BCI - Battery Council International.

Battery - A device that produces and stores electrical energy as a result of a chemical reaction. A 12-volt battery has six individual 2-volt cells that contain positive (+) plates and negative (-) plates that create electrical current. A fully charged 12-volt battery produces at least 12.66 volts.

Battery Charge - See State of Charge.

Battery Council International (BCI) - An association of battery industry companies whose members establish policy and standards for the industry.

Battery Group Size - See Group Size.

BCI Group Number - See Group Size.

Boost Charging - Charging at an extremely high rate of 50-300 amps, this method is primarily used to rapidly charge a battery in order to start a vehicle in a matter of a few seconds to five minutes.

Button Cell - A single-cell, miniature battery, such as a watch battery, that is the size and shape of a button.