La batterie de secours
Example: J'ai acheté une batterie de secours pour mon téléphone.
Definition
"La batterie de secours" refers to a portable power bank or backup battery used to recharge electronic devices like smartphones when no other power source is available, ensuring continued device usage during power outages or travel.
Etymology
The term "la batterie de secours" combines "batterie," meaning battery or a set of cells producing electricity, with "de secours," meaning 'of backup' or 'emergency.' It literally means 'backup battery,' highlighting its role as a reserve power source when the main battery is depleted.
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"La batterie de secours" appears in the Vocaplus list "French - Energy - (A1-C2) - set 1", containing 110 commonly used words.
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