Description
Low-voltage battery modules and DC-DC stages care more about current than volts. The Keysight RP5913A regenerative supply moves up to ±40 A at a maximum of 80 V, in either direction. It feeds power into a device, then takes power back out and returns it to the facility grid.

The low-voltage, high-current envelope
- Maximum voltage: 80 V.
- Source or sink current: ±40 A.
- Source or sink power: ±2,000 W.
- Control ports: USB, LAN, CAN and digital I/O, plus optional GPIB and analog or RS-232.
Eighty volts at 40 A would be 3.2 kW, so the 2 kW rating is the real limit. List your working points before you book.
Output quality and speed
The listing gives 200 mV peak-to-peak noise and ripple, a 15 ms output response time and 48 mV voltage programming accuracy. Use these numbers when your device is sensitive to ripple or you plan fast load steps. However, always check the data sheet for the exact test conditions.
Protection and regeneration
Protection covers overvoltage, overcurrent, overpower, overtemperature and grid faults. Regeneration also cuts cooling demand, since less energy turns into heat. As a result, a dense rack stays easier to ventilate.
Jobs for a Keysight RP5913A regenerative supply
- Cycle battery modules and validate energy storage.
- Test bidirectional converters and DC-DC power devices.
- Feed automated qualification racks in aerospace, automotive and industrial work.
- Run high-density production test with energy recovery.
Rent, buy and request a quote
Lost in HCM lists this supply for rental and for sale, and it arranges service on request. A fixed validation project suits a rental. A team that cycles packs every week may want to own one. Please request a quote from Lost in HCM, then add your voltage, current, interfaces and delivery city. Other power supplies are listed too, and you can contact SMK Vietnam with general questions. Official data sits on the Keysight website.
Keysight RP5913A regenerative supply questions
Can it run 80 V and 40 A at the same time?
No. That pair would equal 3.2 kW, so the 2 kW power rating sets the limit.
What should I check before the first regenerative run?
Confirm the facility grid, protective earth and disconnects. Then check cable or busbar ratings, the protection on your device and the approved procedure for returning energy.
Do I need to list cables and fixtures?
Yes. Name any cables, fixtures or licenses in your request so the quote lists them.
















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