How Battery Monitors Actually Work (and Why You Need One) - Battery Monitoring Playlist | Ep: 1/3

In this first video of our Battery Monitor Series, we break down what a battery monitor does, why it’s essential for your off-grid power system, and how to choose the right one. We’ll cover voltage vs. shunt-based monitors, how a shunt tracks power flow, and why precise monitoring is critical for lithium batteries — the same tech we use in every EXPLORIST.life system. ⚡️ Shop the Gear We Use - Everything we show in this video is available in our store — pre-tested, field-proven, and ready to install at https://shop.explorist.life/?utm_source=youtube&utm_medium=description&utm_campaign=battery_monitor_series&utm_content=shop_main 🛒 Shop Battery Monitors 👉https://shop.explorist.life/shop/all-products/victron-smart-shunt-500a/ 🧰 Need Help Designing Your System? Join our Pro Support Membership for personalized help, system reviews, and direct access to our team: 👉 https://shop.explorist.life/prosupportmembership?utm_source=youtube&utm_medium=description&utm_campaign=battery_monitor_series&utm_content=pro_support 💬 All products shown in this video are linked in the description or available in the EXPLORIST.life shop. https://explorist.life/understanding-battery-monitors/ 🎓 Learn in the EXPLORIST Academy Watch the entire series ad-free, with lesson plans, quizzes, and community discussions that guide you step-by-step through your DIY electrical system. 👉 https://academy.explorist.life 📘 Read the full blog post: https://explorist.life/understanding-battery-monitors/ FULL ELECTRICAL INSTALLS: ➤50A 5th Wheel RV - Full Electrical Upgrade: https://www.youtube.com/watch?v=PavRWuOax1M&list=PLmvhcyi4n0TUU8FUc6LE38TBkdSLjdw_5&index=8 ➤30A Class C Motorhome - Full Electrical Upgrade: https://www.youtube.com/watch?v=9fmL1RfmZJk&list=PLmvhcyi4n0TUU8FUc6LE38TBkdSLjdw_5&index=1 ➤ 30A Travel Trailer - Full Electrical Upgrade: https://www.youtube.com/watch?v=KM_8s4cTjWA&list=PLmvhcyi4n0TVgcroqXl5QvJM0afUes_zX&index=1 ➤ Truck Camper - Full Electrical Upgrade: https://www.youtube.com/watch?v=gcDYiYgUCzg&list=PLmvhcyi4n0TVgcroqXl5QvJM0afUes_zX&index=6 ➤ Ford Transit Camper Van Electrical Install: https://www.youtube.com/watch?v=E5q7_4FH4LQ&t=2874s&list=PLmvhcyi4n0TVgcroqXl5QvJM0afUes_zX&index=3&t=1897s ➤ DIY Sprinter Camper Van Electrical Install - Full Tutorial: https://www.youtube.com/watch?v=01F4QDVJUq0&list=PLmvhcyi4n0TVgcroqXl5QvJM0afUes_zX&index=3&t=1897s ➤ Binge the Transit Van Build: https://www.youtube.com/playlist?list=PLmvhcyi4n0TVfA4XCYJBkzfUXunSON1zX 00:00 Introduction 00:24 What is the purpose of a battery monitor? 01:25 Is a battery monitor necessary? 02:12 $10 vs $100 battery monitor: What's the difference? 04:35 SOC vs DOD 05:42 What is a shunt? 07:04 How does a shunt work? 08:15 How does a shunt display data? 10:22 Shunt vs Internal BMS