The brunton pulse 1500 charger is a smart compact 1500mah rechargeable power station the charger features a micro usb and standard usb output port brilliant for connecting pretty much all small electronic devices using their usb charging cables with an output of 1 amp the station is ideal for charging smart phones mp3 players cameras or any other small electronic devices the internal battery can be charged using a standard usb cable plugged into any usb port a usbac plug or brunton39