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Overnight charging warning reaches UK households
Experts urge unplugging devices after charging to protect battery life and save on future repair costs.

Experts say overnight charging harms lithium-ion batteries and could raise repair costs for households.
UK households urged to avoid overnight phone charging
British households are being urged not to leave phones charging overnight. Tech experts say heat and continuous trickle charging can degrade lithium-ion batteries, and that a battery replacement can cost over £100.
Experts advise charging during the day, aiming for partial charges, and using slower chargers. They also point to built-in features such as Apple's Optimised Battery Charging and Samsung's Protect Battery mode, which delay charging past 80 percent until needed.
Key Takeaways
"Most people don't realise that overnight charging is one of the worst things you can do to a lithium-ion battery."
Outplayed spokesperson on overnight charging harms battery life
"It's convenient, but convenience often comes at a cost."
Outplayed spokesperson on habits versus costs
"The battery is working overtime to manage this constant input, which wears out the cells much faster than you'd expect."
Explanation of trickle charging and its impact
"Heat build-up is the primary culprit for killing your phone."
Technical explanation of heat as a factor
The warning reflects a shift in how people think about devices. Longevity matters as battery technology becomes central to daily life. Companies design charging features to reduce heat and wear, while consumers face higher upfront costs if they ignore guidance.
The message also raises questions about how best to balance convenience with care. If millions adjust habits, it could change charger sales, repairs, and even how retailers market devices.
Highlights
- Heat is the silent battery killer.
- Charge during the day and unplug when full.
- A smarter charge keeps phones lasting longer.
- Small habits save big on battery replacements.
Financial impact of overnight charging guidance
The advice links battery longevity to household costs, including potential battery replacements and higher energy use. It may affect consumer budgets and spur demand for smarter chargers or repair services.
Battery care today shapes devices tomorrow.
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