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- This FAQ article applies to all Vanguard battery packs -
> What is a Battery Management System?
BMS are electronic control circuits (PCB or module) that oversee various characteristics of the battery, including battery type, voltages, temperature, capacity, state of charge (SOC), power consumption, remaining operating time, and charging cycles.
The primary task of a BMS is to ensure the optimal use of the residual energy present in a battery, protecting it from deep discharge and over-voltage conditions that result from extremely fast charging and high discharge currents.
In multi-cell batteries (auch as Vanguard battery packs), the BMS also provides a cell balancing function to ensure that all cells charge and discharge uniformly.
> What are the key roles and functions of a BMS?
Voltage Monitoring
Continuously monitors individual cell voltages to prevent overcharging and overheating.
Current Regulation
Precisely regulates current flow to prevent overcurrent conditions that can damage the battery and compromise safety.
Temperature Control
Maintains safe operating temperatures, preventing overheating and thermal runaway.
State of Charge (SOC) Estimation
Uses advanced algorithms to accurately estimate the remaining capacity of the battery, providing users with precise information about available energy.
Temperature Control
Maintains safe operating temperatures, preventing overheating and thermal runaway.
Cell Balancing
Ensures uniform charging and discharging of all cells in a multi-cell battery pack, enhancing performance and extending battery life.
- Calculate state-of-charge
- Caluclate state-of-health
CELL BALANCING
- Balance current
- Balance voltage
- Balance charge level
BATTERY PROTECTION
- Protect from overcurrent
- Protect from under & overvoltage
- Protect from under & overtemperature
- Protect from cyber threats
CHARGE / DISCHARGE CONTROL
- Control charge / discharge level
- Control charge / discharge current
- Control charge / discharge voltage
- Control charge / discharge temperature
