Like any other electrically-conductive object, a human body can store electric charge if insulated.

A battery or supercapacitor pack, or a combination of the two, can be used to store excess charge.

But dielectric layers are approaching the nanometer size, at which point they lose their ability to store charge.

Resistors offer a specified amount of resistance to current, and capacitors store electric charge.

Leyden jar, a device for storing electric charge invented in 1745.

Sometimes, capacitors are used to store charge for high-speed use.

They can store charge for three hours.

Water has been shown not to be a very reliable substance to store electric charge.

There are eels that can store charge indefinitely, I think.

Ruthenium oxide has great capacity to store charge when used in aqueous solutions.