Charging Best Practices of Tesla Model 3 With LFP Battery

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Published Apr 5, 2021

Reddit user and Model 3 owner with LFP battery Coinionaire has some good tips of best practices when it comes to charging your MIC Model 3 SR+ with LFP battery pack (More https://www.torquenews.com/1/lfp-batteries-pros-and-cons-elon-shifts-some-teslas-lfp)

"As is well known, the 'daily' and 'trip' segments from the charge limit settings have been removed and there is that one Chinese social media Tesla statement going around with a recommendation to charge the car to 100% at least once a week. This is a surprise for EV owners who are used to NMC/NCA batteries that experience high degradation at 100% state of charge (SOC). Charging this high would obviously benefit the available depth of discharge (DOD) at a given minimum charge of say 20% and positively impact the overall range," writes Coinionaire.

Then he brings up 3 discussion points.

1. LFP batteries outperform NMC and NCA in the full cycles available until the battery is declared as 'done' at 80% of its original capacity.

2. LFP batteries still degrade faster at a higher DOD and when charged to 100% SOC, however, less so than NCA/NMC. In combination with more available cycles, it may therefore be fine to utilize a wider percentage range of the battery and frequently charge LFP to full.

3: Given the above, charging LFP regularly to 100% should not be problematic and may assist with battery management and SOC/range accuracy.

Then he makes two conclusions.

Scenario 1: Charge at home

In this case, I would personally charge my Model 3 to 100% once a week before driving it off to give the battery management system its reference point but whilst avoiding to have it sit at 100% unnecessarily.

Scenario 2: Reliance on public chargers

In this case, if I could get away with charging the car once a week, I would always charge it to 100% and utilize 80% DOD until a 20% buffer is reached before recharging.

#Tesla
#LFPBattery
#TeslaBestPractices

This is Armen Hareyan from Torque News. Please follow us at https://twitter.com/torquenewsauto on Twitter and https://www.torquenews.com/ for daily automotive news.

Reference
Reddit https://www.reddit.com/r/teslamotors/comments/mh0w0i/2021_mic_model_3_sr_with_lfp_battery_pack_my/
IOP Science https://iopscience.iop.org/article/10.1149/1945-7111/abae37

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