6 best relay under $20.00
We picked 6 relay from AliExpress with real orders and good reviews. Prices go from $0.42 to $17.55, 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
-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 → - 5
-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 → - 6
-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 →
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