PZEM 004T 4.0 Version Single Phase Wattmeter Kwh Meter TTL Modbus-RTU 220V 100A Electricity Volt Amp Frequency Energy Meter
Quick answer
Is $20.14 a good price for PZEM 004T 4.0 Version Single Phase Wattmeter Kwh Meter TTL…?
Yes: at $20.14 it is 5% below the typical price of $21.12 that DipScout measured over the last 9 days, a real drop. Tracked since Oct 23, 2026, it ranged from $20.14 to $21.12.
$20.14
Today it costs $20.14 on AliExpress. Since Oct 23, 2026, when we started tracking it, it ranged from $20.14 to $21.12. It is 5% below the typical price of $21.12 that we measured: a real drop.
You save $0.98 · was $21.12
Drop confirmed by our price history: we tracked the price over the last 9 days and the typical price (time-weighted median) was $21.12.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$20.14↓ 5% below typical
Lowest$20.14since Nov 1
Highest$21.12Oct 23 to Nov 1
typical price: median of the last 14 daysTracked since Oct 23 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 1, 15:13 UTC | $20.14 | −5% |
| Oct 23, 02:06 UTC | $21.12 | start |
| Store | peacefair Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 2 |
| First seen | |
| Last reading |