The Core Bottom is the bottom part of M5Core like M5Basic and M5 GRAY, with an M-BUS socket and extended pins on the side, also includes a lithium polymer battery. Lithium Battery Shipping: Due to courier restrictions, this product can only be shipped within the United Kingdom. With this item in your cart your shipping options will be limited and may cost more than our usual rates. Why? Features * Li-po battery: 110 mAh @ 3.7V Specifications Resources Parameter Net Weight 20g Gross Weight 32g Product Size 54 x 54 x 5mm Package Size 60 x 57 x 17mm Resources * Product Wiki Package Contents * 1x Core Bottom https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2023-09-08 https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2023-12-27 https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2024-07-02 https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2024-09-18 https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2024-11-29 https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2024-11-30 https://elecena.pl/product/24164032/battery-bottom-110mah-for-m5stack-discontinued 2025-04-29