Single to Dual DC-DC Boost Converter Module Positive Negative Output Switching Power Supply, High Efficiency Low Ripple TPS65131
Quick answer
Is $6.91 a good price for Single to Dual DC-DC Boost Converter Module Positive Negative Output…?
It is the usual price, not a deal: $6.91 is in line with the typical price of $7.12 that DipScout measured over the last 5 days. It is the lowest in 5 days, but it has held this price since Oct 27, 2026.
$6.91
Today it costs $6.91 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $6.91 to $7.12. It's the lowest price in 5 days, but it has been at this value since Oct 27, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 5 days. The store advertises "was $8.38", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$6.91lowest ever seen
Lowest$6.91since Oct 27
Highest$7.12Oct 22 to Oct 27
Tracked since Oct 22 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 27, 17:03 UTC | $6.91 | −3% |
| Oct 22, 15:17 UTC | $7.12 | start |
| Store | ElecDemo Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Computer & Office › Computer Components |
| Recorded readings | 2 |
| First seen | 10/22/2026 |
| Last reading | 10/27/2026, 5:03:36 PM UTC |