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Have you ever experienced this before?
(lemmy.nz)
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this post was submitted on 21 Oct 2026
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That's why I put non rechargeable batteries out, before putting them away for long time without usage. This won't happen if you are constantly using the remote and batteries, and it won't happen with rechargeables. Edit: Read the replies to this comment. I was wrong.
It definitely still can happen, especially with Duracells, even while they’re still in a sealed package in the store.
It still can. I have found that the most common cause of batteries going south like this(when being used actively) is when there is a voltage mismatch between the batteries.
Always make sure you use batteries from the same pack when you put them together in a device. That or get a voltmeter out and check to make sure their voltage is the same.
This is less of an issue when the batteries are in parallel, but almost all cases where batteries are combined in electronics, they are putting them in serial.
Good point. I never experienced this issue and always thought its a myth that we shouldn't combine them. So I learned something. But I don't use non-rechargeable batteries anymore anyway.
It took me decades to finally figure this out. It wasn't until I started building solar systems and batteries that I realized what was happening.
You can have the same issue with rechargeables, but they are more resilient. Running them in parallel will work fine because the batteries balance out their state of charge. When you run them in series they have no way to balance out and one is always dragging the rest down. If the difference is too much then that lowest battery heats up considerably. That cooks the electrolyte.
Interesting, even with rechargeables. Good thing since the 90s Game Boy I only use same set of rechargeable batteries from same manufacturer only, and always put them out when not in use. That's probably I never had an issue anymore. The humidity of the environment and quality control of the batteries are probably an important factor too. I can imagine this happens more often in some regions of the world than others in example.