Battery Alternator Tester | Performance Tool W2989
This Battery Alternator Tester from Performance Tool is designed for ease of use. It simply plugs into your 12V cigarette lighter for a quick test of your batter and alterntor. A very handy item and can be thrown in your glove box for storage.
- Designed for easy use
- Tests both battery and alternator
- Plug into the 12V cigarette lighter in your car, the LED indicators will show you the status of your battery and alternator
- 3 LED indicators to show the battery condition: weak, normal or strong
- 3 LED indicators to check the status of the alternator voltage: low, normal, or high
- Works on any 12 volt system
- Compact design for easy storage
- A handy item for your glove box for a quick diagnosis
