Hi, I was making my own battery for the kobol64. To do this, you can use a ready-made balancing board, like this https://aliexpress.ru/item/32884781878.html?item_id=32884781878&sku_id=12000024864748835 any 10k thermistor, for example such https://aliexpress.ru/item/32819250168.html 6 pin connector https://aliexpress.ru/item/1005001490801246.html?item_id=1005001490801246&sku_id=12000016325255609