A battery that can hold five times or more energy capacity than existing lithium-ion batteries could be in users' hands as early as next year.

Prieto Battery, a startup, has developed a 3D solid-state battery structure based on new materials that can hold more lithium ions than current batteries. The new battery will also be less flammable, charge faster and shaped to fit into wearables and PCs as well as larger products like solar panels, said Amy Prieto, founder of Prieto Battery.