# BiPolar Power Supplies

BiPolar power supplies (four-quadrant) can source and sink current across both positive and negative voltage ranges. They're ideal for testing devices like motors, amplifiers, and batteries that operate in both directions.

Our collection includes new and used models from trusted manufacturers. Each unit supports precise control and flexible output settings for a range of testing needs.

Browse ValueTronic’s available inventory to compare specs, request a quote, or find the right fit for your lab or project.

## Products in this collection

- [Kepco BOP 20-20M 400W Bipolar Operational Power Supply, Analog Meters (Pre-Owned)](https://valuetronics.com/products/bop20-20m-kepco-bipolar-power-supply-used) - 3195.0 USD
- [Elektro-Automatik EA-PSI 10080-510 3U Bi-Directional Power Supply NEW](https://valuetronics.com/products/ea-psi-10080-510-3u-new-ea-2-dc-supply-new) - 18800.0 USD
- [Elektro-Automatik EA-PSI 11000-30 3U Programmable Bi-Directional Power Supply NEW](https://valuetronics.com/products/ea-psi-11000-30-3u-new-ea-2-dc-supply-new) - 14300.0 USD
- [Kepco BOP 100-2M 200W Bipolar Operational Power Supply, Analog Meters (Pre-Owned)](https://valuetronics.com/products/bop100-2m-kepco-bipolar-power-supply-used) - 0.0 USD
- [Kepco BOP 20-10M 200W Bipolar Operational Power Supply, Analog Meters (Pre-Owned)](https://valuetronics.com/products/bop20-10m-kepco-bipolar-power-supply-used) - 0.0 USD
- [BOP36-1.5M Kepco BiPolar Power Supply Used](https://valuetronics.com/products/bop36-1-5m-kepco-bipolar-power-supply-used) - 0.0 USD
- [PBX-20-20 Kikusui BiPolar Power Supply Used](https://valuetronics.com/products/pbx-20-20-kikusui-bipolar-power-supply-used) - 0.0 USD
- [Kepco BOP 20-5D 100W Bipolar Operational Power Supply, Digital Meters (Pre-Owned)](https://valuetronics.com/products/bop20-5d-kepco-bipolar-power-supply-used) - 0.0 USD
- [Kepco BOP 200-1M 200W Bipolar Operational Power Supply, Analog Meters (Pre-Owned)](https://valuetronics.com/products/bop200-1m-kepco-bipolar-power-supply-used) - 0.0 USD
- [HSA4014 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/hsa4014-nf-corporation-bipolar-power-supply-new) - 9889.23 USD
- [HSA4011 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/hsa4011-nf-corporation-bipolar-power-supply-new) - 8700.0 USD
- [HSA4052 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/hsa4052-nf-corporation-bipolar-power-supply-new) - 9700.0 USD
- [HSA4101 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/hsa4101-nf-corporation-bipolar-power-supply-new) - 8500.0 USD
- [HSA4012 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/hsa4012-nf-corporation-bipolar-power-supply-new) - 7692.31 USD
- [HSA4051 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/hsa4051-nf-corporation-bipolar-power-supply-new) - 7800.0 USD
- [BP4620 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/bp4620-nf-corporation-bipolar-power-supply-new) - 14400.0 USD
- [BP4610 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/bp4610-nf-corporation-bipolar-power-supply-new) - 6300.0 USD
- [6131C Agilent BiPolar Power Supply Used](https://valuetronics.com/products/6131c-agilent-bipolar-power-supply-used) - 0.0 USD
- [BA4825 NF Corporation BiPolar Power Supply New](https://valuetronics.com/products/ba4825-nf-corporation-bipolar-power-supply-new) - 6900.0 USD

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> Source: [ValueTronics](https://valuetronics.com/collections/power-supplies-loads-bipolar-power-supply)
> Updated: 2026-06-03