12V/24V Automotive Battery Tester

12V/24V automotive battery tester can automatically detect battery voltage is 12V or 24V. It has a function switch for choosing loading test or battery test and 7 LED lights for showing test result.

Specification:

Tips: How to read a 12V/24V battery tester?
12V/24V battery tester can automatic detect the automotive battery type. There are 7 LED lights on the panel. The first light will indicate battery type. Green light indicates it is a 12V battery, red light indicates the current battery is 24V.
After confirm clearly the battery type, there is a switch to select loading test or battery test, which is under the LED lights.
When switch to load test, the 6 LED lights will indicate load capacity of battery. Light 2&3 turn green means battery in good condition with good loading level. Light 4&5 turn yellow means battery in normal condition with normal loading level. Light 6&7 turn red means battery with bad loading level.
When switch to battery test, the 6 LED lights will indicate different condition. It could reference 12V car battery tester.

1. Alternator state test
   Light 2 turns to red/Fault: Voltage is too high.
   Light 3 turns to green/Good: Voltage is good.
2. Battery state test
   Light 4 turns to green/Full: Battery is fully charged.
   Light 5 turns to yellow/Middle: Battery is normal.
   Light 6 turns to red/Low: Battery level is low, need recharging.
3. Check before charge
   Light 7 turns to green/OK: Pre-charge check is ok. Battery can be recharged.