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I am converting a vintage camcorder to use a lithium ion battery instead of the old lead-acid battery which came with the camera. It's from 1989: Panasonic OmniMovie X6 CCD. Has anyone done a similar battery conversion?
I opened the camera and cut out the original battery terminals, then soldered the wires to output from a lithium pack I got. The camera functions with this battery, but dies within 1 minute as the camera reads a very low battery level (it's charged). The lithium pack I had on hand is less capacity than the original battery. Could this be why the camera thinks its level is low? My understanding is that the camera reads voltage level to determine how much battery life remains, but perhaps the power draw is too great for the smaller capacity battery.
These are the battery specifications
Original: 12V 2300 mAh lead acid
New: 12.6V 1800 mAh Li ion
Camera power consumption per manual
On battery: 12 V DC 14W (max 24W)
On AC adapter: 40 W
