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Tekpower

Analog Display TP30SWI 30 Amp DC 13.8V Switching Power Supply with Noise Offset

Name: Tekpower Analog Display TP30SWI 30 Amp DC 13.8V Switching Power Supply with Noise Offset
Brand: Tekpower
SKU: B01MQ2PGYO
Price: 99.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-06

$99.99

Buy on Amazon — $99.99 Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.

Bottom line: The Analog Display TP30SWI 30 Amp DC 13.8V Switching Power Supply with Noise Offset is a niche pick — read recent reviews before buying in the power supplies category, priced around $99.99. Read recent reviews carefully before committing.

The TekPower TP30SWI is a professional analog DC power supply for powering many devices such as Ham/CB radio and amplifiers. It is a highly stable, fused, high quality switching power supply with 13.8V fixed DC power output, and 30A max current. It has a main DC output on the back of the unit and a snap in output on the front. It has excellent line and load regulation, low ripple and noise. It is designed to minimize switching noise specifically for communication uses. When there is noise, you can use the noise offset knob to eliminate it. It has many safety protection such as overheat and…

SpecPicks Verdict

SpecPicks classifies Tekpower Analog Display TP30SWI 30 Amp DC 13.8V Switching Power… as a niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Tekpower'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 supplies 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

✓ 13.8V DC Power Supply for Ham/CB Radio
✓ Backed by Tekpower's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ 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

13.8V DC Power Supply for Ham/CB Radio
30A MaxCurrent Output
DC 13.8V Fixed Output
Noise offset
1 Year USA warranty

Full Specifications

Brand	Tekpower
Color	Black
Amperage	30 Amps
Unit Count	1.0 Count
Model Number	TP30SWI
Output Current	30 Amps
Output Voltage	13.8 Volts
Output Wattage	414 Watts
Item Dimensions	7.5 x 2.8 x 7.5 inches
Mfr Part Number	TP30SWI
Item dimensions L x W x H	7.5 x 2.8 x 7.5 inches

Ready to buy?

Tekpower Analog Display TP30SWI 30 Amp DC 13.8V Switching Power Supply with Noise Offset 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.