18500 is a rechargeable flashlight battery, as long as an AA, but much fatter. It gives 3.7 volts.
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It gives more power than a normal battery. Only use it in things made for it.
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18500 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.
Battery names are a code. Here’s how to read 18500:
| Brand | Their name for it |
|---|---|
| Official name | 18500 |
Yes. They’re the same battery with different names. You might also see INR18500, ICR18500.
About 3 years if it stays cool and dry.
Yes, it’s rechargeable. Only charge it in a charger or device made for it.