Battery Tester
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Ferret Instruments Battery Tester

Part No. FER40 Warranty Details  
Test 6 and 12 volt battery, charging and starting systems with a tester that is built tough for the shop environment
Large LCD displays for readability; controls are easy to understand and use
A Load Timer Lamp flashes once per second while load is on; beeper sounds after 15 seconds of load
Diode/Stator Lamp lights when amp probe senses ripple; quickly shows bad alternators
Fan cooled carbon pile tests all types of automotive and marine batteries Easily tests batteries up to 1200 CCA.
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