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Amazon.com: Accessory USA AC DC Adapter for Promethean ActivBoard 300 Pro Series ActivBoard 387 Pro PRM-AB387-03 Switching Power Supply Cord : Electronics
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KONKIN BOO Compatible AC / DC Adapter Replacement for Promethean ActivBoard 300 Pro Series ActivBoard 378 Pro AB378PUS PRM-AB378-03 ABV378PRO Switching Power Supply Cord Cable PS Charger PSU - Walmart.com
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Amazon.com: ABLEGRID AC/DC Adapter for Promethean ActivBoard 300 Pro Series ActivBoard 387 Pro PRM-AB387-03 Switching Power Supply Cord : Electronics
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