Best Power Supplies for Ham Radio: Top 5 Regulated Bench Models for 13.8V Operation
Choosing a reliable 13.8V DC power supply is essential for stable ham radio performance, especially when powering transceivers, antenna tuners, amplifiers, and other DC-powered equipment. The following five models from reputable brands provide adjustable or fixed 13.8V outputs, rugged terminals, and useful safety features. This guide compares their capabilities to help you pick a dependable, safe, and compatible bench supply for home or field use.
| Product | Brand | Output | Key Features |
|---|---|---|---|
| BTECH RPS-30PRO | BTECH | 9–15V adjustable (13.8V fixed option) | |
| Jesverty SPS-1330 | Jesverty | 13.8V fixed | |
| Jesverty SPS-30II | Jesverty | 9–15V adjustable (13.8V fixed) | |
| Pyramid PSU990KX | Pyramid | 13.8V fixed (up to 7A) | |
| SKY TOPPOWER PS1330A | SKY TOPPOWER | 13.8V fixed (up to 30A) |
Below are five suitable options arranged for a range of needs—from compact desktops to higher-current bench units. Each entry includes a brief spec overview and notable features to help compare performance, upgrade paths, and reliability for everyday ham radio operation.
BTECH RPS-30PRO 30 Amp Regulated Power Supply
The BTECH RPS-30PRO provides a robust AC-to-DC conversion with a regulated 13.8V output and adjustable 9–15V range. It includes multiple connection options: cigarette plug, screw-type terminals, and snap-in terminals, enabling quick compatibility with diverse DC-powered devices. A switch-activated power control simplifies operation by eliminating the need for an external battery or additional power source. This model is well-suited for CB, ham, GMRS, LMR radios, scanners, and other equipment that benefit from a steady DC supply with low ripple and reliable current delivery.
Jesverty Universal Compact Bench Power Supply SPS-1330
The SPS-1330 from Jesverty is a compact bench supply delivering a fixed 13.8V output at up to 30A. Its small footprint (about 7.5 x 5.9 x 2.36 inches) and light weight make it ideal for desktop setups. Screw-type terminals ensure dependable connections to radio equipment, power adapters, and test gear. This unit emphasizes stable DC voltage with straightforward plug-in operation, suitable for radio enthusiasts who need a reliable bench source without extensive configuration.
Jesverty SPS-30II 30 Amp Bench Power Supply
Jesverty’s SPS-30II combines flexible voltage control with practical output options. It offers 9–15V adjustable output or fixed 13.8V, plus two auxiliary output terminals and a cigarette lighter socket for portable devices. The unit employs screw-type main terminals for robust connections and is designed for quick, reliable power delivery to CB radios, HAM equipment, and related gear in a home lab or on a workbench. The noise offset capability helps minimize switching noise in sensitive radio circuits.
Pyramid PSU990KX Universal Compact Bench Power Supply
The Pyramid PSU990KX delivers 13.8V DC at up to 7A, suitable for a broad range of radio and test equipment. It features dual USB ports for charging and testing, plus universal banana plug connections for easy setup. The user-friendly front-panel arrangement supports quick attachment of load cables and measurement probes. Ideal for hobbyists who need a compact supply that can power radios, scanners, and mobile devices while also serving as a reliable educational tool on a bench test rig.
SKY TOPPOWER STP1330 30A Benchtop Power Supply
The SKY TOPPOWER PS1330A provides a robust 13.8V output with up to 30A capacity, plus a 5V USB charging port for auxiliary devices. A built-in cooling fan helps manage heat during extended operation, contributing to longevity and stability. The front-access design facilitates easy connections for ham radios, transceivers, and related equipment, making it a solid choice for higher-demand setups that require continuous power delivery and safe overload protection.
Buying Guide: Key Purchase Considerations
- Current capability: Match the supply’s maximum current to your radio and accessory draw. For higher power transceivers or amplifiers, choose models offering 20–30A continuous capability with good thermal management.
- Voltage options: Fixed 13.8V is common for radio gear, but adjustable units (9–15V) offer versatility for a wider range of devices and future equipment changes.
- Connection options: Look for screw terminals for solid lab connections, banana plugs or Anderson Power Pole compatibility for quick swaps, and USB ports for charging or testing peripherals.
- Noise management: Some models include noise offset or filtering features to minimize ripple and radio-frequency interference, improving receiver performance in sensitive setups.
- Protection features: Short-circuit protection, thermal protection, and overload safeguards help extend equipment life and protect radios during testing or maintenance.
- Physical footprint and cooling: For bench use, select a model with adequate cooling and a size that fits your workspace. Heavier units may require a stable mounting surface or rack space.
- Durability and warranty: Since ham setups can run for long periods, choose supplies from reputable brands with documented warranties and service support.
- Portability vs. fixed use: If you need field readiness, consider units with compact dimensions and lighter weight, while fixed home setups may benefit from larger capacities and multiple output options.
Choosing the right power supply involves balancing current, voltage stability, connection convenience, and protection features. The five models highlighted here cover a spectrum from compact, fixed-output units to versatile supplies with multiple outputs. Always verify your specific radio and accessory power requirements before purchase to ensure stable operation and equipment safety.