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Items | Parameter |
Cell model | WLY 1254 |
Nominal voltage | 3.7V |
Minimum capacity | 60mAh(0.2C discharge) |
Typical capacity | 62mAh(0.2C discharge) |
Charging voltage | 4.2V |
Discharging cut-off voltage | 3.0V |
Standard charging | 0.2C /4.2V |
Max charging | 1.0C /4.2V |
Standard discharging | 0.2C/3.0V |
Continued discharging | 0.5C / 3.0V |
Weight | Appr:1.3g |
Shipment voltage | 3.85-4.15V |
Cell Internal Resistance | ≤600 mΩ |
Maximum charging current | 0°C~10°C 0.2C max |
10°C~20°C 0.5C max | |
20°C~45°C 1.0C max | |
Maximum discharge current | -5°C~0°C 0.2C max |
0°C~25°C 0.5C max | |
25°C~60°C 1.0C max | |
Operating temperature | Charging: 0°C ~ 45°C |
Discharging: -5°C ~60°C | |
Storage (Relationship between storage time and temperature at 50% capacity) | 0℃~25℃ (12 months, ≥80% ) |
0℃ ~45℃ (6 months, ≥80% ) | |
20±5℃ is the recommended storage temperature | |
Visual Inspection | There should not be any remarkable scratches, cracks,bolts, cauterization, deformations, swelling , leakage and so on on the surface of the cell. |
Cell Outline Drawing
Mark | description | Dimensions |
Th | thickness | ≤5.6mm |
A | Pole ear length | 6±2 mm |
B | Arc between the ears | 50±5.0° |
C | Pole ear width | 1.5±0.2mm |
D | diameter | ≤12.3 mm |
E | Pole ear thickness | 0.1±0.01mm |
F | Exposed length of pole ear glue | 0.2-2.0mm |
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