Definition

1. Noun:
   • A rechargeable battery that stores electrical energy: A "storage battery" is a type of electrochemical cell designed to store electrical energy and release it as direct current (DC). It is also commonly called an accumulator or secondary cell because it can be recharged by passing an electric current through it in the opposite direction to discharge.

Usage Examples

• Noun:
  • The car's engine is started using power from the storage battery.
  • Solar power systems often use a large storage battery to provide electricity at night.
  • The technician is checking the voltage of the storage battery bank.

Advanced Usage

• "Lead-acid storage battery": The most common type, using lead plates and sulfuric acid electrolyte, often found in vehicles.
  • Most traditional cars use a lead-acid storage battery.
• In technical contexts: Refers to the entire unit or bank of connected cells used for energy storage.
  • The backup power system's storage battery has a capacity of 100 kilowatt-hours.

Variants and Related Words

• Accumulator (n): Another term for a storage battery, especially in British English.
  • The forklift is powered by an electric motor and a large accumulator.
• Secondary cell (n): The technical term for a rechargeable electrochemical cell, distinguishing it from a non-rechargeable primary cell.
  • A lithium-ion battery is a type of secondary cell.
• Battery pack (n): A collection of multiple battery cells housed together, which may include storage batteries.
  • The electric vehicle's battery pack contains thousands of individual lithium-ion cells.

Synonyms

• Rechargeable battery: A battery that can be electrically recharged.
• Accumulator: A device that stores energy, often specifically electrical.

Related Phrases

• Battery storage: The general concept or system of storing energy using batteries.
  • Battery storage is essential for managing intermittent renewable energy sources like wind and solar.
• Deep-cycle battery: A type of storage battery designed to be regularly deeply discharged and recharged.
  • For the solar-powered boat, we installed a deep-cycle storage battery.

Noun

1. a voltaic battery that stores electric charge