Quality

Reliability / Safety

Reliability / Safety

Electrical Safety Tests
Items Specification Result
Short Circuit at 25 ℃ No explosion or no fire; and the temperature of the battery shall not exceed 150 ℃ pass
Short Circuit at 55 ℃ No explosion or no fire; and the temperature of the battery shall not exceed 150 ℃ pass
Abnormal Charging No explosion or no fire; and the temperature of the battery shall not exceed 150 ℃ pass
Over-charging No explosion, no fire, no leakage, or no venting pass
 
Mechaniacl Safety Tests
Items Specification Result
Vibration No explosion, no fire, no leakage, or no venting pass
Shock No explosion, no fire, no leakage, or no venting pass
Crush test No explosion or no fire pass
Impact test No explosion or no fire pass
Drop test No rupture or ignition pass
 
Environmental Safety Tests
Items Specification Result
Heating Test No explosion or no fire. pass
Temperature Cycling No explosion, no fire, no leakage, or no venting. pass
Altitude Simulation No explosion, fire, leakage, or venting. pass
High Humidity Storage Performance No gassing and no leakage pass
High Temperature Storage Performance No gassing and no leakage swelling less than 2%


Battery Safety Assurance
1. Design rule base on IEEE 1725
2. Design Review includes safety test results
3. All cell models pass UL 1642
4. Pack models pass UL 2054/IEC60950/62133
5. All delivered models pass UN 38.3
6. Identify safety critical process and enhance control
7. ORT Test to monitor process stability