Jackery

                                                 Jackery                                     

Having a smartphone or tablet on the go is great. Not having any juice left to run the thing isn’t. Jackery, Inc. offers an entire line of sleek portable external batteries that can charge phones and tablets on the go. The family includes the 2.7-ounce Jackery Mini ($39.95) that delivers up to 50 extra hours of the operation time, the slender 5.4-ounce Jackery Air ($59.95; 110 hours of operation time), the 10.4-ounce Jackery Giant ($69.95; 220 hours) and the Jackery Giant Plus ($79.95; 260 hours)