The 10 best-selling relay on AliExpress
We picked 10 relay from AliExpress with real orders and good reviews. Prices go from $0.42 to $49.39, the average rating is 4.9 stars and the most popular one has 10k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-54%DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low$1.16 $2.52★ 4.9 · 10k soldView on AliExpress → - 2
-40%XRY DC 5V 12V 24V 1Channel Relay Module Board Shield with Optocoupler / High and Low Level$0.42 $0.70★ 4.9 · 3k soldView on AliExpress → - 3
-27%Car GPS Tracker ST-907 Tracking Relay Device GSM Locator Remote Control Anti-theft Monitor$14.77 $20.19★ 4.7 · 1.2k soldView on AliExpress → - 4
-24%MiCODUS Car GPS Rastreador 4G Tracker MV930G 9-95V Cut Off Fuel Relay GPS Tracker Motorcyc$28.32 $37.50★ 4.8 · 800 soldView on AliExpress → - 5
-67%1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board$1.51 $4.59★ 4.9 · 484 soldView on AliExpress → - 6
-56%2026 KONNWEI KW371 2in1 Car Battery Tester & 4 Pin 5 Pin Relay Tester 6V 12V 24V Fault Data Print$43.02 $98.56★ 4.9 · 200 soldView on AliExpress → - 7
-5%2PCS J16 Pure 4G Vehicle GPS Tracker CAT1 7670SA ACC Relay Battery THINGSYS Car Bus Truck$37.12 $39.13★ 4.9 · 94 soldView on AliExpress → - 8
-67%KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay$1.62 $4.95★ 5.0 · 67 soldView on AliExpress → - 9
-55%9-90V Relay GPS Tracker Car Motorcycle ACC Status DK09 4G Tow Away Power Off SMS Alarm Shock Move$17.55 $39.12★ 4.9 · 49 soldView on AliExpress → - 10
-47%4PIN 24V Relay for Cut Engine 3units ST-901L Car Tracker for Car SUV Truck Bus Mini 4G GPS for$49.39 $93.19★ 4.9 · 38 soldView on AliExpress →
Quick picks
How much to pay
- Budget up to $1.62 4
- Mid-range $1.62 – $28.32 3
- Premium over $28.32 3
Tip: read the latest buyer photos on AliExpress and check the size or model before you order. Products with many orders and a rating of 4.7 or more are usually the safest choice.
Questions
What is the best-selling relay?
The most popular one is "DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low", with 10k orders.
How much does a relay cost?
In this list prices go from $0.42 to $49.39; half of them cost less than $17.55.
Which relay has the best reviews?
"KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay" has an average of 5.0 stars with many orders.
Are there discounts?
Yes. On average these products are 44% below their original price on AliExpress. Prices change often.
Prices and ratings come from AliExpress and can change. We may earn a commission when you buy through our links, at no extra cost to you.