Shenzhen XUWEN Technology Co.,Ltd
Factory of lithium-ion battery packs, lithium battery protection management systems, lithium battery testing equipment.
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18650 Rechargeable 3.7V Li Ion Battery Cell 2S3P 9000mah 7.4V Lithium Ion Battery Packs
| Battery Model | 7.4V 9000mAh 18650 Lithium ion battery |
| Nominal Capacity | 9000mah |
| Nominal Voltage | 7.4v |
| Storage Voltage | 7.6v~7.8v |
| Charging Cut-off Voltage | 8.4v |
| Discharging Cut-off Voltage | 6.0v |
| Standard Charge Current | 0.5C |
| Maximum Charging Current | 1C |
| Max Discharging Current | 3C |
| Battery Size | 18*108*65mm or 36*54*65mm |
| Charging Method | CC-CV (constant voltage with limited current) |
| Operating Temperature
| Charge: 0 to 50 °C |
| Discharge:-20 to 60°C |
FAQ
1,Q: What's the main product in XUWEN?
A: Rechargeable battery: Li-ion, Lipo battery and power battery pack.
2,Q: What is overcharge?
A: After charge, tested the batteries' initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode.
Observe changes in battery appearance.
3,Q: What is over discharge?
A: After charge, test the batteries' initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in
battery appearance.
4. Q: Can I have a sample order?
A: Yes, we accept sample order to test and check quality. Batteries can be made as require.
5. Q: Do you have MOQ limit?
A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.
6. Q: How about the lead time?
A: Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.
7. Q: How about shipping and delivery time?
A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP
service, delivery time is 11-15 business days. Airline and sea shipping also available.
8. Q: What about after-sale service?
A: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.