This is the 10109th most frequent Russian word.
батарейки
"Bатарейки" means "batteries" in English.
The word 'батарейки' is used in plural form referring to small, replaceable power cells for devices like remotes.
Я купил новые батарейки для пульта управления.
I bought new batteries for the remote control.
Here, 'батарейки' denotes the power source for a flashlight, emphasizing their expendability.
Батарейки в фонаре уже разрядились, нужно поставить новые.
The batteries in the flashlight are already discharged; we need to insert new ones.
The sentence illustrates 'батарейки' as rechargeable power cells, highlighting their reusability.