The CYGNETT ChargeUp Pro 20k 20000mAh External Battery in Black is a reliable and efficient power bank that ensures your devices stay charged on the go. It is compatible with various mobile phone accessories, making it an ideal choice for people who need to charge multiple devices simultaneously. The sleek black colour gives it a classy look, adding a touch of sophistication to your accessory collection. This power bank is a must-have for anyone who needs to stay connected and productive while on the move. With its high-capacity battery, it can charge your devices multiple times, eliminating the inconvenience of constantly looking for a power socket. Whether you're on a long journey or attending a conference, the CYGNETT ChargeUp Pro 20k 20000mAh External Battery is a reliable and convenient choice.