With its compact & tactile design, the maxpod portable recharger is an ideal portable backup battery pod for phones, tablets & USB (Universal Serial Bus) devices. Charges through 2 smart charging ports & uses a large 5200m Ah rechargeable Lithium-ion battery technology that will repower your phone, tablet or MP3 on the go. Check the charge level using the handy indicator, the 4 LED lights show the charging status & stored power. Features a power-down mode so if left on with no device connected, it will shut down automatically after 30 seconds to ensure the battery power is preserved for maximum usage.