has introduced its Spark III EmPowered (Spark EP), a new line of portable FireWire hard drives powered by a Lithium-ion rechargeable battery. The drives are small enough to fit in the palm of the hand and feature a high speed Oxford 911 ATA-5 interface. The drive’s battery is automatically recharged when connected via FireWire or with the included AC adapter. The Spark EP is available now in capacities of 10, 20, 30 and 40GB at prices ranging from US$199 to $389.