B51100 User Manual
When the charge current
＞
90A, current limit protection mode is activated, current will be
limited to 1A，protection is removed after rated time delaying 10S. Circulate like this until the
current is lower than 90A.
Over Current Protection in Discharging：
When the discharge current is higher than 100A, the battery buzzer alarms and the system stops
discharging after 15s. After protection, the discharging will restore in 60s delay or immediately
when there is charging current.
Caution:
The buzzer sound alarm setting can be manually turned off on the background software, and the
factory default is on.
2.4.3 Temperature Protection
Low/Over temperature protection in charging：
When battery’s temperature is beyond range of 0 ℃ ~+55 ℃ during charging, temperature
protection is activated, device stops charging.
The protection is over when temperature back to rated working range.
Low/Over temperature protection in discharging：
When battery’s temperature is beyond range of -20 ℃~+55℃ during discharging, temperature
protection is activated, device stops supplying power to the outside.
The protection is over when temperature back to rated working range.
2.4.4 Other Protection
Short Circuit Protection：
When the battery is activated from the shutdown state, if a short circuit occurs, the system starts
short-circuit protection for 60 seconds.
Self-Shutdown：
When device connects no external loads and power supply and no external communication for
over 72 hours, device will dormant standby automatically.
Caution
Battery’s maximum discharging current should be more than load’s maximum working current.
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