The Save-A-Battery Digital Battery Tester connects easily into any cigarette lighter or auxiliary power ports. Has a 3-digit L.E.D. digital display and is small, compact and easy to use and read. Works on both 12 & 24 volt vehicles. Monitors the exact voltage of the battery, tests how sulfated a battery is and indicates how much life is left. It can also test the vehicles charging system to show that the Alternator or Generator is working properly and maintaining proper battery voltage.
Reads and monitors battery condition & life
Works on both 12v & 24v systems
Tests charging system/Alternator
Monitors voltage drop
Lightweight, compact, and easy to read
No sparks polarity protection