Adjustable Voltage Regulator,LM317 Adjustable Voltage Regulator Power Supplement Board Digital Voltage Display
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies Adjustable Voltage Regulator,LM317 Adjustable Voltage Regulator Power… as a solid pick with broad community endorsement in the power protection category, based on 35 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Keenso's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.2★ customer rating
- ✓ Backed by Keenso's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 【Internal Configuration】-- Using duplex adjustment potentiometer. double-sided circuit board.Adopt high-frequency power supplement dedicated capacitor, more
- 【Main Function】-- 317 Voltage Regulator can be connected to the load within 2A, AC or DC input voltage, the output voltage is DC 1.25V-28V continuously adjustable.
- 【Digital Tubes】-- Add digital tubes to display output voltage, the output voltage is clear at a .
- 【Warm Tips】-- Due to the working voltage of digital tubes is 4.5V, our variable voltage regulator displays normally only when the voltage is higher than 4.5V.When inputting 5V, it can output 1.25-2V and won't output a higher voltage.
- 【Heat Dissipation】-- With a heat sink, the voltage booster can dissipate heat quickly when the product works to cause temperature rise, and the heat dissipation effect is good.
Full Specifications
| Brand | Keenso |
|---|---|
| Color | Multicolor |
| Plug Type | Type A or Type B |
| Model Number | Keensodyaqxcpt2n |
| Input Voltage | 20 Volts, 28 Volts, 5 Volts |
| Output Voltage | 5 Volts |
| Item Dimensions | 2.36 x 2.83 x 1.06 inches |
| Mfr Part Number | Keensodyaqxcpt2n |
| Number of Outlets | 1 |
| Item dimensions L x W x H | 2.36 x 2.83 x 1.06 inches |
Ready to buy?
Adjustable Voltage Regulator,LM317 Adjustable Voltage Regulator Power Supplement Board Digital Voltage Display is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.