3000mAh 21700 Rechargeable Li Ion Battery 3.2V 3.3v 3Ah 21.5×70.5mm

IFR21700 3.2V 3000mAh 9A Lifepo4 Battery Cell Lithium Iron Phosphate Batteries 21700 3.3v 3Ah 3C Single Cells

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.

Shenzhen XUWEN Technology Co.,Ltd is a comprehensive technology company specializing in the research, development, production and sales of various lithium-ion battery packs, lithium battery protection management systems, lithium battery testing equipment . Specializing in the production of power, energy storage, digital and other lithium batteries, lithium iron phosphate battery protection boards.

The company adheres to the principle of "mutual benefit and common development", and welcomes business negotiations and cooperative development. Product introduction: power battery protection board With equalization and temperature control. High-quality MOS tube protection current. Same port installation, simple and convenient.

Intelligent software protection board With CAN/RS485/RS232/RS232/RS422/USART/GPS positioning communication. Can be customized according to customer requirements. Our products are strictly tested in the laboratory. All data comply with CE, FCC, RoHS, ISO certification.