3.7V~30V 18650 Lithium Battery Capacity Indicator Power Level Li-ion Charge discharge Module 18650 LCD-4S 16.8V

Product features: ultra-thin power display, 5 LED indicators, the display is more intuitive and more beautiful.

Instructions:

1. Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. Pre the red on with your finger and the IED light will illuminate. Display the real-time battery power.

2. Release your finger, the LED light will be off after 3-5 seconds, and it will not consume power when it is static.

3. With re connection function, even if the positive and negative connection will not burn, adjust it.

The lithium battery group displays the power parameter : (The following data is the reference value, there will be a 2% error range) (Note: N is the number of battery segments)

The first power indicator is red

Battery voltage is greater than N × 3.3V, bright second blue

The battery voltage is greater than N × 3.5V, and the third blue is bright.

Battery voltage is greater than N × 3.7V, bright 4th blue

Battery voltage is greater than N × 3.9V, bright 5th blue

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.