Honda Acura NSX 1991 Service Manual page 1054

Battery
l Batterv fluid (electrolyte) contains sulfuric acid. It may cause severe burns if it gets on your skin or in your eyes.
Wear protective clothing and a face shield.
immediately.
A battery gives off hydrogen gas. If ignited, the hydrogen will explode and could crack the battery case and splatter
l
acid on you. Keep sparks, flames, and cigarettes away from the battery.
Overcharging will raise the temperature of the electrolyte. This may force electrolyte to spray out of the battery
vents. Follow the charger manufacturer's instructions and charge the battery at a proper rate.
If you're using a computerized battery tester, follow the test procedure provided with it. If you don't have a computer-
ized tester, follow this conventional test produre:
To get accurate results, the temperature of the electrolyte must be between 21 OC (70°F) and 38'% (lOOoF).
EYE Indicates OK
Test Load Capacity WI 1
Apply 300 amp load for 15 seconds to remove
l
surface charge.
Allow 15 seconds recovery period.
l
Apply test load (see Test Load Chart).
l
Record voltage at the end of 15 seconds.
l
I
23-68
Check For Damage
If the case is cracked or the posts are loose,
replace the battery.
Check Indiiator EYE Color
If the indicator shows low electrolyte, add
distilled water if possible.
I