Powerbank PEA40PF 40000mAh, 22.5W (black) You no longer have to wait forever for your smartphone to charge. With the Romoss Powerbank, you can charge 3 devices simultaneously, saving you time. It also supports fast charging protocols, and the LED display provides you with essential information about the device's operation. Additionally, the PEA40PF is equipped with a range of safety features, ensuring that its use is safe. Reliable The Romoss Powerbank will prove itself in many situations. You can take it on vacation, on a trip, to university, or to work. You will also find it useful for live broadcasts, vlogs, or during a sudden power outage. With a capacity of 40000 mAh, you can use the PEA40PF for up to 10 days on a single charge. That's enough to charge the Vivo X9 about 8 times and the Huawei P10 about 7 times.