The LOLIN D1 Mini Battery Shield is an accessory designed to facilitate portable power solutions for the D1 Mini board. It supports a maximum charging voltage of 10V, although it is recommended to charge at 5V. The shield can handle a maximum charging current of 1A. It is compatible with lithium batteries that have a voltage range of 3.3-4.2V. Additionally, the shield includes a boost power supply that can provide a stable 5V output with a maximum current of 1A, making it a versatile power management module for IoT and mobile projects.
Disclosure: This post contains affiliate links. If you click through and make a purchase, I will earn a commission, at no additional cost to you. Read my full disclosure here.