All Questions
7
questions
1
vote
1
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36
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How to measure Lithium-ion battery SoC?
I have a 48 V 1.2 Ah Lithium-ion battery pack.
I am struggling in finding a way to measure its State of Charge.
It will be charged through a 13S JBD BMS.
I need to spit out information from the ...
0
votes
0
answers
232
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Battery nominal capacity estimation using Coulomb Counting and Matlab lsqnonlin
I'm trying to estimate the nominal capacity of a PV plant battery pack collecting SOC data from the BMS using current discharge. Once I've collected current, time and SOC data I put those data into ...
0
votes
1
answer
520
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CR2450 Battery SOC vs. Voltage
Just purchased some Maxell CR2450HR batteries off AliExpress for my TPMS sensors. Don't know how long they have been in storage. Is there a way to check how good these batteries are? Measured the open ...
- 1
0
votes
1
answer
307
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Estimating SOC using coulomb counting with DSP
I am trying to estimate the SOC of a battery using the Coulomb Counting technique. I am implementing the following equation on a DSP inside PSIM:
$$
SOC[K] = SOC[K-1] - \frac{I_{Bat}}{Q_{Bat}}\cdot{Ts}...
- 105
0
votes
2
answers
30k
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Below which voltage should an AGM deep cycle battery cease to supply charge to devices
I am using an AGM deep cycle battery 130Ah 12V connected to 200W solar panels and a 500W inverter to power electrical devices such as fans, laptops and lamps. The inverter has an automatic cutoff ...
- 185
-2
votes
2
answers
5k
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How to calculate battery's energy?
To calculate battery's energy, one should use the nominal voltage or 100% SOC voltage?
- 413
3
votes
3
answers
7k
views
Determine SOC of a lithium ion battery
How can I measure the state of charge (SOC) of a lithium ion battery.?
I know it is a very common question and I can google it, so I did google it and read about all the techniques for e.g Coulomb ...
- 553