1 A unit-quantity of electricity used as a measure of the amount of electrical charge that may be obtained from a storage battery before it requires recharging. 2  Ampere-Hour Capacity -- The number of ampere-hours which can be delivered by a storage battery on a single discharge.
A: Bacteria obtain energy by either ingesting other organisms and organic compounds or by producing their own food. The bacteria that produce their own food are called autotrophs. Bacteria that must consume other organic molecules for energy are called heterotrophs.
From the bacteria that live in the soil to those that live in the pores of your skin, all Bacteria need certain things to survive. Bacteria must have a source of food and a way of breaking down the food to release its energy.nstead, these bacteria use the energy from chemical substances in their environment to make their food. Some bacteria are heterotrophes and cannot make their own food. Instead, heterotrophic bacteria must consume other organisms or the food other organisms make.