Can also be used to test starter draw and charging system voltage using the open-circuit voltage meter function with the high-low-normal voltage matrix on the tester face Unique "test and hold" feature locks the under load voltage reading for easy comparison to the pass/fail test matrix True battery resistance tester that applies a resistance load that duplicates starting load conditions Maximum starting resistance load: up to 400 CCA, 0-15V Resistance load is auto-timed for increased accuracy Includes safety reverse polarity indication Built-in wall hanger. BATTERY TESTER LOAD