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This guide will outline the battery replacement process


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  1. HP iPAQ H3850 Battery Replacement, Battery: étape 1, image 1 de 1
    • To begin the disassembly of the device, place it on a flat surface with the screen facing down.

  2. HP iPAQ H3850 Battery Replacement: étape 2, image 1 de 1
    • Remove the four screws found on the back cover of the device.

  3. HP iPAQ H3850 Battery Replacement: étape 3, image 1 de 1
    • Remove SD card on top of device by pushing and then releasing.

  4. HP iPAQ H3850 Battery Replacement: étape 4, image 1 de 1
    • Carefully remove the back cover using the spudger against the grooves along the sides of the iPAQ.

  5. HP iPAQ H3850 Battery Replacement: étape 5, image 1 de 1
    • Using the plastic opening tool, carefully detach the yellow ribbon from the connector pins to separate the device into two halves.

  6. HP iPAQ H3850 Battery Replacement: étape 6, image 1 de 1
    • Using a heating pad or blow dryer, heat the back of cover until warm.

    • The glue holding in battery should now be loosened.

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

  7. HP iPAQ H3850 Battery Replacement: étape 7, image 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


To reassemble your device, follow these instructions in reverse order.

2 autres ont terminé cette réparation.

Nick Hilzendeger

Membre depuis le 07/04/2015

404 Réputation

2 tutoriels rédigés

3 commentaires

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… ?

alexanderre - Réponse

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 -

Hi @amber

Thanks for a hint, will do 🙏

alexanderre - Réponse

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