Epson EQUITY 386/33 PLUS - Manual (Page 69)

3. The battery is attached to the computer with Velcro.@
Remove the battery by pulling it up from the bottom of the
computer case, as shown below. Then set it aside.
4. Remove the new battery from its package and position it so
the Velcro faces down and the cable faces connector CN1.
Then attach it to the bottom of the computer case, as shown
below.
Installing and Removing Options 4-9