# Lipo charger with liIon 18650 INR

**URL:** <https://forums.pimoroni.com/t/lipo-charger-with-liion-18650-inr/19583>\
**Category:** Support\
**Created:** [May 26, 2022, 4:43pm UTC](https://forums.pimoroni.com/t/lipo-charger-with-liion-18650-inr/19583 "2022-05-26T16:43:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![codebrane](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/codebrane/32/8524_2.png) [@codebrane](https://forums.pimoroni.com/u/codebrane)\
**Post date:** [May 26, 2022, 4:43pm UTC](https://forums.pimoroni.com/t/lipo-charger-with-liion-18650-inr/19583/1 "2022-05-26T16:43:43Z")

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Can the amigo be used to charge unprotected LiIon 18650 INR batteries? Thinking of a 3500mah one.

> **[LiPo Amigo - Pimoroni](https://shop.pimoroni.com/products/lipo-amigo?variant=39779302506579)**
>
> A range of compact, convenient USB-C LiPo/LiIon battery chargers, perfect for feeding hungry batteries.

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**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\
**Post date:** [May 26, 2022, 6:12pm UTC](https://forums.pimoroni.com/t/lipo-charger-with-liion-18650-inr/19583/2 "2022-05-26T18:12:29Z")

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It has a protection circuit built in, so should be safe with unprotected batteries…  
[lipo\_amigo\_pro.sch (shopify.com)](https://cdn.shopify.com/s/files/1/0174/1800/files/lipo_amigo_pro_schematic.pdf?v=1646927417)  
And the product page links to these high capacity batteries.  
[High Capacity Lithium Ion Battery Pack - Pimoroni](https://shop.pimoroni.com/products/high-capacity-lithium-ion-battery-pack?variant=32012684558419)

Hope this helps.

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<div class="post-metadata">

**Author:** ![codebrane](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/codebrane/32/8524_2.png) [@codebrane](https://forums.pimoroni.com/u/codebrane)\
**Post date:** [May 26, 2022, 7:02pm UTC](https://forums.pimoroni.com/t/lipo-charger-with-liion-18650-inr/19583/3 "2022-05-26T19:02:19Z")

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Thank you and thanks for the schematic. Looks good.