JOOSTCUBE: Portable Battery Extender for Apple Watch

The Apple Watch may be the most popular smartwatch on the market, but it does not have days of battery life. If you plan to spend a lot of time with your Apple Watch on the road, you may want to get a decent battery extender for it. JOOSTCUBE could be just what you need. It is a compact device with a 1500 mAh battery to charge your smartwatch for up to 5 times.

JOOSTCUBE does not require you to deal with any cables. It is compact enough to fit in your pocket (35 x 35 x 30 mm). It has an anti-slip base and a shock-resistant design. The developers are making it available in various colors.  More information is available on Indiegogo.