http://news.poseidon-us.com/TJ3Rbg
An innovative circuit design could enable miniature devices, such as microdrones and other microrobotics, to be powered for longer periods of time while staying lightweight and compact. Using miniaturized solid-state batteries, the circuit combines high energy density with an ultra lightweight design.
http://news.poseidon-us.com/TJ3Rbg
http://news.poseidon-us.com/TJ3Rbg