XCSOURCE Waterproof 12/24/36/48V LCD Lead-acid Battery and Lithium Battery Capacity Tester Voltage Meter Monitor Blue Backlight for Vehicle Battery BI728
[Product Information]
Waterproof shell with a button for switching from Capacity, Voltage and Turn off.
Monitoring the battery capacity and voltage by this mini tester. Easy to read the value in dark environment with the blue backlight.
Automatically turn into sleep mode in 10s for saving the power.
Suitable for testing the capacity of 3.7V Lithium Batteries or Lead Acid Batteries.
Simple connection with reverse protection, won't burn if connect reversely.