Portable Digital Battery Meter (Indicates the total voltage )
The battery meter weighs only 5.8g and is very useful when running your rc car. It can detect the lithium battery voltage from 1-any cells with an accuracy of 0.03V on a cell by cell basis. It can also indicate the total voltage in the battery pack, which is very convenient for users when you want to quickly check the status of the pack (to know if your battery is fully charge and ready for a run).
With Buzzer Alarm
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