Our battery testers have 3 types.Analog battery tester, digital battery tester with PC printer and digital battery tester with build-in printer.Analog battery testers are the models as BT001 and BT005. they can test 6 and 12 volt batteries up to 1000 CCA. and digital battery tester BA106 with the red cover can test 12V lead acid & lithium battery. digital battery tester BA1000 with yellow cover can test and print via built-in printer.For these battery testers, they can test the batteries of car, motor vehicles, light trucks, RVs, motorbikes, boats, ATVs and even law tractors. thus, they all are great all-rounder and be able to test the battery condition and run a complete system charging diagnosis.