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Amazon.com: AC-DC Power Module 220V to 12v 5v Dual Output Fully Isolated Switching Power Supply : Electronics
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Mean Well Dual Output Switching Power Supply (15VDC, -15VDC, 0.8A) - TOL-14101 - SparkFun Electronics
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Dual Output Power Supply, 70V and 125V, 300mA Capacity - Great for Experiments Requiring Electrophoresis - Eisco Labs: Amazon.com: Industrial & Scientific
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