SOLAR BA7 100-1200 CCA Electronic Battery and System Tester Test 12 volt batteries from 100-1200 CCA, operating range from 7-15V Tests multiple battery types, including Conventional, AGM, Gel Cell, Spiral Wound and Deep Cycle Batteries (with a Starting Rating) LED indication of battery and system pass or fail (as applicable), plus presents the derived reading for the battery tested Easy to Use - Operator is guided through each step in the testing process Bright 4 digit LED display is great for bright or low light settings