PhoneSuit launches the Primo Battery Cube micro battery pack for smartphones that comes in an extremely small package measuring only about 1.5 inches in length and width. The PrimoCube has integrated rotatable micro USB and mini USB connectors, making it compatible with virtually all USB charged devices, including cellphone, MP3 player, PMP/etc/
The PrimoCube packs a 1000mAh lithium-ion rechargeable battery that can be recharged via micro USB or mini USB. It comes with a detachable keychain loop. The price is $39.95.