We have some amazing new modules and accessories for WisBlock for you. We are always listening to your feedback and ideas, so this time we are making the power supply modular.
USB LiPo Solar Power Slot Module | RAK19012
The RAK19012 power board is the perfect solution while your product is still in development and you need USB access to flash and test new firmware. It has USB, battery and solar panel supply, just like our other Base Boards.