Black Battery Bottom 150mAh for M5Stack ESP32 IoT Development Kit I/O IO Extend Stackable Module Bus Socket M5Stack® for

Description Core BOTTOM is the bottom part of M5Core like M5Basic and M5 GRAY with M BUS socket and extend pins on the side also include a Lipo battery If you want to buy these bottoms separately you can get it from here M Bus Package Included 1 x M5Stack Black Battery Bottom Plate