Product Description Our battery monitor use high-end chip, and the voltage test range is 7-100V, 12V,36V,48V,60V,72V and 84V batteries can be used,It does not generate heat even when used at high voltages with high safety .It not only accurately test the voltage, the remaining capacity of electricity, show the percentage of capacity with the memory of power-off but also it with low and high voltage buzzer alarm.The battery tester with power-off memory function,it can retain settings when power is removed.The products have obtained CE certificatio