A compact high-voltage switcher for e-bike, solar and battery projects that need more than 60 V.
Amazon $219The OWON SPE8105 is the better bench power supply overall, rated 3.1 to 2.9. The OWON SPE8105 leads on PC control and value. The Korad KD6005D wins on output quality. The Korad KD6005D costs $14.01 less ($204.99 vs $219).
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.
A 60 V linear supply for people who need more voltage than a 30 V bench unit without the noise of a switcher.
Amazon $204.99Which should you buy?
- Choose the OWON SPE8105 for PC control (USB vs no PC interface) and value ($0.44 per watt ($219, 500 W rated) vs $0.68 per watt ($204.99, 300 W from the channel ratings)).
- Choose the Korad KD6005D for output quality (1 mVrms ripple and noise vs 50 mVp-p ripple and noise (no rms figure)).
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 | OWON SPE8105 | Korad KD6005D |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 25% | 69 $0.44 per watt ($219, 500 W rated) | 57 $0.68 per watt ($204.99, 300 W from the channel ratings) |
| Output quality 20% | 30 50 mVp-p ripple and noise (no rms figure) | 71 1 mVrms ripple and noise |
| Resolution 15% | 50 10 mV / 1 mA setting resolution | 50 10 mV / 1 mA setting resolution |
| PC control 15% | 50 USB | 0 no PC interface |
| Protection & features 10% | 80 over-voltage protection, over-current protection, stored setups | 50 protection and features not published (neutral score used) |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| OWON SPE8105 | Korad KD6005D | |
|---|---|---|
| Output | ||
| Type | Power supply | Power supply |
| Regulation | Switching | Linear |
| Channels | 1 | 1 |
| Channel ratings | 80 V/10 A | 60 V/5 A |
| Max voltage | 80 V | 60 V |
| Max current | 10 A | 5 A |
| Rated power | 500 W | 300 W (channels added) |
| Ripple and noise | 50 mVp-p | 1 mVrms |
| Precision | ||
| Setting resolution | 10 mV / 1 mA | 10 mV / 1 mA |
| Readback resolution | 10 mV / 1 mA | 10 mV / 1 mA |
| Control | ||
| PC interfaces | USB | None |
| Stored setups | 4 | - |
| Over-voltage protection | Yes | - |
| Over-current protection | Yes | - |
| Build | ||
| Weight | 4 lb | 17.4 lb |
