rechargeable

ree-CHAR-juh-bul /riːˈtʃɑːr.dʒə.bəl/
adjectiveA2TOEFLIELTS
Neutral

Capable of being restored to full electrical power capacity repeatedly by connection to an external electrical supply.

Describes energy storage cells engineered for reversible chemical energy cycles.

The story behind the word. Formed by adding the prefix 're-' (again) to 'charge', which traces back to Late Latin 'carricare' (to load a wagon, from 'carrus'). Applied to electricity in the 19th century, it moved from lead-acid car batteries to modern mobile lithium-ion cells.

Word relationships

  • secondary cell: Secondary cell is the technical electrochemical term for a rechargeable battery structure.
  • disposable: Primary single-use energy storage meant to be thrown away once depleted.
  • non-rechargeable: Incapable of taking electrical charge back into its internal chemical structure.

Commonly confused with

  • renewable: Renewable refers to natural energy sources like wind or solar, whereas rechargeable refers to electrical batteries.

Word family

  • recharge (verb): To restore electrical energy or personal energy.
  • recharger (noun): A device or adapter used to restore power to a battery.

Collocations

  • rechargeable battery
  • rechargeable cell
  • rechargeable power supply
  • fully rechargeable
  • rechargeable energy storage

Example sentences

  • "The mobile phone relies on an internal rechargeable lithium-ion battery for daily operation." Hardware Engineering
  • "A fast rechargeable cell ensures your smartphone reaches eighty percent power in thirty minutes." Product Features

Memory hook

RE (again) + CHARGE: able to be charged up over and over again. Battery that can be restored with plug-in power.

When not to use

Do not use for primary single-use disposable alkaline batteries like basic zinc-carbon cells.

Fun facts

  • Lithium-ion rechargeable batteries won the 2019 Nobel Prize in Chemistry for enabling the modern mobile technology revolution.
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