Juno Power has launched the Nova BLOX, a 4,000 mAh power pack packed in a five-ounce aluminum case with a 2.1A USB output. It charges smartphones, tablets, cameras and any other 5V device.

The palm-sized Nova BLOX is equipped with a high-powered LED flashlight. It's offered in three tints of gold, grey and silver. The power bank purportedly provides up to 20 hours of additional talk time for the iPhone 5, 12 hours for the Samsung Galaxy series and 18 hours for the Moto X. The Nova BLOX is currently available at JunoPower.com and Amazon.com for $24.99.