Come sostituire la batteria di un telefono vintage: guida completa
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How to replace the battery of a vintage phone: complete guide
One of the most common problems with vintage mobile phones is battery failure. Old batteries swell up, lose capacity or stop charging. This guide will help you replace them safely.
Identifying the battery model
Remove the back cover and look for the battery model number (for example Nokia BL-5C, Ericsson BUS-11, Samsung EB494358VU). Note it down.
Where to buy compatible batteries
- eBay: search for your battery model + "compatible" or "replacement".
- Amazon: many sellers offer third-party batteries.
- Specialist shops: some online shops specialise in spare parts for vintage phones.
Safety tips
- Never use a swollen battery: it could leak fluid or catch fire.
- Dispose of used batteries at the appropriate recycling collection points.
- Fully charge the new battery before first use.
Step-by-step replacement
- Turn off the phone and remove the back cover.
- Remove the old battery carefully, without damaging the connectors.
- Insert the new battery aligning the contacts correctly.
- Replace the cover and charge the phone.
Extending battery life
- Avoid leaving the phone charging overnight.
- Store unused phones with a battery charge between 40% and 60%.
- When possible, use original chargers.
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