battery

I;m trying to get back into the forum

Philips Part number 989803152881

Can order through partssource as well.

989803152881 Philips Healthcare (Medical Supplies) BATTERY RECHARGEABLE, LITHIUM POLYMER, 3.7V, 1.8 AH (INVIVO PM) : PartsSource : PartsSource - Healthcare Products and Solutions

Definitely not cheap, and plan on the little clips breaking off, its a known issue that the vendor is still 'working on'.

Received the website.  Thank you very much. I've been reading about the tabs.  9 years "working on it".  Right!  The price is almost as much as the big batteries for the whole unit, exceot the unit uses 4 at 14.8 volts.