Philips DLP2113U/93 Type Powerbank Battery Started Draining Quickly
purchased a Philips DLP2113U/93 type powerbank on July 1, 2023. For four months, I had no troubles with it. However, ov...er the past month, the battery abruptly decreases from 30% to nothing, and even when it's at 100%, it soon falls to 50%. The two-year warranty hasn't expired yet, but I can't reach