Does Keeping Your Phone Charging Ruin Battery. Whether it is kept that way with or without a wire is mostly irrelevant. Phones get really hot on a wireless charger just use the cable instead.
However leaving the battery at 100 state of charge SOC for extended periods is bad for the health of the battery. Partial discharge and charge cycles also will not harm a lithium battery. When the battery is charged the cell phone should indicate it is.
The researchers explained that wireless charging.
You can expect your battery to drop a few percent over time and then to charge back up to 100 and so on and so forth. You may have heard one of the following. For the longest battery life possible try to keep your battery between 20 and 80. A scientific investigation from the University of Warwick has found that charging your phone by induction could damage its batterys lifespan.
