2PACK 12V Car Battery Tester and Alternator Tester,Test Battery Condition & Alternator Charging, LED Indication 12 Volt Auto Check for Automobile
Applications： The car battery tester is for all 12V charging systemLamp Status
Meaning-4：Display 4:”Low” led on, ”Middle” led twinkling;Testing results:
11.6-12V Charging Voltage, Middle charged Battery, better being charged
sooner.Package： 2PACK 12V Car Battery Tester and Alternator Tester
 
Product Features
  

         
LED display indicates condition, for 12V battery only. such as Cars(Not only the gas cars, but also for Hybrid electric cars), SUVs and motorcycles.
         
BM310 car battery tester is an easy-to-use tester built to facilitate the repairs and maintenance in car battery system for DIY amateurs or professionals.
         
12V Car Battery and Alternator Tester;Using Pure copper wire and clip which is good conductivity(accuracy reaches 0.1V) can accurately read the battery voltage,even if your car has not shown it, it can give you an early warning.
         
The shell is designed in one piece, which is not easy to rust and lasts for a long time. Works on 12V Vehicles:CARS / SUV / LIGHT TRUCK / MOTORCYCLE
         
6 LED light: 2 red, 3 green and 1 yellow; green means good/full, orange means middle, red means low. Intuitive, simple and clear.