Smartphone battery health erodes from heat while charging, experts say

Laboratory thermal‑camera tests show that smartphones can reach internal temperatures above 45 °C when heavy apps such as games or streaming are used during charging. The extra heat accelerates chemical reactions inside lithium‑ion cells, gradually reducing capacity. Modern phones mitigate extreme temperatures with thermal throttling, but regular intensive use while plugged in still shortens battery life. Specialists advise users to let phones rest while charging, lower screen brightness, close demanding apps, and use original chargers that limit overload.

A separate market trend highlights four Brazilian‑released models with exceptionally large batteries – ranging from 6,500 mAh to 7,000 mAh – that promise up to two days of use under moderate conditions. The JOVI T1 5G, OPPO A6 Pro, POCO M8 Pro and Motorola Edge 70 Pro also feature fast‑charging technologies between 80 W and 100 W, enabling a full charge in roughly 30‑40 minutes. These devices combine high‑capacity cells with powerful processors and AMOLED displays, targeting users who need extended battery endurance.