3C discharge rated 21700 3.7v 5000mah li-ion battery pack for headlights
- group name
- Li-ion Battery
- Min Order
- 2 piece
- brand name
- POEAE
- model
- 21700 3.7v 5000mah li-ion battery
- Nearest port for product export
- Hongkong, Shenzhen, Guangzhou, Ningbo
- Delivery clauses under the trade mode
- FOB, CFR, CIF, EXW
- Acceptable payment methods
- T/T, L/C
- update time
- Fri, 26 Mar 2021 10:08:30 GMT
Paramtents
Warranty 1 year
Maintenance 10 years
Main color white/blue/black customized
OEM/ODM Available
Standard charge current 0.2C, 1A
Max continuous discharge current 2C,10 A
Charge voltage 4.2V
Custom Service Voltage, Capacity, Dimension, Casing, etc.
Item Number POEAE-L-611
Keywords 21700 battery 5000mah
Packging & Delivery
-
Min Order2 piece
Briefing
Detailed
Main parameters of 21700 battery 5000mah
1 | Battery cell model | 21700 |
2 | Combination | 1S1P+PCM |
3 | Nominal voltage | 3.7V |
4 | Nominal capacity | 5Ah |
5 | Standard discharge current | 0.2C |
6 | Max discharge current | 1C |
7 | Standard charge current | 0.2C |
8 | Fast charge current | 0.5C |
9 | Inner resistance | 90mohm |
10 | Over discharge cut off voltage/series | 2.4 ± 0.06V |
11 | Over charge protection voltage/series | 4.25 ± 0.03V |
12 | Discharge working temperature | -20-60°C |
13 | Charge working temperature | 0-45°C |
14 | Recommended storage temperature | 23 ± 5°C |
15 | Peak current | 15A |
16 | Weight | about 72.4g |
17 | Size | H*D= 75*21.6mm |
Details and image
The 21700 battery 5000mah usually includes high-end battery cells, PCM, label and electric wires all parameters related are customized according to your request.
Battery production flow
The typical applications of this 21700 battery 5000mah are car air pump, the fluorescent screen, and laser therapeutic apparatuses.
The series of 3.2V&3.7V lithium ion batteries can be widely used in:
Flashlights, POS machine, fishing equipment, smart phone, Bluetooth headset, loudspeakers, traffic tester, curing light, portable ECG monitor, portable oxygen making machine, portable outdoors speaker, vehicle intelligent terminal, LED light, handset, etc.
Our certificates of some batteries for reference
We got ISO9001 certification, some batteries are SGS, CE, PSE, KC, UL, IEC, RoHs and UN38.3 certified, MSDS can be provided.If the 21700 battery 5000mah you want doesn't have current certification, we could apply for you.
There is always a suitable way for you!
We could arrange sea, air and express (UPS, DHL, FEDEX, TNT, EMS, etc.) transportation for 21700 battery 5000mah , with 10 years experience and trustworthy forwarder partners, shipment won’t be a problem.
T/T, Paypal, credit card, western union and L/C payment are acceptable, choose a convenient way for yourself!
Company Information
Company picture & brief introduction
Established in 2007, Dongguan Liliang Electronics Co., LTD is a high-tech enterprise which is set R&D, manufacture, and sales in a body. We mainly engaged in custom Li-ion battery packs, Li-polymer battery packs, LiFePO4 battery packs and chargers, OEM&OEM are available. We established the firm business relationship with more than 1000 companies in domestic and overseas, registered our own brand“POEAE”, and have rich experience in research, development and manufacture batteries, you may save much more time and cost by ordering directly from us.
Why choose us?
1. Have been engaged in custom battery since 2007
2. Provide sample for free if amount less than USD5
3. Never exaggerate battery capacity
4. Battery management systems/PCMs are with the same quality as Seiko
5. Finished battery safety performance could reach UL, CE, KPS, KC, etc. testing standard
6. Got ISO9001 quality system certification
7. 5S factory with dust-free workshop
8. Process design far exceeds battery industry standard
9. 100% quality inspection
10. One year warranty, 10 years maintenance
Customer visiting & main markets
Our main markets are North America, Europe, Japan, Korea, and other countries in east Asia, etc.
FAQ
1. Q: Do you have the current sample in stock?
A: Usually we don’t have because different customers have different requests, even the voltage and capacity are the same, other parameters may be different. But we could finish your sample quickly once order confirmed.
2. Q: What’s the delivery time for mass production?
A: Usually 25-32days, it depends on the quantity, material, battery cell model and so on, we suggest to check delivery time case by case.
3. Q: What kind of certificates could you provide for the battery?
A: It’s custom-making design, no current certificate, but we could apply CE, UL, UN38.3 and other related certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates fee could be refunded.
4. Q: Do you offer the charger for the battery?
A: Yes, we do. If you also need the charger, please mention it when sending the inquiry, kindly note that our charger cost is not included in the battery cost.
5. Q: Are you manufacturer or simply trading company?
A: We are a manufacturer, and we sincerely welcome you to visit our factory!
We do custom battery, if there's no suitable design for you on our website, just take the CUSTOM TABLE on the website for reference or contact us directly to confirm the necessary parameters, we will customize a suitable one for you!