Tunewear TUN-IP-200042 TUNEMAX Stick 2200 mAh Battery - White Charge devices anywhere, anytime. TUNEMAX contains a 2200mAh external lithium-ion battery which can be charged either using a USB charger or the USB port on a computer. The USB output can fully charge most smartphones and other gaming and music players, including iPod and iPhone. TUNEMAX STICK BATTERY has two USB ports. On one side is the input port (mini USB type B). Using the included USB cable, connect TUNEMAX to a computer or USB wall charger for powering up the battery. Use the same USB cable to charge up your smartphone or portable game device. Note that iPod and iPhone require a separate USB to 30-pin cable for charging.