Q: Are wireless chargers bad for smartphone battery life? A: Virtually every device we own that runs on batteries — from smartphones and laptops to electric cars — use lithium-ion in its charging and discharging cycles. Understanding what can harm battery life and avoiding those situations is essential. There are lots of theories on what helps to extend or diminish battery life, and much of it is in direct conflict. An article published by ZDNet last year claimed that wireless charging will wear out the battery on the newer iPhones faster than if you were to use the charging cable. While the author’s anecdotal review of his experience seems compelling, there are a lot of conflicting responses to what was clearly not a scientific study. Charging by cable or via a wireless pad shouldn’t put your phone in a different situation while it’s charging, but how often you do it may have some potential effects. Constant topping off What does seem to be agreed upon by most experts is that c...
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