Mouse over to zoom in

DC 12V Voltage Detection Charging Discharge Monitor Test Relay Switch Control Board Module

DC 12V Voltage Detection Charging Discharge Monitor Test Relay Switch Control Board Module

Price on the app only:

Already have TOMTOP APP

Scan the product's code to buy directly!

Note: Please update TOMTOP App to the latest version.

Don't have TOMTOP APP

Download freely and enjoy extra offers!

Ship From:
  • China Warehouse
Usually will be shipped in business days hours
The request failed! Please try again.
Sorry, it seems that there are no available shipping methods for your location.Please contact us for further assistance.


Ship to

United States
Stock in: china

Special discount has ended

Please note each user for only 1 item(s)

Preorder Add To Cart Out of Stock

Arrival Notice

if the goods arrival in 90 days,we will inform you by email!


Arrival Notice

Notification Subscription Success!

if the goods arrival in 90 days,we will inform you by email!

Notification Subscription Failed!

Error appeared,Please try again later!

Arrival Notice
Add to Favorites


Digital display DC voltage detection, control the relay output.
Adjustable voltage limit: 0-99.9V.
When the measured voltage is lower than the lower limit or higher than upper limit value, the relay works.
Can be used for voltage detection switch, battery over/under voltage protector or discharge meter.

The relay control panel features single mode voltage detection function.
Max. trigger current is 10A(AC 277V, DC 30V), please don't connect it with load over DC 30V.
This relay module is not suitable for lithium battery discharge.
Polarity for voltage detection can't be connected reversely, user should connect the wire after power off.

Relay Voltage: DC 12V
Working Power: DC 10-16V
Voltage Detection Range: DC 0-99.9V
Error: +/-0.1V
Timing Range: 0-999 minutes cycle
A set of transformations(normally open/normally closes)
Contract Load: 10A/277V AC, 10A/30V DC
Contract Resistance: ≤100mΩ(1A-6V DC)
Mechanical Durability: >10 million times
Electrical Durability: >100,000 times (10A-250V AC)
Standby Current: 16mA 12V, Digital Display Closed Smallest 6mA/12V, Relay Timely 45mA/12V
Working Temperature: -40-85°C
Dimension: 50 * 40 * 20mm
Weight: 27g / 0.95oz

Package List:
1 * Relay Switch Control Module


Post a new topic

Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at

open this forum in full page
Customer Reviews

Average Rating:


based on 5 Customer Reviews

  • 5 stars
  • 4 stars
  • 3 stars
  • 2 stars
  • 1 stars

Share your thoughts with other customers and get Tomtop Points, the first 5 reviews get DOUBLE Tomtop Points!

Write a Customer Review
  • By l***f

    December 12, 2017

    very good, I bought a second one.

    Is this helpful? (0) (0)

  • By l***f

    December 12, 2017

    Very good! I got a second one

    Is this helpful? (0) (0)

  • By p***f

    December 3, 2017

    Excellent quality and fast ship.

    Is this helpful? (0) (0)

  • By M***2

    October 28, 2017

    Quick delivery. Good product, exactly as described and sold at a fair price. A++

    Is this helpful? (0) (0)

  • By s***s

    April 19, 2017

    Exelend seller !! Fast shipping. Tnx :-)

    Is this helpful? (0) (0)

Hot Event More

Top Sellers More

Please activate your account and then to buy,We will resend the activation email to help you complete your registration.

Recently Viewed