New Delhi, Nov. 19 -- Fast charging is no longer a rare spec, it's the norm on nearly every new phone sold today (especially those running Android). But does topping up your battery in 30 minutes mean you could be trading convenience for long-term battery health? Instead of myths, it's worth looking at what detailed studies and controlled tests actually say.

HTX Studio, a YouTube channel decided to tackle the fast charging question head-on. They picked up 40 fresh smartphones - half iPhones, half Androids and split them into two groups. One group always used fast chargers from the original brands. The other group stuck to regular, slower chargers. Over two years and 500 charging cycles per device, they tracked battery health and capacity...