1 You must indicate that you have completed a Federal tax return to be eligible to use the IRS DRT.  If you have questions about the FSA ID, you can find the answers to frequently asked questions here. If you need assistance logging in with your FSA ID, contact us at 1-800-4-FED-AID (1-800-433-3243).
Battery. A battery is a hardware component that supplies power to a device, enabling that device to work without a power cord. Batteries are often capable of powering a laptop computer for several hours depending on how much power it requires.ou are here: Dictionary B-Definitions. A battery is a hardware component that supplies power to a device, enabling that device to work without a power cord.
Types of Batteries and Their Applications. A battery is a source of electrical energy, which is provided by one or more electrochemical cells of the battery after conversion of stored chemical energy. In todayâs life, batteries play an important part as many household and industrial appliances use batteries as their power source.