Ultra-thin Electricity display, 5 LED indicators, display more intuitive and more beautiful.3.7V lithium battery, full charge 4.2V. Connect the positive and negative terminal of the display board and connect it to the positive and negative ends of the battery to be tested. Lightly press the red button with your finger and the IED lamp lights up to show the real-time battery power. Loosen your finger and the LED light will be extinguished after 3-5 seconds of delay. No power will be consumed during static operation.3.7V lithium battery uses a red power indicator, 4 green power indicator (the other voltage range is 1 red power indicator, 4 blue power indicator) Package Included:2Pcs 3.7V Li-ion Battery Power Level Indicator Module For Led Voltage Display Meter(If there are any problems with the product, please send us pictures?Tell us more details about this problem? ). Thank you so much for your purchasing from our store.Any question ,please feel free to contact us.

3.7V Li-ion Battery Power Level Indicator Module For Led Voltage Display Meter

Features:

Display Electricity Quantity Parameter:（The following data is a reference value, there will be 2% error range）

1.When battery voltage is over Nx3.2V, it will illuminate 1 block electricity quantity (note: N represents battery quantity)

2.When battery voltage is over Nx3.4V, it will illuminate 2 blocks electricity quantity

3.When battery voltage is over Nx3.6V, it will illuminate 3 blocks electricity quantity

4.When battery voltage is over Nx3.8V, it will illuminate 4 blocks electricity quantity

100% new and high quality

Voltage: 3.7V, full charge 4.2V

Display: 5 LED

Dimensions: 1.5x4cm/0.59x1.57inch

Color: As the picture shows

 Weight：10g

Quantity:2Pcs

Note: 

Light shooting and different displays may causethe color of the item in the picture a little different from the real thing.The measurement allowed error is+/-1-3cm.

We highly appreciate all custome rsopinions to improvethe selling, also if anything you unsatisfied, please contact us for probable best solution. Thank you!

Package Included: 

2Pcs 3.7V Li-ion Battery Power Level Indicator Module For Led Voltage Display Meter(If there are any problems with the product, please send us pictures?Tell us more details about this problem? ).