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| Categories | Rechargeable Lifepo4 Battery |
|---|---|
| Brand Name: | Topband |
| Model Number: | TB-Cell_R001L_1056130_5.0Ah_LFP |
| Certification: | ISO9001, ISO14001, MSDS |
| Place of Origin: | China |
| MOQ: | 3000 |
| Price: | Negotiable |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 450Mwh/year |
| Delivery Time: | 4-7 days for stock samples; 35-45 days for mass production |
| Packaging Details: | standard packages for 3.2V 5Ah Lifepo4 battery cells |
| Items: | 3.2V 5Ah lifepo4 battery cell |
| Type: | LifePO4 Cells |
| Normal Capacity: | 5000mAh |
| Mininum capacity: | 4800mAh |
| Internal Resistance: | ≤3.0mΩ |
| Weight: | 150g |
| Application: | EV, Automobiles,etc. |
| Nominal Voltage: | 3.2V |
| Warranty: | 3years |
| Size: | L 132* W57.5* T 10.6mm |
| Apprearance: | Pouch type cells |
| Keywords: | 3.2V 5000mAh lifepo4 cells, 3.2v 5Ah lifepo4 cells |
| Max Continuous Discharge current: | 35C |
| Max discharge current: | 70C (<10s) |
| Max charge: | 5C |
| Standard charge: | 1C |
| Discharge cut-off voltage: | 2.0V |
| Discharging temp.: | -20～60℃ |
This specification describes the technique standards, test methods and precaution notes of rechargeable pouch LiFePO4 cell, manufactured by SHENZHEN TOPBAND BATTERY CO.,LTD.
| No | Item | Specification | Remark |
| 3.1 | Nominal capacity | 5000mAh | 25±2℃ 0.5C Discharge capacity |
| 3.2 | Min capacity | 4800mAh | |
| 3.3 | Nominal voltage | 3.2V | |
| 3.4 | Charge cut-off voltage | 3.65V | |
| 3.5 | Charge current | Standard charge:0.5C (2.5A) | |
| Fast charge:1.0C (5.0A) | |||
| 3.6 | Charge time | Standard charge:3 hours (Ref.) | |
| Fast charge:2 hours (Ref.) | |||
| 3.7 | Max charge current | 5C (25A) | |
| 3.8 | Continuous discharge current | 35C (175A) | |
| 3.9 | Max discharge current | 70C (350A) | ≤10S |
| 3.10 | Discharge cut-off voltage | 2.0V | |
| 3.11 | Internal impedance | ≤3.0mΩ | |
| 3.12 | Weight | About 150g | |
| 3.13 | Dimension | Thickness:10.6mm Max | |
| Width:57.5mm Max | |||
| Length:132.0mm Max | |||
| 3.14 | Operating temperature | Charging temperature:5～45℃ Discharging temperature:-20～60℃ | |
| 3.15 | Storage temperature | -10～30℃ | |
| 3.16 | Appearance | No break,scratch,distortion,contamination,leakage. | |
| No | Item | Criteria | Testing method |
| 5.1 | 1C discharge performance | Retention capacity≥95% | Charge the cell at method 4.2 at Normal temperature; discharge it at 1C to cut-off voltage(Initial temperature )；And then charge it at method 4.2 , discharge it at 1C to the cut-off voltage again. |
| 5.2 | 30C continuous discharge capacity at normal temperature | Retention capacity ≥85%,Surface temperature ≤70℃ | Rested the cell at least 1h after it is full charged at 25℃±5℃,then discharge it at 30C to the cut-off voltage 2.0V. |
| 5.3 | Large current performance at normal temperature | Load voltage within 10S≥2.05V | Rest the cell at least 1h after it is full charged at 25℃±5℃,then test it according to the requirements:Discharge current =60C 10S,Load voltage within 10S ≥2.05V |
| 5.4 | 20C Continuous discharge current performance at low temperature (0℃) | Voltage at 5S≥2.5v Voltage at 90S≥1.8V | Freeze the battery module for 10h at 0℃ until it is full charged, then discharged it at required current =20C；until the voltage 1.8V, voltage at 5S ≥2.5V, voltage at 90S≥1.8V |
| 5.5 | 20C Continuous discharge current performance at low temperature (-18℃) | Voltage at 10S≥1.8V | Freeze the battery module for 20h at -18℃ until it is full charged, then discharged it at required current =20C；until the voltage 1.8V, voltage at 10S ≥1.8V |
| 5.6 | Discharge capacity at high temperature | Retention capacity ≥95% | Charge the cell at method 4.2；Discharge at 1C to the cut-off voltage；Charge the cell at method 4.2；store the cell at 55℃±2℃ for 5h,then discharge at 1C to the cut-off voltage at 55℃±2℃. |
| 5.7 | Cycle life at normal temperature | ≥2000 times | Charge the cell at 0.5C constant current and constant voltage at 25℃±5℃ to voltage 3.65V,current ≤0.03C, store it for 30min,then discharge it at constant current at 1.0C to the cut-off voltage 2.0V. Do the test until the capacity≤80% for 3 times. Cycle life≥2000times. |
| 5.8 | SOC at normal temperature | Residual capacity ≥95% of initial capacity；remain capacity≥ 98% of initial capacity | Charge the cell at method 4.2；discharge it at 1C to the cut-off voltage(Initial capacity)；Charge the cell at method 4.2；store it at 25℃±2℃ for 28 days；then discharge it at 1C to the cut-off voltage(Residual capacity); Charge the cell at method 4.2, discharge it at 1C to the cut-off voltage (Remain voltage). |
| 5.9 | SOC at high temperature | Residual capacity ≥90% of initial capacity；remain capacity≥ 95% of initial capacity | Charge the cell at method 4.2；discharge it at 1C to the cut-off voltage(Initial capacity)；Charge the cell at method 4.2；store it at 55℃±2℃ for 7 days；then discharge it at 1C to the cut-off voltage(Residual capacity); Charge the cell at method 4.2, discharge it at 1C to the cut-off voltage (Remain voltage). |
The Cell shall be shipped by insulated packaging and in voltage range of 3.20~3.40 V, and 50% SOC, or in accordance with customers’ requirement. The remaining capacity before charging shall depends on the storage time and conditions. To ensure the cells in a good transport environment is necessary.
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