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Palm handheld modifications

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Several Handheld enthusiasts have successfully documented internal and external modifications to allow longer charge times for their handheld device. Quickly superseding battery technology allows smaller and longer lasting batteries to be placed into the space of the original batteries. Modifications of this type can be technically challenging and will almost certainly void any manufacturer warranty and potentially could damage the modified device permanently.


Clock speed reduction

As the T3 is using a 400MHz processor, using the same 900mAH battery from T1 and T2 just doesn't cut it. The best way to extend the battery life of a T3 is to use clocking software like PXAclocker or Lightspeed. This can give us about 5-6 hours of runtime. However users who uses BT and WIFI extensively will find that even with underclocking, the battery life is still rather short as wireless usage tends to use up more power.

Tungsten T3 Battery Modification

The Palm Tungsten T3 comes with a built in 900mAh rechargeable Lithium Ion Battery. The T1 and T2 also used a 900mAh battery, but because of the upgraded Palm Tungsten T3 processor the battery life is significantly reduced. The modest battery life is the largest criticism of the Tungsten T3 compared to other Palm pilot models.

Several people have successfully documented replacing the built in Li-ion battery with a higher capacity battery, increasing time the T3 can be used without charging.

Replacing the internal battery

A popular method discussed extensively on the brighthand.com and spug.net for modification have involved opening the case and removing the original 900mAh battery and replacing it with various higher capacity batteries.

The biggest problem when upgrading the T3 battery, is that there is limited space within the handheld shell for a larger battery. Hence, modification typically requires some crushing of the replacement battery to make it fit and/or irreversable modification to the internal components of the shell (for example the stylus holder). Another problem is that Lithium-Ion batteries require a regulator circuit to regulate battery charge preventing damage, and so replacement batteries either require to have a built in one or a grafted regulator circuit added.

The battery replacement process

To be added

External power modifications

PalmOne released a Power2Go modification which allows the palm device to receive charge from an external battery pack. Homemade devices with higher mAh power supplies have been made by some enthusiasts to increase the external charge.

See also

T3 Battery Replacement

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