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In this video, I'm going to show you how to wire a shunt and program it to accurately track your battery's energy usage, specifically for a 12V lithium battery. If you're looking to monitor the state of charge for your lithium battery, a shunt is an essential tool you need to understand. Unlike lead-acid batteries, where voltage can be a reliable indicator of charge, lithium batteries maintain a consistent voltage whether they're 30% or 80% charged—making it tricky to gauge how much power is left just by looking at the voltage.
I'll walk you through the step-by-step process of connecting the shunt, including all the essential details about which wires go where and how to ensure accurate readings. You’ll learn why it’s important to connect the shunt correctly and how to avoid common mistakes that could lead to inaccurate measurements. We'll also go over programming the shunt, setting it up to match your battery’s capacity, and ensuring it provides precise data on your battery's amp hours.
Whether you're using a shunt with a DIY battery setup or integrating it into a pre-existing system, this guide will help you install and configure it properly. I’ll also demonstrate how to install the display, giving you real-time insights into your battery’s performance under load.
