WARNING: This information is provided "as is" with no warranty. Use at your own risk!
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PB300/320 Battery Upgrade

Caution Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system themselves should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.
 
3.6V DC NiCad soldered onto motherboard.