ACT Meters GOLD-PLUS 6V/12V Battery Tester - Manual (Page 9)

Operating Instructions
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9
STEP 9
If required, press the test button again to verify the Ah reading
obtained. NOTE: Ah capacity available is determined by battery
temperature and state of charge.
Recharge or replace when Ah capacity available in the battery
falls below 65% of the stated battery Ah size. Check results
against the table found on the reverse side of the tester to
‘FLAT BATTERY’ indicates low battery voltage or Ah capacity.
Recharge or replace the battery and retest.
‘HIGH VOLTAGE’ indicates that the input voltage exceeds 15V.
REMOVE IMMEDIATELY
TEST COMPLETE
FLAT BATTERY
HIGH VOLTAGE