Siglent SDL1020X-E
A programmable load with every interface built in, for labs that automate power-supply and battery tests.
Amazon $574$574
150 V / 30 A200 W1
3.8/5
A well-supported programmable load for testing power supplies and batteries in an electronics lab.
- 150 V / 40 AOutput
- 200 WPower
- Electronic loadType
- USB, RS232PC control
Check price at Amazon$549
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Fast 15 kHz dynamic mode for testing supply response
- CC, CV, CR and CP modes
- Remote sense and SCPI over USB or RS232
- Three-year warranty
Cons
- Only 200 W
- LAN costs extra
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | DL3021 |
|---|---|
| Output | |
| Type | Electronic load |
| Channels | 1 |
| Channel ratings | 150 V/40 A, 200 W |
| Max voltage | 150 V |
| Max current | 40 A |
| Rated power | 200 W |
| Dynamic mode | 15 kHz |
| Load modes | CC, CV, CR, CP |
| Precision | |
| Setting resolution | 1 mV / 1 mA |
| Readback resolution | 1 mV / 1 mA |
| Remote sense | Yes |
| Control | |
| PC interfaces | USB, RS232 |
| SCPI | Yes |
| Over-voltage protection | Yes |
| Over-current protection | Yes |
| Build | |
| Weight | 16.7 lb |
| Warranty | 3 years |
Alternatives in this type
Korad KEL2010
A 300 W programmable load with fine low-range resolution, for battery and supply testing past 200 W.
Amazon $525$525
150 V / 40 A300 W1
OWON OEL1530
A low-cost 300 W programmable load for battery capacity and power-supply testing on a hobby bench.
Amazon $215.99$215.99
150 V / 30 A300 W1
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