Male Power Supply Adjustable 2.5A 60W Switching Power Supply Transformer 3.8V-37V Switching Power Supply | eBay
37v 3a Dc Power Adapter Eu/uk/us/au Universal 37 Volt 3 Amp 3000ma Power Supply Input 110-220v 5.5x2.5mm Power Transformer - Ac/dc Adapters - AliExpress