Samsung announced a new accessory today that should compliment its large selection of mobile devices rather nicely. Priced at $20, the Samsung Power Sharing Cable lets owners of select Galaxy devices transfer power to another compatible smartphone, smartwatch or tablet. To manage use of the Power Sharing Cable, Samsung has put together a specialized app that’s now available in Google Play.

This app lets you allocate how much power you transfer from one micro USB device to another. Samsung lists the following devices as capable of sharing their charge: the Galaxy S 5, Galaxy Tab S 10.5, Galaxy Tab S 8.4, Galaxy Alpha, Galaxy Avant and the Galaxy Note 4. The Power Sharing Cable can be used to charge any device that supports micro USB, so it doesn’t necessarily have to be another Samsung gadget, however we’re pretty sure the South Korean electronics maker would prefer that you keep things in the family.

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