![]() ![]() I've seen some teardowns of USB chargers with terrible isolation and there have been cases of people being shocked while using their phone as it's charging. I think that's going to be tough to get a definite answer for unless you have a teardown on the specific device, from someone qualified to comment on its quality. Should I definitely get an original Apple charger? Or are others vendors safe too? It really shouldn't, unless there's an existing flaw in the battery or charger. Might it reduce the life-time of the battery? Or is it even dangerous (strong heating up, explosions)? The BMS has to accept 20 W and even then things are a bit more nuanced as 20 W would be the maximum, not continual power draw. If your device is capable of drawing more than your current charger provides then you'll see some improvements in charge time with a higher capacity charger but not necessarily by the ratio of how many watts the new charger provides vs the old one, ie. ![]() If 5 W is the most it can charge at, then plugging it into a 20 W charger isn't going to force more than 5 W in. I'm not sure about that, the BMS on the iOS device should alter its power draw to match what it's programmed to accept, given the current state of the battery. ![]() Obviously it charges a device two to three times faster then the 5 watt chargers, which I currently use. I'm considering to buy a 20 watt charger for my iOS-devices. ![]()
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