Dual Micro USB 18650 LiPo DIY Power Bank Module (3.7V to 5V, 2A Output) IoT Kits It gives you full access

It gives you full access to bottom pins

and networking applications

then connect the DIN pin to your microcontroller and make a common ground from the 5V power supply to the microcontroller/Arduino

The body of the Creality Hi is made entirely of metal

Dual Micro USB 18650 LiPo DIY Power Bank Module (3.7V to 5V, 2A Output) IoT Kits It gives you full accessDual Micro USB 18650 LiPo DIY Power Bank Module (3. 7V to 5V, 2A Output) The Dual Micro USB 18650 LiPo DIY Power Bank Module is designed to convert a 3. 7V 18650 lithium battery into a stable 5V output with up to 2A current, making it perfect for charging smartphones, IoT devices, and other USB powered gadgets. At its core, this module functions as a compact power management and boost conversion board, allowing you to build a fully customized portable