# AXP2101 Power management with I2C interface: a single cell NVDC PMU with E-gauge. - [Datasheet](http://file.whycan.com/files/members/6736/AXP2101_Datasheet_V1.0_en_3832.pdf) - [M5Unified implementation](https://github.com/m5stack/M5Unified/blob/master/src/utility/AXP2101_Class.cpp)