No, it shouldn’t damage your device.
But you may not be getting the best charging profiles or fastest charging.
Most of the cheap chargers are low wattage, slow chargers which also didn’t have the greatest longevity.
Also, it means that your devices won’t get damaged simply by charging your phone even if it’s at 100%.
Can wireless chargers damage your battery?
We’ve noticed that fast charging via wired chargers, technology that is getting speedier all the time, can make your phone very hot, which can’t be good for the battery, but that’s another question. As for this one – the short answer is no, wireless charging does not degrade your battery faster.
Are there bad wireless chargers?
Myth #1: Wireless charging pads can damage the phone or its battery. Fact: Not entirely true. Chances of your smartphone getting damaged are high if you use a low-quality wireless charger. Some wireless charging pads are built to prevent damage to the phone while in use.
Are wireless chargers worth it?
Yes, if you’re not looking for a fast charger, or if you’re only charging your phone at night while you sleep, then a wireless charger could work for you. But for the most part, you can’t use your phone while it charges wirelessly. If you take your phone off the wireless charger to do anything, it’ll stop charging.
Is it safe to wireless charge overnight?
“It doesn’t matter if you have a wireless or wired charger.” It’s not possible to exceed these limits by leaving your phone on the wireless charging pad for too long, or by leaving it plugged in overnight. “You won’t be able to overcharge or over-discharge a cell.”