21700 4500mAh 10C High Rate Li Ion Batteries 3.6V Rechargeable 21700 Molicel Battery Cell
- Category: >>>
- Supplier: Shenzhen Genju Technology Co. Ltd.
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Product Overview
Description
Product Description
ltems | Specifications | Remarks | |
Rated charge | Limiting 4.5A and constant 4.2V charge for 1.5h or90mA taper current at 23 °C. | ||
Rated discharge | Constant 0.9A discharge until 2.5V at 23 °C. | ||
Rated capacity | 4.5Ah (Typical) 4.35Ah(Minimum) | Rated discharge capacity at 23 °C | |
Nominal voltage | 3.6V | Mean voltage during rated discharge afterrated charge. | |
Shipping voltage | ≥3.45V | Nominal. Approximate state of charge=30%. | |
Internal resistance | ≤ 8mΩ | By AC 1 kHz within 3~4 hours after 30% discharge. | |
End of charge voltage | 4.20±0.05V | ||
End of discharge voltage | 2.5V | Discharge voltage for determination of rated capacity. | |
Charging time | 1.5h | Rated charge. | |
Maximum charging current | 9A | High rate charge cycle will decay fast. | |
Maximum discharging current | 45A | Cycle life is reduced at high rates. | |
Allowable environment temperature Charging | 0~60°C | ||
Allowable environment temperature Discharging | -40~60°C | ||
Limit of cell surface temperature Charging | 0°~70°C | ||
Limit of cell surface temperature Discharging | -40~80°C | -20 °C~-40°C with reducing cut-ofdischarge voltage. | |
About Us
1.Experience
Genju has 16 years of experience in the battery industry.
2.Main
Over the past 16 years, we have cooperated with hundreds of enterprises at home and abroad. We are recognized by most of our peers and customers.
3.Quality
We strictly implement each inspection step, including appearance/short circuit quality inspection, electrical inspection, liability testing, etc. To ensure the quality of the product you receive, our batteries have passed UN38.3 certification, IEC62133 certification, MSDS certification, and CE certification. And do final inspection before shipment.
4.After-sales service
We provide one year warranty. Our well-trained engineers and staff will respond to your product within 12 hours and help you solve any product problems patiently and sincerely.
5.OEM & ODM
Any details (size, material, etc.) can be customized or changed according to your unique requirements.
Genju has 16 years of experience in the battery industry.
2.Main
Over the past 16 years, we have cooperated with hundreds of enterprises at home and abroad. We are recognized by most of our peers and customers.
3.Quality
We strictly implement each inspection step, including appearance/short circuit quality inspection, electrical inspection, liability testing, etc. To ensure the quality of the product you receive, our batteries have passed UN38.3 certification, IEC62133 certification, MSDS certification, and CE certification. And do final inspection before shipment.
4.After-sales service
We provide one year warranty. Our well-trained engineers and staff will respond to your product within 12 hours and help you solve any product problems patiently and sincerely.
5.OEM & ODM
Any details (size, material, etc.) can be customized or changed according to your unique requirements.
FAQ
1. Question: who are we?
Answer: We are based in Guangdong, China, start from 2018,sell to North America(10.00%),South America(10.00%),Mid East(10.00%),Western Europe(10.00%),Central America(10.00%),Northern Europe(10.00%),Southern Europe(10.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Africa(5.00%),Oceania(5.00%),Eastern Asia(5.00%),South Asia(5.00%). There are total about 11-50 people in our office.
2. Q: What are Genju’s main products?
A: 18650 ternary lithium battery, lithium battery pack, lithium iron phosphate battery, energy storage battery, portable energy storage equipment
3. Q: Can I have a sample order?
A: Yes, we accept sample orders to test and check quality. Batteries can be made as needed.
4.Q: Do you have any minimum order quantity limit?
A: Yes, we have MOQ limit for mass production, but it depends on the battery model. Please contact us.
5. Q: How about the delivery time?
A: Samples will take 5-7 working days. Mass production takes 25-30 days. It depends on the quantity.
6. Q: How about the delivery method?
Answer: Accept delivery terms: FOB, CIF, EXW, CIP, DDP;
7. Q: Why should you buy from us instead of other suppliers?
A: Business model integrating industry and trade
Industry's highest quality
Sufficient supply
Fast delivery
Support customization
8. Q: How about the after-sales service?
A: We will provide you with 1 year warranty. If there are any problems, please let us know and we will provide you with a positive solution.
Answer: We are based in Guangdong, China, start from 2018,sell to North America(10.00%),South America(10.00%),Mid East(10.00%),Western Europe(10.00%),Central America(10.00%),Northern Europe(10.00%),Southern Europe(10.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Africa(5.00%),Oceania(5.00%),Eastern Asia(5.00%),South Asia(5.00%). There are total about 11-50 people in our office.
2. Q: What are Genju’s main products?
A: 18650 ternary lithium battery, lithium battery pack, lithium iron phosphate battery, energy storage battery, portable energy storage equipment
3. Q: Can I have a sample order?
A: Yes, we accept sample orders to test and check quality. Batteries can be made as needed.
4.Q: Do you have any minimum order quantity limit?
A: Yes, we have MOQ limit for mass production, but it depends on the battery model. Please contact us.
5. Q: How about the delivery time?
A: Samples will take 5-7 working days. Mass production takes 25-30 days. It depends on the quantity.
6. Q: How about the delivery method?
Answer: Accept delivery terms: FOB, CIF, EXW, CIP, DDP;
7. Q: Why should you buy from us instead of other suppliers?
A: Business model integrating industry and trade
Industry's highest quality
Sufficient supply
Fast delivery
Support customization
8. Q: How about the after-sales service?
A: We will provide you with 1 year warranty. If there are any problems, please let us know and we will provide you with a positive solution.
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