Description
There are two model in ELB company- 4800mAh 15A 21700 battery and 5000mah 10A 21700 battery. Both of them are design with NCM chemistry to support power application.
The Main features of ELB 21700 batteries:
- 4800mah 3C and 5000mah 2C optional.
- Proven operating wide temperature: -20℃~60℃.
- Standard 21700 Size(D21*H70mm).
- 800tims cycle life@80%DOD.
- High quality NCM chemistry, which have light weight and large energy density.
The Certification that ELB Got:
- ELB Battery certification
Check details in ELB certification center.
21700 4800mAh 3C
Main technical parameter of the ELB 4800mAh 3C 21700 batteries:
NO. |
Item |
Standard |
1 |
Standard Capacity |
4800mAh |
2 |
Minimum Capacity |
4750mAh |
3 |
Standard Voltage |
3.6 V |
4 |
Dimension |
D21*H70mm |
5 |
Charge Conditions |
Cut-off Voltage |
4.2±0.05V |
|
|
Cut-off Current |
0.01C |
6 |
Max. Charging Current |
2250mA |
7 |
Discharge Cut-off Voltage |
2.75V |
8 |
Standard Discharge Current |
4800mA |
9 |
Fast Discharge Current |
4800mA |
10 |
Max. Continuous Discharge Current |
13500mA |
11 |
Pulse Discharge Current |
20000mA,5s |
12 |
Cycle Characteristic |
500 times(100%DOD) |
|
|
800 times(80%DOD) |
|
|
1000 times(50%DOD) |
13 |
Working Temperature |
Charge:0℃~45℃ |
|
|
Discharge:-20℃~60℃ |
14 |
Storage Temperature |
-20℃~60℃ |
15 |
Cell Weight |
Approx 72g |
21700 5000mAh 2C
Main technical parameter of the ELB 5000mAh 2C 21700 batteries:
NO. |
Item |
Standard |
1 |
Standard Capacity |
5000mAh |
2 |
Minimum Capacity |
4950mAh |
3 |
Standard Voltage |
3.6 V |
4 |
Dimension |
D21*H70mm |
5 |
Charge Conditions |
Cut-off Voltage |
4.2±0.05V |
|
|
Cut-off Current |
0.01C |
6 |
Max. Charging Current |
2500mA |
7 |
Discharge Cut-off Voltage |
2.75V |
8 |
Standard Discharge Current |
5000mA |
9 |
Fast Discharge Current |
5000mA |
10 |
Max. Continuous Discharge Current |
10000mA |
11 |
Pulse Discharge Current |
20000mA,5s |
12 |
Cycle Characteristic |
500 times(100%DOD) |
|
|
800 times(80%DOD) |
|
|
1000 times(50%DOD) |
13 |
Working Temperature |
Charge:0℃~45℃ |
|
|
Discharge:-20℃~60℃ |
14 |
Storage Temperature |
-20℃~60℃ |
15 |
Cell Weight |
Approx 80g |
FAQs
Q1. Can I have a sample order about ELB 21700 battery?
A. Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A. Sample needs 5-10 days, mass production time needs 3-5 weeks, it depends on order quantity.
Q3. Do you have any MOQ limit the ELB 21700 battery?
A. Yes, we have MOQ for mass production, it depends on the different part numbers. 1~10pcs sample order is available. Low MOQ, 1pc for sample checking is available.
Q4. How do you ship the ELB 21700 battery and how long does it take to arrive?
A. We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.
Q5. How to proceed with an order about ELB 21700 battery?
A. Firstly let us know your requirements or application. Secondly, We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places a deposit for formal order. Fourthly We arrange the production.
Q6. Is it OK to print my logo on the product?
A. Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q7. How about cycles life of your battery?
All of batteries are 800 cycles life beyond 80% DOD.
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