Product Information
1. Basic Parameters
Model: SC 1800mAh 1.2V
Nominal Voltage: 1.2V
Nominal Capacity: 1800mAh (discharged at 0.2ItA at 20℃)
Dimensions (Single Cell, including PVC): Diameter 22.2±0.3mm, Height 42.0±0.5mm
Typical Weight: 48g
Internal Impedance (measured at 1000Hz after charging): ≤10mΩ/cell
2. Charging & Discharging Parameters
2.1 Charging
Standard Charging: 180mA×15h, Ambient Temperature 0℃~+45℃
Rapid Charging: 900mA×2.4h (Ambient Temperature 0℃~+40℃); 1800mA×1.1h (-ΔV=10mV)
Trickle Charging: 36mA~100mA (0.02ItA-0.05ItA)
2.2 Discharging
Discharge Temperature: -20℃~+50℃
Discharge Cut-off Voltage: 1.0V/cell (0.2ItA), 0.9V/cell (1ItA), 0.8V/cell (2ItA-5ItA), 0.7V/cell (10ItA)
Minimum Capacity: 300min at 0.2ItA, 51min at 1.0ItA, 3.0min at 10ItA
High-Rate Discharging: ≥8min at 5ItA (to 0.8V/cell), ≥3.0min at 10ItA (to 0.7V/cell)
3. Environmental & Storage Parameters
Storage Temperature: -20℃~+40℃
Humidity Test: No electrolyte leakage for 14 days at 33℃±3℃ and relative humidity 80±5% (salt spray environment allowed)
Charge Retention: ≥3.0h discharge at 0.2ItA after 28 days of open-circuit storage following standard charging
Standard Test Environment: Temperature 25℃±5℃, Humidity 65±20% (unless otherwise specified)
4. Performance & Safety Parameters
Cycle Life: ≥500 cycles (compliant with IEC61951-1:2017, test environment 20℃±5℃)
Overcharge Performance: No significant deformation or leakage when charged at 0.1ItA for 48h
Overdischarge Performance: No fire or explosion when forced discharged at 0.2ItA to 0.0V, then at 1ItA for 90min
Vibration Test: No fire, explosion or leakage after 90min sine vibration (amplitude 0.76mm) at 10~55Hz in three mutually perpendicular directions (battery fully charged)
Short-Circuit Test: No explosion after 1 hour of short-circuit
Executive Standards: GB/T22084.1-2008 / IEC61951-1:2017
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