Lexus GS300 1998 Owner's Manual page 379

ENGINE
Spark plug – Make
– Gap
– ELECTRICAL SYSTEM
Battery – Maintenance type battery
Specific gravity reading at 20_C (68_F):
Charging rates
– Non–maintenance battery
Open voltage at 20_C (68_F):
Charging rates
366
DENSO PK16TR11
NGK BKR5EKPB11
1.1 mm (0.043 in.)
1.260
1.160
1.060
Quick charge 15A max.
Slow charge 5A max.
12.7V
12.3V
11.9V
[Voltage that is checked 20 minutes after the key is
removed with all the lights turned off]
5A max.
Fully charged
Half charged
Discharged
Fully charged
Half charged
Discharged