US $3.7850 - 100 piece
US $4.20101 - 500 piece
US $4.44501 - 2000 piece
Paramtents
Warranty 1 year
Maintenance 10 years
Main color Blue
OEM/ODM Available
MOQ 50pcs
Payment T/T, credit card,paypal, others
Port Shenzhen, Hongkong
Packing Suitable carton packing
Item Number POEAE-L-29
Keywords li-ion battery pack 3.7v 4400mah
Packging & Delivery
Min Order50 piece
Briefing
Detailed
Main parameters of li-ion battery pack 3.7v 4400mah
1 | Battery cell model | 18650 |
2 | Combination | 1S2P+PCM |
3 | Nominal voltage | 3.7V |
4 | Nominal capacity | 4.4Ah |
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 | 83mohm |
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 | Flow value | 3A |
16 | Weight | about 97g |
17 | Size | L*W*H= 36.6*20*65.5mm |
Not clear parts and invisible parts
The li-ion battery pack 3.7v 4400mah usually includes high end battery cells, top cap, label, connector and PCM all parameters related are customized according to your request.
Battery production flow
The typical applications of this li-ion battery pack 3.7v 4400mah are portable power source, camping lantern and hand-held tester.
This series of 3.2V&3.7V lithium ion batteries can be widely used in:
Flashlights, POS machine, fishing equipment, smart phone, bluetooth headest, loundspeakers, traffic tester, curing light, portable EGC monitor, portable oxygen loundspeakers, traffic tester, curing light, portable EGC monitor, portable oxygen handset.....
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 li-ion battery pack 3.7v 4400mah 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 li-ion battery pack 3.7v 4400mah,with 10 years experience and trustworthy forwarder partners, shipment won’t be a problem.
T/T, Paypal, credit card, western union andL/C payment are acceptable, choose a convenient way for yourself!
Company picture & brief introductionEstablished 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 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.
1. Q: Do you have 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 maybe 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 charger for battery?
A: Yes, we do. If you also need charger, please mention it when sending 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 manufacturer, and we sincerely welcome you to visit our factory!
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