Safety Instructions

12
Battery Management System
Warning and Protection
The battery contains a battery management system (BMS) that warns the user and protects
the battery from overvoltage, undervoltage, overcurrent, short circuit, high temperature, and
low temperature. Please refer to the following table for the triggering and recovery condition
of each warning and protection.
Battery Operation Status Condition
Battery Overvoltage Protection
Trigger Battery Voltage≥14.8V
Recover
Battery Voltage≤13.8V/
Discharge Current≥1A
Battery Cell Overvoltage Protection
Trigger Battery Cell Voltage≥3.7V
Recover
Battery Cell Voltage≤3.45V/
Discharge Current≥1A
Battery Undervoltage
Warning
Trigger Battery Voltage≤12V
Recover
Battery Voltage≥12.4V/
Charge Current≥1A
Protection
Trigger Battery Voltage≤10V
Recover
Battery Voltage≥12.4V/
Charge Current≥1A
Battery Cell Undervoltage
Warning
Trigger Battery Cell Voltage≤3.0V
Recover
Battery Cell Voltage≥3.1V/
Charge Current≥1A
Protection
Trigger Battery Cell Voltage≤2.5V
Recover
Battery Voltage≥3.1V/
Charge Current≥1A
Charge High Temperature
Warning
Trigger Battery Temperature≥122°F (50°C)
Recover Battery Temperature≤113°F (45°C)
Protection
Trigger Battery Temperature≥131°F (55°C)
Recover Battery Temperature≤113°F (45°C)
Discharge High Temperature
Warning
Trigger Battery Temperature≥131°F (55°C)
Recover Battery Temperature≤122°F (50°C)
Protection
Trigger Battery Temperature≥131°F (60°C)
Recover Battery Temperature≤122°F (50°C)
Charge Low Temperature Warning
Trigger Battery Temperature≤44.6°F (7°C)
Recover Battery Temperature≥50°F (10°C)