BERLIN: If your phone or laptop's battery level drops suddenly and unexpectedly, you may need to recalibrate your device so it can correctly recognise the battery’s maximum available capacity. 100% sounds good but isn’t for batteriesGenerally speaking, however, charging the battery to 100% isn’t ideal for battery health. For iPhones, this feature has been available since iOS 14 as Charging Limit under Settings > Battery > Battery Health & Charging. Laptops often have charge limit feature tooYour laptop battery will also benefit from a charging window between 20% and 80%. And there are also models where you can set a charge limit of 80% in the BIOS menu.

Source: The Star April 07, 2026 22:55 UTC