Toviyon
30V 10A DC Power Supply Variable, Adjustment Bench Power Supply with Encoder Knob, 4 Memory Presets, OCP/OVP Protection, USB-A and Type-C Fast Charge and Key Lock for Repair Lab DIY
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies 30V 10A DC Power Supply Variable, Adjustment Bench Power Supply with… as a solid pick with broad community endorsement in the accessories category, based on 13 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Toviyon'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 accessories 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 Toviyon'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
- 【4-Digit High-Precision Display】0.001V / 0.001A High-Resolution Four-Digit Display — Simultaneously reads and controls voltage and current with laboratory-grade accuracy. The encoder knob allows for ultra-fine stepless adjustment — ideal for electronics repair, PCB testing, battery charging, and DIY projects.
- 【4 Groups of Storage Memories】Save up to 4 custom voltage/current settings (e.g., 5V/2A, 12V/1A) and recall them with one click. Eliminates repetitive adjustments for frequent tasks, boosting efficiency in production lines, DIY projects, or daily lab use.
- 【Precision Encoder Adjustment】Adopts a high-precision rotary encoder for smooth and accurate adjustment from 0 to 9 in sequence, allowing fine-tuning and quick setting of voltage and current parameters with better hand feel and higher efficiency than traditional buttons.
- 【OVP & OCP Protection】Built-in Over-Voltage Protection (OVP) and Over-Current Protection (OCP) automatically cuts off output when values exceed safety limits. Safeguards your valuable devices (e.g., phones, circuit boards, sensors) from damage due to voltage/current surges.
- 【Multiple Safety Guards】Includes short-circuit protection (instant shutdown on short circuits) and intelligent temperature control (auto-cooling or power reduction if overheated). Enjoy worry-free use with comprehensive safeguards against electrical hazards.
- 【One-Click Output Lock】Prevent accidental changes to settings with the one-key lock function. Perfect for busy workbenches, shared labs, or mobile use—ensures stable power supply without misoperations that could ruin experiments or damage equipment.
Full Specifications
| Brand | Toviyon |
|---|---|
| Wattage | 300 watts |
| Connectivity | USB-C |
| Built-In Media | Dc Power Supply*1 Power Cable*1 Output Cable*1 User Manual*1 |
| Connector Type | IEC320 C13/C14 Connector |
| Cooling Method | Air |
| Current Rating | 10 Amps |
| Output Wattage | 300 Watts |
| Item Dimensions | 6.1 x 8.3 x 3.5 inches |
| Mfr Part Number | TPA |
| Compatible Devices | Printer |
| Warranty Description | 1 Year Manufacturer |
| Minimum Input Voltage | 90 Volts (AC) |
| Item dimensions L x W x H | 6.1 x 8.3 x 3.5 inches |
Ready to buy?
30V 10A DC Power Supply Variable, Adjustment Bench Power Supply with Encoder Knob, 4 Memory Presets, OCP/OVP Protection, USB-A and Type-C Fast Charge and Key Lock for Repair Lab DIY 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.
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