The Milwaukee M18 TOP-OFF 175W Power Supply delivers faster simultaneous power to personal devices and small electronics such as laptops， cell phones， TVs and others. Attach any M18 battery to provide continuous power or recharge devices with (1) AC 120V outlet， (1) USB-C PD port， and (1) USB-A port. Quickly charge up to three devices at the same time， without the barriers of speed throttling. With the USB-C PD port (45W)， this battery inverter is capable of recharging devices， from a fully depleted state to 80% capacity， up to 75% faster than conventional wall chargers (5W). The compact portable power supply has an attached metal rafter hook that can be extended to hang it from carts， lumber， or other jobsite materials when work surface space is limited. Instantly set up a mobile workstation or keep electronics securely within eyeshot rather than making frequent trips to a wall outlet. Fits all M18 batteries. Battery， charger and device cords not included.