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HP iPAQ H3850 Battery Replacement

Introducción

This guide provides clear, step-by-step instructions on how to safely remove and replace the battery in the HP iPAQ H3850.The HP iPAQ H3850 uses a rechargeable lithium-ion battery. Over time, the battery may lose its ability to hold a charge, making replacement necessary.

Common signs that your battery needs replacing include:

  • Device fails to power on without being connected to a charger
  • Rapid battery drain despite minimal use
  • Battery does not charge to full capacity
  • System warnings indicating battery issues

For more troubleshooting steps, visit the HP iPAQ H3850 Troubleshooting.

Safety

Swollen Batteries: If you notice a swollen or deformed battery, avoid puncturing or mishandling it, as this could pose a safety risk. What to Do With a Swollen Battery

Proper Disposal: Dispose of old batteries according to local electronic waste regulations—never discard batteries in regular household waste.

Qué necesitas

  1. HP iPAQ H3850 Battery Replacement, Battery: paso 1, imagen 1 de 2 HP iPAQ H3850 Battery Replacement, Battery: paso 1, imagen 2 de 2

    • Place the device on a flat surface with the screen facing down.

    • Use a screwdriver to remove four screws from the back cover of the device.

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  2. HP iPAQ H3850 Battery Replacement: paso 2, imagen 1 de 1

    • Push and release the SD card on edge of the device.

    • Slide the SD card out.

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  4. HP iPAQ H3850 Battery Replacement: paso 3, imagen 1 de 1

    • Insert the end of a spudger between the front and back cover and slide it around the edge to release the clips holding them together.

    • Pry them two halves but don't pull them apart as it is still connected by a cable.

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  5. HP iPAQ H3850 Battery Replacement: paso 4, imagen 1 de 1

    • Place a spudger or opening tool under the connector's edge and pry straight up to disconnect the yellow cable from the motherboard.

    • Make sure to pry under the edge of the connector itself, and not under the socket on the board. Otherwise, you risk permanently damaging the socket.

    • Work carefully: don't pry on or accidentally scrape any small, surface mounted components on the board.

    • To reconnect, align the connector carefully over its socket and press down with your fingertip—first on one of the short sides, then the other—until it clicks into place. Don't try to force the connector into place. If you're having trouble, reposition it and try again.

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  6. HP iPAQ H3850 Battery Replacement: paso 5, imagen 1 de 1

    • Using an iOpener to heat the battery cover and loosen the adhesive holding the battery to the chassis.

    • The glue holding in battery should now be loosened.

    • Use plastic opening tool to remove battery from the back cover.

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  7. HP iPAQ H3850 Battery Replacement: paso 6, imagen 1 de 1

    • Once the old battery is removed, scrape off the old adhesive from the device backing with the prying tool.

    • To attach the new battery, apply an adhesive to each corner of the backing where the battery sits and place the device into the backing.

    • Allow the adhesive to set for half an hour.

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Conclusión

To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.

3 personas más completaron esta guía.

3Guía Comentarios

Does anyone know where nowadays is it possible to get one of those batteries? I’ve been all over the internet and so far found zero… ?

in_sympathy - Contestar Compartir

HI @alexanderre! I have no idea if you're still looking for this battery or not, but if you are, post this question on the Answers forum. More eyes will see it there.

Amber Taus - Compartir

Hi @amber

Thanks for a hint, will do 🙏

in_sympathy - Contestar Compartir

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