Active Member
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[China]
Address: Topband Industry Park,Tangtou Town,Bao'an District,Sheznzhen,China
Contact name:Jerry Yang
Shenzhen Topband Battery Co., Ltd |
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| Item | Specification | Remark | |
| 5.0 Nominal Capacity | 10Ah | 0.5C discharge capacity | |
| 5.1 Minimum Capacity | 10Ah | ||
| 5.2 Internal Impedance | ≤12.0mΩ | By AC 1KHz | |
| 5.3 Nominal Voltage | 3.20V | ||
| 5.4 Cell Weight | 310±20g | containing package | |
| 5.5 End-of-charge Voltage | 3.65V | At CC mode | |
| 5.6 End-of-charge Current | 0.05C | At CV mode | |
| 5.7 End-of-discharge Voltage | 2.00V | ||
| 5.8 Charge Method | 0.5C CC/CV | 180 min | |
| 5.9 Quick Charge Method | 1C CC/CV | 90 min | |
| 5.10 Max Continuous Discharge current | 22A | Continuous Discharge Time: 30 minutes | |
| 5.11 Max pulse Discharge Current | 33A | Continuous Discharge Time: 10 seconds | |
| 5.12 Cycle Life | ≥2000cycles | 0.5C Continual Discharge: ≥80% (100% DOD) | |
5.13 Operating Temperature Range | Charging Temperature | 0～45℃ | Ambient temperature:25℃±5℃ Cell exterior temperature must be <65℃ |
| Discharging Temperature | -20～55℃
| Ambient temperature: 25℃±5℃ Cell exterior temperature not exceed 80℃ | |
| Storage Temperature | -20～35℃ | Recommended temperature range for long term storage is –10~ +30°℃ | |
| 5.14 Shelf Life | 2 year | ||
| 5.15 Appearance | Without break, scratch, distortion, contamination, leakage and so on | ||
| Test item | Test Method | Criteria |
1. High Temperature Performance | A cell is charged in accordance with 6.2, and stored in an ambient temperature of 55℃±2℃ for 4 h,then discharged to cut-off voltage at a constant current of 0.5C. After that, fetch out the cell and place it in the ambient temperature of 23℃±2℃ for 4 h, then check its appearance. | 1.Capacity retention:≥95%; 2. No distortion, no rupture. |
2. Low Temperature Performance | A cell is charged in accordance with 6.2,and stored in an ambient temperature of -20℃±2℃ for 20hours,then discharged to cut-off voltage at a constant current of 0.5C. After that , fetch out the cell and place it in the ambient temperature of 23℃±2℃for 4hours, then check its appearance. | 1.Capacity retention:≥60%; 2.Nodistortion,no rupture |
| 3. 1C Normal Discharge Performance | A cell is charged in accordance with 6.2, then discharged to cut-off voltage at a constant current of 1C in an ambient temperature of 23℃±2℃. After that,fetch out the cell and place it in the ambient temperature of 23℃±2℃for 4h, then check its appearance | Capacity retention:≥95% |
| 4. 2C Normal Discharge Performance | A cell is charged in accordance with 6.2, then discharged to cut-off voltage at a constant current of 2C in an ambient temperature of 23℃±2℃. After that,fetch out the cell and place it in the ambient temperature of 23℃±2℃for 4h, then check its appearance | Capacity retention:≥90% |
5. Capacity Retention | A cell is charged in accordance with 6.2, and stored in an ambient temperature of 23℃±2℃ for 28d, then discharged to cut-off voltage at a constant current of 0.5C. | Capacity retention:≥80% |
6. Cycle Life (23℃±2℃) | A cell is charged to end-of-charge voltage at a current of 0.5C, and then charged at a constant voltage of 3.65V until the charge current is less than 0.05C, after that stored for 20min; Subsequently, the cell is discharged to cut-off voltage at a constant current of 0.5C, and stored 30min; prior to next charge-discharge cycle. The cell shall be continuously charged and discharged for 2000 times. | capacity retention:≥80% |
3. Similar LiFePO4 Battery Cells
| 3.2V Lithium Iron Phosphate Cells | ||||||
| Cell Model | Volt(V) | Capacity(Ah) | Inpendance(mΩ) | Weight(g) | Cycle life | Cycle condition |
| TB-01865135C-12Ah | 3.2V | 12Ah | ≤12 | 310±10 | 2000 cycles | 100% DOD |
| TB-02707145C-20Ah | 3.2V | 20Ah | ≤10 | 525±10 | 2000 cycles | 100% DOD |
| TB-02707145D-20Ah | 3.2V | 20Ah | ≤4 | 525±10 | 2000 cycles | 100% DOD |
| TB-02707180C-25Ah | 3.2V | 25Ah | ≤6 | 650±10 | 2000 cycles | 100% DOD |
| TB-02707180D-25Ah | 3.2V | 25Ah | ≤4 | 650±10 | 2000 cycles | 100% DOD |
| TB-02707180C-27Ah | 3.2V | 27Ah | ≤4 | 660±10 | 2000 cycles | 100% DOD |
4. Stotage & Transportation
5. LiFePO4 battery cells advantage
6. Certification
