The author addresses the difficulty of monitoring propane levels in a VW Vanagon Westfalia using a Mopeka Tank Check due to frequent battery replacements. They propose using an external, rechargeable battery as a solution. Detailed instructions for installing the battery are provided, highlighting the benefits of longevity and ease of use, while noting certain cautions and considerations.
The post provides a detailed guide on how to modify a Sonoff S31 device to limit battery charging and extend the lifespan of lithium batteries commonly used in devices like phones, laptops, and tools. This DIY hack requires some soldering and code loading: it automates the turning off of device chargers before the battery reaches full charge. The modified S31 works independently and does not require a WiFi connection. The post also includes specific scripts for various devices and comprehensive steps for loading and testing these scripts.