Entry-Level Battery Tester: Test and analyze your 12 V lead-acid battery with ease. Tells SOH (State of Health), SOC (State of Charge), Voltage, Current, Rating, and many other readable analysis results. Compatible with 100~2000 CCA regular flooded, AGM flat plate/spiral, EFB, and GEL for optimum performance. Wide Application: A safe-to-use passive testing method allows this 12 V battery load tester only to be powered up once it's correctly connected. You don't need to charge it before having accurate battery test results for a variety of vehicles: cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, lawnmowers, and even golf carts. 3 Testing Functions: 1. Battery health test - tell if the battery is in good working condition; 2. Cranking test - see if the electrical system has enough power to start the engine; 3. Charging systems test - check if the generator/rectifier diode/charging current is normal. This handy auto battery analyzer makes sure your summer road trips won't end on a flat. Test with Little Fuss: Designed with 3-color LEDs on the unit so you can quickly identify battery health status. Thanks to its menu-driven operation it's fairly straightforward to use. The premium-quality copper clamps feature polarity reverse protection and spark proof, for a stable and safe connection in the testing process. Solid Choice: Small and compact, TOPDON BT100 can easily be stored in a glove box or center console. Fast and accurate, this battery load tester will quickly help you determine if your car battery needs a jump start, or to be changed. A great option for automobile workshops, garages, and DIY users who need to check batteries on a regular.