| Brand Name: | TINKO/OEM | 
| Model Number: | 27148101 | 
| MOQ: | 2000PCS | 
| Price: | Negotiable | 
| Supply Ability: | 100pcs/day | 
Rechargeable Lithium-ion battery Cell 3.7V 50ah  for Electric Vehicles
 
 
 
Product Parameters
 
|   | Specification | Remarks | 
| Appearance |   | |
| Dimensions | 
 (27±0.5) mm*(148±0.5) mm*(101±0.5) mm | 
 | 
|   | 872g±10g | |
|   | 3.65V/3.7V | 1C/0.33C | 
|   | ≤1.0mΩ | 25℃ , 50%SOC | 
| DC Resistance | ≤2.0mΩ | 25℃ , 5C,10s,50%SOC | 
|   | 50Ah | 1C,25℃ | 
|   | 2.8V~4.3V | 
 
 
Charging Properties
 
| 项目 Item | 规格 Specification | 备注 Remarks | 
| 
 Maximum Continuous Charge Current 
 | 
 1C | 
 25~45℃ | 
| 
 Maximum Allowable pulse Charge Current 
 | 
 5C | 
 25~45℃,10s | 
| 
 Maximum Allowable Charge Voltage 
 | 
 4.3V | |
| 
 Maximum Allowable Charge Temperature Range 
 | 
 -20℃~55℃ | |
| 
 Optimum Charging Temperature Range 
 | 
 10℃~35℃ | 
 
 
 
Discharging Properties
 
|   | Specification | Remarks | 
| 
 Maximum Continuous Discharge Current 
 | 
 3C | 
 25~45℃ | 
| 
 Maximum Pulse Discharge Current 
 | 8C | 25~45℃,10s | 
| 
 Minimum Allowable Discharge Voltage 
 | 2.8V | 0℃~55℃ | 
| 2.4V | -30℃~0℃ | |
| 
 Maximum Allowable Discharge Temperature Range 
 | 
 -30℃~55℃ | |
| 
 Optimum Discharge Temperature Range 
 | 
 10℃~35℃ | |
| 
 Room Temperature Discharge Capacity 
 | 
 ≥50Ah | 
 25℃ , 1C ,2.8-4.3V | 
| 
 High Temperature Discharge Capacity 
 | 
 ≥50Ah | 
 45℃ , 1C ,2.8-4.3V | 
| 
 Low Temperature Discharge Capacity / Energy Retention 
 | 
 ≥80% | -20℃ , 1C ,Cut-off Voltage 2.4V | 
| C-rate discharge Capacity Retention Rate 
 | 
 ≥90% | 
 25℃ , 3C | 
 
 
 
