We all have a bunch of USB gadgets that need to be charged regularly. The Acasis 60-USB Charging Station for iPhone has enough power to charge all your phones and tablets simultaneously. Rated 300W, this charging station has 60 USB ports with 5V2A output.
This charger has holes at the bottom and sides for heat dissipation. It is available for under $70 at the time of this writing.[more charging stations]