A gel battery, also known as a “Gel Cell”, is a VRLA (valve-regulated lead–acid ) battery, a type of Sealed Acid Battery.
Batteries are created to store energy and release it in a controlled manner at any given time.
Battery capacity is the amount of energy stored in a battery.
Memory effect is observed in rechargeable batteries, that causes them to store less power.
A battery is defined as a device that stores chemical energy which can be converted to electrical energy.