GE Ultrasound S70 battery with BQ20Z65 FW V1.05 blown fuse.
chip can reset but can not charge ,no current
my medical battery no have output too
Did you replace the cells?
Check the fuse.
where is fuse
Remove the black plastic cap and post close up photo.
It should be done at the beginning.
Now provide the pictures so support team could correct the topic.
Check the voltage on MOSFETs, Fuse input and Fuse outputs. Post the values.