How Does a BMS Estimate State of Health (SOH)?
How does a BMS estimate state of health (SOH)? Learn how capacity fade and resistance reveal battery aging.
State of Power (SOP) and State of Energy (SOE) in EV BMS
What is State of Power (SOP) and State of Energy (SOE) in EV battery management? Learn how they go beyond SOC.
What Is State of Function (SOF) in a BMS?
State of function (SOF) in a BMS explained: the battery’s yes-or-no verdict on a job — how SOF differs from SOC, SOH and SOP, and how it is calculated.
How Accurate Is the BMS SOC Reading in an EV?
How accurate is the BMS SOC reading in an EV? Learn why estimates drift and how they’re corrected.
What Is Coulomb Counting in BMS?
What is coulomb counting in BMS? Learn how it estimates SOC and why it needs correction over time.
What Is Open Circuit Voltage (OCV) in BMS?
What is Open Circuit Voltage (OCV) in BMS? Learn how resting voltage helps correct SOC estimates.
How Does the Kalman Filter Work in EV BMS?
How does the Kalman filter work in EV BMS? Learn how it corrects SOC estimates in real time.
Why Does BMS SOC Show Wrong Percentage Sometimes?
Why does BMS SOC show wrong percentage sometimes? Learn the common causes and when it’s actually a problem.
What Is Cell Balancing in an EV BMS?
What is cell balancing in an EV BMS? Learn how it keeps every cell in the pack working evenly.
Passive vs Active Cell Balancing: What’s the Difference?
Passive vs active cell balancing: what’s the difference? Compare how each method works and which EVs use them.
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