China High Temp. Type E50/E55 C 2500mAh 1.2V Ni-CD Battery for Emergency Lighting, Find details about China Power Tool Battery, Ni-CD Battery from High Temp. Type E50/E55 C 2500mAh 1.2V Ni-CD Battery for Emergency Lighting
Test Item | Unit | Specification | Test Conditions | Remarks | |
Discharge performance | 20 ºCa | h | ≥5 | Standard Charge/Discharge | / |
min | ≥54 | After Standard Charge, stored for 1~4h, then discharged by 1.0ItA to 0.9V. | / | ||
Charge (capacity) retention | h/min | ≥3h15min | After Standard Charge, stored on open circuit for a period of 28days, then discharged by 0.2ItA to 1.0V. | / | |
Endurance in cycles | cycle | ≥500 | Appendix-table 3 | ||
Permanent charge endurance | h | ≥3 | Appendix-table 4 | / | |
Over charge | h | ≥5 | Charge:0.1ItA for 28d; Storage: 1~4h Discharge:0.2ItA to 1.0V | / | |
Safety device operation | Not disrupt or burst | Undergo a forced discharge at constant current 0.2ItA to 0V. Then discharged by 1.0ItA for 60min. | / | ||
StorageA | hour | ≥5 | Stored on open circuit for 12 months. Then standard charge/discharge. | / | |
Internal resistance | mΩ | ≤ | Within 1~4h after standard Charge (1000Hz) | / | |
Weight | g | XX(approx) | / | Reference | |
Vibration | No leakage, no fire, no explosion | IEC 62133-1: 2017 7.2.2 | / | ||
Free fall | No fire, no explosion | IEC 62133-1:2017 7.3.3 | / |