Description

This is a tiny and compact digital Battery Level Indicator with an LED Display. The 13V Two-Wire Digital Display Battery Level Indicator requires only a few minutes of configuration and is as simple as directly connecting wires to the source you want to measure and seeing the LED blink!!!!
Power Level：

L1: 11 V
L2: 11.6 V
L3: 12.3 V
L4: 13 V

The red wire is connected to the positive pole, the black wire is connected to the negative pole. No need to worry even if there is any connection mismatch of the wires, the electric circuit won??t be a boom because it features reverse polarity protection.

Features:

Battery type electricity quantity display.
Wide application fields: lithium battery.
Using Method: connect the display board??s positive and negative ports with the tested battery??s positive and negative port, and the digital tube will display real-time battery electricity quantity.
Digital Color: outline red, display block blue (when battery electricity quantity is full, it will be all on).

Package Includes:
1 x 13V Two-Wire Digital Display Battery Level Indicator