With iPhone devices to losing battery juice is more important in our daily life, you can never go wrong with a battery pack. It’s important to find the right one that suits the kind, and one option is the Jackery Jewel compact external portable charger, which has a built-in Apple MFI certified 2-in-1 Lightning to USB Charging Cable along with a cable and charger combo together. It’s available for $16.99 via Amazon in the US.
Jackery Jewel its light in weight just 36 grams, similar size as lightning cable, if you use with iPhone 6 / 6s or 7 it will provide an extra 3 hours of juice. When plugged into a computer or charger, it will charge the iPhone and built-in battery simultaneously. The quality of the product and perfect finishing is very good. Slightly higher compared to Anker.
It has in-line one button remote with LED light to check the battery and charging status. In it has a 450mAh battery, the capacity is quite modest if compared with 10000mAh or 20000mAh power banks available on the market. However, if you just needed 3 hours of battery life in just 20 minutes on your iPhone 6 / 6s / 7, there is no problem at all. Also, its compact and simple design; and lightning to USB cable will add more value in it.