1 / 5Jesverty SPS-3030H 0–30V, 0–30A Bench Power Supply
The Jesverty SPS-3030H is a variable benchtop DC power supply listed with 900 watts of maximum power. Its encoder adjustment, output on/off button, and OVP and OCP protections are intended for controlled electronics work, but the listing’s input-voltage detail and shipment-specific power-cord settings need checking before purchase.
At a glance
- Encoder adjustment is listed with 0.01V/0.01A setting resolution.
- A dedicated output button is intended to switch output on or off while changing settings.
- The listing names over-voltage and over-current protection, plus a temperature-regulated cooling fan.
- Compact dimensions and listed weight may suit a crowded workbench.
Often bought together
Pros and cons
Pros
- Output on/off control can let users change settings without removing the load, according to the listing.
- Encoder adjustment and stated fine setting increments offer more controlled setpoint entry than basic coarse and fine knobs.
- OVP and OCP are specified, with a temperature-regulated fan also listed.
Technical specifications
11 specifications| Brand | Jesverty |
|---|---|
| Model | SPS-3030H |
| Maximum power | 900 watts |
|---|---|
| Maximum current listed | 30 A |
| Connector type | Banana Jack |
| Setting resolution | 0.01V/0.01A |
|---|---|
| Protection listed | OCP, OVP |
| Form factor | benchtop |
|---|---|
| Weight listed | 3.62 kg |
| Dimensions listed | 13.2(D)x8.4(W)x6.5(H)inches |
| Material listed | Plastic, Polycarbonate (PC) |
|---|
What to know before buying
Listing details to confirm
The listing details are inconsistent or unconfirmed: the title claims a 0–30V, 0–30A range and 900W, while the technical details provide 30 volts DC and 30 A without a range, and the listed 110-volt AC input is malformed. The feature text gives approximate weight of 6.6 lb while the details list 3.62 kg, and shipment-specific AC input settings and power cords may vary. Confirm the required input configuration and output range for your intended use.
Who is it for?
A good fit for
- Electronics repair and DIY work needing an adjustable benchtop DC supply.
- Lab, educational, or manufacturing-test setups where the claimed output-control button and OVP/OCP are useful.
- Workbenches where compact listed dimensions are a consideration.
Less suited to
- Buyers who need a confirmed AC input configuration without checking shipment-specific settings.
- Users who require verified output performance figures or a clearly specified complete voltage range before selecting a supply.

Customer reviews on Amazon
- 5 stars
85% 85% - 4 stars
11% 11% - 3 stars
0% 0% - 2 stars
4% 4% - 1 star
0% 0%
Aggregate ratings skew strongly positive, with a small number of ratings overall and a small two-star share. This provides only a broad satisfaction signal, not specific evidence about output accuracy, protection behavior, or long-term reliability. Buyers should base those requirements on the listed specifications and confirm the unresolved input details.
Frequently asked questions
What controls does the Jesverty SPS-3030H list?
The listing describes an encoder adjustment knob with 0.01V/0.01A setting resolution and a separate output on/off button.
Which protections are specified?
The listing specifies over-voltage protection (OVP) and over-current protection (OCP), and also describes a temperature-regulated cooling fan.
Does the listing clearly establish the input configuration?
No. The technical details contain a malformed 110-volt AC input value, and the listing says AC input settings and power cords vary by factory shipment. Confirm the configuration for the selected listing.
What is stated about the included items?
The listing’s package details name one SPS-H unit, one power cord, and one instruction manual. The feature text describes the unit as SPS-H/HP, so check the selected listing and shipment configuration.

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