20040 - Battery Doctor® Instant State of Charge Tester multi-bank No special tools are required-

No special tools are required- No AC power is required to run the timer- Mounting screws are covered by the sturdy press-fit skirted knob- No specialty tools required

• Cable: 18 inches long

Because of the high voltage levels required for recovery

• Compatible with the GB20

20040 - Battery Doctor® Instant State of Charge Tester multi-bank No special tools are required-Battery Doctor Instant State of Charge Tester A state of charge battery tester is an electric device that is designed to test the life and chargeability of an electric battery. A state of charge tester can provide the current charging state of a battery and its voltage output, while detecting any flaws that may affect the battery's overall performance.