What are the differences in the French words for 'battery' (electrical storage): accumulateur, batterie, pile? I learned these words over 50 years ago, and their usage seems to have changed since then. -
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Piles AA Rechargeables 3,2V 600mAh LiFEPO4 Batteries (Tête Plate) pour Lampes Solaires,Télécommandés,Sonnette,Lot de 4,PKCELL : Amazon.fr: High-Tech
![history - Why are these batteries I bought from Costco called "Battery Piles"? - Electrical Engineering Stack Exchange history - Why are these batteries I bought from Costco called "Battery Piles"? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/FNAEf.jpg)