batteries, the combination of Cranking Health and Battery Life test results can be used to help identify other battery and
system problems, and better inform a battery diagnosis. Use the test comparison table to identify possible testing errors,
and electrical system problems.
Battery Life Test Results (BL)
0% FAIL ~ 1 – 50% WARNING 51 – 100% PASS
Cranking
Health Test
Results
(CH)
0%
FAIL
TESTS AGREE
FAIL: Replace
Battery Now
1. Check Correct
Rating Entered in
tester and retest
2. Check/repair
Starting System
and retest
3. Check Battery
Size (too small?)
1. Check Correct Rating
Entered in tester and
retest
2. Check/repair Starting
System and retest
3. Check Battery Size
(too small?)
1 – 50%
WARNING
1. Check
Correct
Rating
Entered in
tester and
retest
2. Check battery
size
(too large?)
TESTS AGREE
WARNING: Replace
Battery Soon
1. Check Correct Rating
Entered in tester and
retest
2. Check/repair Starting
System and retest
3. Check Battery Size
(too small?)
51 – 100%
PASS
1. Check
Correct
Rating
Entered in
tester and
retest
2. Check battery
size
(too large?)
1. Check Correct
Rating Entered in
tester and retest
2. Check battery size
(too large?)
TESTS AGREE
PASS: Battery OK