go with the Best Buy Essentials 20W 20,000mAh Portable Charge for Most Smartphones, Tablets and USB Devices. The power bank features a 20W USB-C port and two USB ports (12W total) to charge multiple devices simultaneously. Track the charging status and remaining battery with the LED indicators on the side. The power bank’s 20,000mAh capacity is at the top end of the spectrum for portable chargers, allowing maximum device charges before needing its own recharge. And it’s backed by Best Buy, so can trust it will keep your devices charged away from home.