Kungber SPS3010B 30V 10A
#12 in Single outputFull review
A cheap, light 30 V, 10 A switcher for charging, LED and motor projects where clean output is not critical.
Amazon $59.99$59.99
The Kungber SPS3010B 30V 10A is the better bench power supply overall, rated 2.9 to 2.8. The Kungber SPS3010B 30V 10A leads on value. The Kungber SPS3010B 30V 10A costs $50 less ($59.99 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.
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
Which should you buy?
- Choose the Kungber SPS3010B 30V 10A for value ($0.20 per watt ($59.99, 300 W from the channel ratings) vs $0.73 per watt ($109.99, 150 W from the channel ratings)).
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 | Kungber SPS3010B 30V 10A | Korad KD3005D |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 25% | 92 $0.20 per watt ($59.99, 300 W from the channel ratings) | 55 $0.73 per watt ($109.99, 150 W from the channel ratings) |
| Output quality 20% | 0 ripple and noise not published, scored as the worst | 55 2 mVrms ripple and noise |
| Resolution 15% | 50 resolution not published (neutral score used) | 50 10 mV / 1 mA setting resolution |
| PC control 15% | 50 PC control not published (neutral score used) | 0 no PC interface |
| Protection & features 10% | 30 over-current protection | 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
| Kungber SPS3010B 30V 10A | Korad KD3005D | |
|---|---|---|
| Output | ||
| Type | Power supply | Power supply |
| Regulation | Switching | Linear |
| Channels | 1 | 1 |
| Channel ratings | 30 V/10 A | 30 V/5 A |
| Max voltage | 30 V | 30 V |
| Max current | 10 A | 5 A |
| Rated power | 300 W (channels added) | 150 W (channels added) |
| Ripple and noise | - | 2 mVrms |
| Precision | ||
| Setting resolution | - | 10 mV / 1 mA |
| Readback resolution | - | 10 mV / 1 mA |
| Control | ||
| PC interfaces | - | None |
| Over-current protection | Yes | - |
| Build | ||
| Weight | 2.3 lb | 9.4 lb |