Korad KD3005D
#17 in Single outputFull review
A basic linear 30 V, 5 A bench supply for hobby electronics when PC control is not needed.
Amazon $109.99$109.99
The Korad KD3005D and the Tekpower TP3005T are evenly matched, rated 2.8 and 2.8. The Tekpower TP3005T costs $20 less ($89.99 vs $109.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Tekpower TP3005T
#18 in Single outputFull review
A simple linear 30 V, 5 A supply for beginners and repair benches on a tight budget.
Amazon $89.99$89.99
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every single output bench power supply; a clear win is highlighted. How we rank explains each one.
| Factor weight | Korad KD3005D | Tekpower TP3005T |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 25% | 55 $0.73 per watt ($109.99, 150 W from the channel ratings) | 60 $0.60 per watt ($89.99, 150 W from the channel ratings) |
| Output quality 20% | 55 2 mVrms ripple and noise | 55 2 mVrms ripple and noise |
| Resolution 15% | 50 10 mV / 1 mA setting resolution | 50 resolution not published (neutral score used) |
| PC control 15% | 0 no PC interface | 0 no PC interface |
| Protection & features 10% | 50 protection and features not published (neutral score used) | 30 over-current protection |
| Warranty 15% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| Korad KD3005D | Tekpower TP3005T | |
|---|---|---|
| Output | ||
| Type | Power supply | Power supply |
| Regulation | Linear | Linear |
| Channels | 1 | 1 |
| Channel ratings | 30 V/5 A | 30 V/5 A |
| Max voltage | 30 V | 30 V |
| Max current | 5 A | 5 A |
| Rated power | 150 W (channels added) | 150 W (channels added) |
| Ripple and noise | 2 mVrms | 2 mVrms |
| Precision | ||
| Setting resolution | 10 mV / 1 mA | - |
| Readback resolution | 10 mV / 1 mA | - |
| Control | ||
| PC interfaces | None | None |
| Over-current protection | - | Yes |
| Build | ||
| Weight | 9.4 lb | 11.7 lb |
| Warranty | - | 1 year |