From Recurrent.

🔋 If you own an EV with a Lithium Iron Phosphate (LFP) battery, you might be wondering: Should you charge it to 100%? The answer isn’t as simple as yes or no, but don’t worry—we’ve got you covered! In this video, we break down the science behind LFP batteries and whether charging to 100% is good or bad for long-term battery health.

Want to brush up on LFP battery basics? Check out this video: https://youtu.be/nCp8dgjeCfg

💡 Key Takeaways:
1️⃣ LFP batteries are still lithium-ion batteries, meaning they last longer when kept between 20-80% charge. Regular full charges can lead to faster degradation over time.
2️⃣ Some manufacturers, like Tesla and Ford, recommend charging to 100%—but that’s not for battery health. It’s actually for Battery Management System (BMS) calibration* helping your car estimate range more accurately.
3️⃣ While LFP batteries are more durable than other lithium-ion types, it’s still best to avoid frequent 100% charges. However, if you’re going on a long trip, don’t stress—a full charge once in a while won’t drastically impact battery life.

🚗 Why Does Tesla Recommend Charging to 100%?
Tesla advises LFP EV owners to fully charge occasionally because the BMS needs recalibration to accurately predict the range. If you’ve ever had your phone’s battery percentage suddenly drop, it’s because the system doesn’t have a clear idea of its charge levels. Hitting 100% once in a while helps your EV’s BMS provide accurate range estimates—but it doesn’t help the battery itself.

⚡ Best Charging Practices for LFP Batteries
– Daily Driving? Keep your charge between 30-80% to maximize lifespan.
– Occasional Full Charge? Yes, if your manufacturer recommends it—but only for BMS calibration.
– Long Road Trip? Charge to 100% just before driving to avoid battery stress.

📢 What’s Your EV Charging Routine?
Do you charge your LFP battery to 100%, or do you stick to 80%? Drop a comment below—we’d love to hear your experience!

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