The BAT 135 battery tester with integrated printer tests 6V and 12V batteries from 40 - 2,000 CCA and 12V and 24V charging systems [BATTERY TESTING] - AGM, Gel cell, flooded lead-acid, start/stop EFB and commercial SLI batteries using a micro-load test for proven, accurate results [CHARGING SYSTEMS TESTING] - Test 12V and 24V charging systems with a diode/ripple test [INTEGRATED PRINTER] - Integrated printer captures test results for customer records, presenting state of health and state of charge percentages [DETACHABLE TEST CLAMPS] - Test clamps are detachable, making service or replacement simple and easy [COMPLETE KIT] - Kit includes: tester unit, storage case, detachable cables, AA batteries (6), paper roll, user manual .