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-22℃（12V
Circuit）
-22℃（12V
Circuit）
If the temperature is lower than the protection
temperature for 20s, the protection will be triggered, the
switch of 12V circuit will be opened, and the BMS power
will be cut off immediately
Discharge Low
Temperature
Protection Recovery
-15℃
51.2V Circuit
& 12V Circuit
-15℃
51.2V Circuit
& 12V Circuit
If the temperature is higher than the protection recovery
temperature for 10s, the protection will be released and
the relay will be closed
If the battery is restarted or activated by PV charging
after the battery temperature rises above the protection
recovery temperature, the protection will be released,
the switch of 12V circuit will be closed, and the BMS will
restore power immediately
Short Circuit Protection
Delay
100ms 100ms
Short Circuit Protection
1920A 1920A Fuse I2t=1575000
Short Circuit Protection
Recovery
Remove the short circuit and restart the battery
Uneven Temperature
Primary Warning
15℃ 15℃
If the temperature is higher than the primary warning
temperature for 10s, a warning will be triggered and a
primary warning message will be sent out
Uneven Temperature
Secondary Warning
20℃ 20℃
If the temperature is higher than the secondary warning
temperature for 10s, a warning will be triggered and a
secondary warning message will be sent out
Warning Recovery
10℃ 10℃
If the temperature is lower than the warning recovery
temperature for 10s, the warning will be cleared
Uneven Voltage
Primary Warning
500mV 500mV
If the voltage is higher than the primary warning voltage
for 10s, a warning will be triggered and a primary warning
message will be sent out
Uneven Voltage
Secondary Warning
800mV 800mV
If the voltage is higher than the secondary warning voltage
for 10s, a warning will be triggered and a secondary
warning message will be sent out
Uneven Voltage
Warning Recovery
300mV 300mV
If the voltage is lower than the warning recovery voltage
for 10s, the warning will be cleared
• Battery 101
How to quickly calculate power for consumption, and recharge. There is a physical limit to the amount of
stored energy, so energy must be budgeted. You can determine what each activity, or load will “cost you”
in watt-hours. This will help you understand energy usage, and how to make your reserve last when a
charging source in not available.
To be able to manage energy, there needs to be a basic understanding of a few mathematic equations to
convert energy from one source to the same source as the battery. The first step is a basic understanding
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