Replace your lost or failed power adapter. This replacement power adapter can provide a power source for any electronic device that has an M type barrel jack and requires 12volts and up to 5amps of power. The adapter is a perfect replacement for the lost or damaged power adapter you've used to power your existing electronics. When downtime isn't an option, keeping spare power adapters on hand ensures that you won't be left waiting for a replacement to arrive or have to replace your devices just for the sake of a compatible power source.