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# RAK4631
datasheet: <https://docs.rakwireless.com/product-categories/wisblock/rak4631/datasheet/>
# RAK WisBlock starter kit
<https://store.rakwireless.com/collections/kits-bundles/products/wisblock-starter-kit?variant=41786685063366>
$25
## NOTES
* compatible with RAK5005-O baseboard.
Includes:
* RAK 19007 Base Board: <https://docs.rakwireless.com/product-categories/wisblock/rak19007/quickstart/>
* RAK 4631 Core: <https://docs.rakwireless.com/product-categories/wisblock/rak4631/quickstart/>
* MCU: Nordic nRF52840
* Radio: SX1262 (this radio is recommended by meshtastic)
## SUPPORTED PROTOCOLS
* LoRA

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* lipo can charge at 1C
* 5900mAh -> 5.9A
Strawman design proposal: 1S LiPo, 18650 for easy ubiquitous availability
(~3,000 mAh). Add cells in parallel until you get the capacity you want.
## CHARGERS
1. [5V 2A USB-C](https://www.amazon.com/DWEII-Converter-Step-Up-Charging-Protection/dp/B09YD5C9QC/)
2. [5V 2A](https://www.amazon.com/Ruiwaer-Discharge-Integrated-Adjustable-Charging/dp/B08QHVW5J8)
* have on hand (i think)
## BMS
2. [3S 60A](https://www.amazon.com/dp/B0B9MMZWXC)
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* mppt charge controllers:
1. <https://www.amazon.com/Waveshare-Solar-Power-Manager-Regulated/dp/B0CT2ZBML9>
2. <https://www.amazon.com/4-4-6-5V-Lithium-Battery-Charger-Controller/dp/B08DY28BXW>
3. <https://www.amazon.com/Lithium-Battery-Charger-Charging-Converter/dp/B089NG9TFW>