# 18650 batteries

**URL:** <https://forum.clockworkpi.com/t/18650-batteries/6633>\
**Category:** Uncategorized\
**Created:** [June 1, 2021, 3:35pm UTC](https://forum.clockworkpi.com/t/18650-batteries/6633 "2021-06-01T15:35:38Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Andrew\_Holt](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/andrew_holt/32/4699_2.png) [@Andrew\_Holt](https://forum.clockworkpi.com/u/Andrew_Holt)\
**Post date:** [June 1, 2021, 3:35pm UTC](https://forum.clockworkpi.com/t/18650-batteries/6633/1 "2021-06-01T15:35:38Z")

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I’m expecting to see my clockwork pi fairly soon now and I want to have the batteries ready.

I’ve taken a look and still have the following questions.

- Button or flat top ?
- protected or unprotected.

Thanks.

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**Author:** ![qqMajiKpp](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/qqmajikpp/32/4674_2.png) [@qqMajiKpp](https://forum.clockworkpi.com/u/qqMajiKpp)\
**Post date:** [June 1, 2021, 4:17pm UTC](https://forum.clockworkpi.com/t/18650-batteries/6633/2 "2021-06-01T16:17:08Z")

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> [@Battery model recommendation](https://forum.clockworkpi.com/t/battery-model-recommendation/6611/7):
>
> I will add that there are only two notable brands that sell trustworthy cells that offer pcb protection Nitecore & XTAR and only the button tops offer this feature as an example… (THIS IS NOT A RECOMMENDATION! please do your own research) Here are the differences between these two: Nitecore NL1832 18650 3200mAh Battery - Protected Button Top |Nominal Capacity: | 3200mAh| |Discharge Current: | 6A Max Continuous (PCB limitation)| |Nominal Voltage: | 3.7V| |Maximum Voltage: | 4…

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<div class="post-metadata">

**Author:** ![qqMajiKpp](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/qqmajikpp/32/4674_2.png) [@qqMajiKpp](https://forum.clockworkpi.com/u/qqMajiKpp)\
**Post date:** [June 1, 2021, 4:17pm UTC](https://forum.clockworkpi.com/t/18650-batteries/6633/3 "2021-06-01T16:17:54Z")

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> [@Battery model recommendation](https://forum.clockworkpi.com/t/battery-model-recommendation/6611/2):
>
> This is not as easy to answer as simply saying this is the best brand and model, Unfortunately. 18650 batteries come in a variety of chemistries and some offer protection circuits while others do not. I think this is important enough to not just state, but to do so while making extra effort to make a point. I will highly recommend you study up some. Everyone here will recommend that if you are new, opt for protected cells. These cells sacrifice a tiny bit of capacity to store a chip that prevent…