Acura NSX 1991 Manual page 738

Main Menu
Battery
Component Location Index
Replacement
1. Remove the spare tire and the spare tire holder.
2. Disconnect both the negative cable and positive cable from the battery.
3. Remove the battery holder, then take out the battery.
Table of Contents
BATTERY HOLDER
SPARE TIRE HOLDER
BATTERY
Type: 80D26L (A/T)
70D23L (M/T)
CHECK INDICATOR
HEAT SHIELD
SPARE TIRE