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Question:

Can store-bought rechargeable batteries recharge in a device that was meant for a custom battery pack?

I ordered a pair of Astro A40 Wireless headphones. After they shipped I did some research and found out that they come with 3 standard AAA batteries that you put into the transmitter. They do have an option, however, for a rechargeable battery pack that can go in place of the AAA batteries (they sit in a battery holder that is then removeable). This pack is then charged inside the transmitter via USB cable. So being the penny pincher I am, I was wondering if I went out and bought 3 rechargeable AAA batteries and put them inside the transmitter, would they safely and correctly charge inside the transmitter in the same fashion as if it was the custom battery pack?Hopefully I was clear enough Any answers are appreciated! :)

Answer:

It might work, if the batteries are of the same chemistry as their batteries, and the holder is not special, which has special contacts or a switch closure. I would probably do it because I know what I am doing. I have taken cells from older cell-phone packs, and used them in a regular cell charger, and as regular cells in things, so it stands to reason it can go the other way.

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