Calculating the State of Health for a Lithium Ion Battery System

[@hamidalsaid6474]

Phenomenal way of explanation!. Well done Erik

[@boiboi3732]

this guy should be a lector. his explanation is very easy to understand. thank you bro. You deserve more view bro

[@itstrysten]

you just watched a lecture

[@tonymunn]

Thank you. My understanding of Li-Ion batteries and BMS' has been greatly increased.

[@staflsystems]

Thank you!

[@dhadumia]

Thank you for sharing such knowledge! And so crisp and clear explanation!

[@lindsayshantharubia8671]

You are just awesome!!! The concepts are not just clear but the way you teach also intrigues me to learn more from you, !!

[@jws3925]

This video series is excellent! Thank you for producing them. I did a little research on the products you offer and it appears you are most geared towards larger system such as those found in EV and large scale off site situations. Since my solar system is very small in comparison (remote cabin) I don't think any of your products would be appropriate. However, the knowledge from these videos is really valuable. I am presently using an Overkill BMS and, so far so good but it appears your BMS products are a completely different "animal."

[@KPsCoaching-sv6pw]

Excellent.... Very informative video....

[@ketanpatel4799]

very well explained and informative.. thanks

[@abhishekjain5995]

Great Explanation! Thanks you!

[@vtorsi610]

If the 70% SOC is measured in units of amp-hours then you would have LESS THAN 112 miles ( = 160 miles x 70% SOC ) remaining, due to the lower voltage and therefore lower energy. Whereas, SOC(energy) would be ~112 miles, until "empty" ...

[@whoknowswhodoesnt]

This explanation is superb, thank you. And could you please elaborate on how one can measure the actual battery capacity, for example of an electric car?

[@ncm122]

Very informative and easy to understand

[@Phemakorn]

Thank you so much. It's clear.

[@itstrysten]

I wish you would have mentioned the cause of wear. High current charging and discharging, over-charging, and thermal stress all contribute significantly to SoH dropoff

[@bharathsk2007]

Is it possible to measure the temperature of battery cell with the help of measured internal impedance of the battery? EIS method

[@robertobasf]

Hi, how the vehicle calculate the ESR along the time to evaluate the SOH?

[@mouncefsenhaji8205]

You are the best ! thank you so much ! Any videos about the kalman filter ?

[@mikkaeldunlop1291]

Sir Erik, how did you derive the 160Miles from the current max range I am a little bit confused? Can you help?

[@hardhikk5938]

this is really very helpful thank you.....!

[@awh243]

THANKYOU SIR

[@michaelgap1]

In another video you go into details of SOC(capacity) and SOC(energy). Wouldn't this distinction also be important here? What is the relationship of SOH(c) to SOH(e)? And just multiplying 70% SOC(c) with the remaining range seems like a mistake due to the same effect. Could you explain it here as a comment? Thank you!

[@pavletrubajic5269]

well he took soh into consideration,you would have to calculate the soh first in order to get the right results,think of it as a relationship between soh and soc,soh is the first thing to calculate and with that result you go on into calculation with soc,he couldnt multiply the 160 iles with 70% if he didnt get those 160 by calculating the soh first,you need the soh to get the soc or range remaining whatever it is, so its not a mistake,maybe you were confused with the soc telling it was 70% and it wasnt labeled as energy or capacity, idk i hope i helped

[@sureshkumar-cc1jq]

Great Work Sir, God bless for you time spending to explain the concept. Please apply Kalman filter and show the estimated range of drive.

[@waleedaftab4464]

I have a Li-ion battery say 10AH. How can i estimate its state of health. is this possible, then how?

[@PavolFilek]

SOH for capacity and for impedance is not one static value. If you have temps. range -15 - 60 *C and capacity 300 Ah and you want to calculate SOH, you have to calculate / 60 - ( -15 ) x 300 === 22500 point LUT / look up table /, because for each SOC and temp, impedance is different number.

[@focusdreamsmyself.1232]

How to know SOH % Calculation?

[@sohailansariadvocate]

impressive

[@ncm122]

I hope you can create a video, on recommending when to change a 12v lead acid battery. what is the critical SOH threshold that i can still charge my car battery and stretch my wallet further before i change a new car battery

[@RSmerlinRS]

4:17 I think you meant to say '20 milliOHMs'

[@shaharukhkhan9115]

Please conform battery charge ecplain soc

[@earnmoney5219]

Good

[@virtualdrive8619]

Am I the only one here who feels that Stafl looks like 'Bruce Banner' from the movie 'The Incredible Hulk' ? :)

[@mayurbalwani7277]

Nah. Looks like a Lite version of Tom Cruise! 😂

[@perry9492]

Great job on explaining this, especially without a strong Hindu accent LOL.

[@sazzal3016]

No offense, but has anybody seen Justin Trudeau in the video?