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602040 3.7v 400mah rechargeable lithium polymer battery for rc cars helicopter manufacturer in China

Categories	Li-polymer Battery
Brand	POEAE
Model	602040
Warranty	1 year
Maintenance	10 years
Main color	Silvery grey
OEM/ODM	Available
MOQ	1000pcs
Packing	Carton packing
Item Number	POEAE-L-183
Keywords	3.7v 400mah rechargeable battery
Unit Price	US $ 1.07-1.33 / piece
FOB port	Shenzhen, Hongkong,other
Terms of Payment	L/C, Western Union, MoneyGram, T/T, Paypal, Others
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Update Time	2021-09-22

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Detail Information

Product Introduction

Main parameters of 3.7v 400mah rechargeable battery

1	Battery cell model	602040
2	Combination	1S1P+PCM
3	Nominal voltage	3.7V
4	Nominal capacity	400mAh
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	205mohm
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	2.5A
16	Weight	about 7.6g
17	Size	LWH= 41206mm

Protection board circuit diagram

Not clear parts and invisible parts

The 3.7v 400mah rechargeable battery usually includes high end batterycells, PCM, electric wires and connectors, all parameters related are customized according to your request.

Battery production flow

Application Fields

The typical applications of this 3.7v 400mah rechargeable battery are attendance& access system,alcohol content tester, led cap light.

The series of 3.2V&3.7V lithium polymer 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 making machine, portable outdoors speaker, vehicle intelligent terminal, LED light, handset, …

Common models of lithium polymer battery

Capacity less than 1000mAh

NO.	model	capacity(mAh)	voltage(V)	resistance(mΩ)	measurement（LWH ±0.5mm）
1	102443	950	3.7	70	432410
2	303030	200	3.7	150	30303
3	401020	55	3.7	220	20104
4	402030	180	3.7	120	30204
5	402530	250	3.7	120	30254
6	452048	380	3.7	110	48204.5
7	502030	250	3.7	120	30255
8	502340	420	3.7	112	40235
9	502535	400	3.7	110	35255
10	502847	600	3.7	80	47285
11	503035	500	3.7	80	35305
12	503040	500	3.7	80	40305
13	503040	600	3.7	80	40305
14	522438	400	3.7	110	38245.2
15	552535	400	3.7	110	35255.5
16	553048	800	3.7	75	48305.5
17	602020	180	3.7	120	20206
18	602030	300	3.7	100	30206
19	602040	400	3.7	100	40206
20	602045	500	3.7	80	45206
21	602535	500	3.7	80	35256
22	603030	520	3.7	80	30306
23	603030	550	3.7	80	30306
24	603035	600	3.7	80	35306
25	603048	800	3.7	75	48306
26	603443	900	3.7	70	43346
27	703030	550	3.7	80	30307
28	742640	800	3.7	75	40267.4
29	751860	720	3.7	78	60187.5
30	751860	780	3.7	76	60187.5
31	802030	400	3.7	90	30208
32	901860	950	3.7	70	60189
33	932540	930	3.7	70	40259.3

Capacity between 1000mAh and 3000mAh

NO.	model	capacity(mAh)	voltage(V)	resistance(mΩ)	measurement（LWH ±0.5mm）
1	103040	1200	3.7	65	403010
2	103450	1800	3.7	60	503410
3	103560	2500	3.7	56	603510
4	355780	1300	3.7	15	80573.5
5	386888	1800	3.7	19	88683.8
6	503759	1200	3.7	65	59375
7	503759	1350	3.7	62	59375
8	503860	1250	3.7	65	60385
9	523450	1000	3.7	68	50345.2
10	603450	1000	3.7	68	503.46
11	604045	1200	3.7	65	45406
12	703048	1000	3.7	68	48307
13	803040	1000	3.7	68	40308
14	823291	2800	3.7	54	91328.2
15	853048	1200	3.7	65	48308.5

Capacity more than 3000mAh

NO.	model	capacity(mAh)	voltage(V)	resistance(mΩ)	measurement（LWH ±0.5mm）
1	104167	3300	3.7	50	674110
2	105080	5000	3.7	46	805010
3	114077	4100	3.7	50	774011
4	507097	4250	3.7	49	97705
5	526897	4300	3.7	50	97685.2
6	5566113	5000	3.7	56	113665.5
7	605080	3000	3.7	53	80506
8	606090	4000	3.7	51	90606
9	6068116	6000	3.7	49	116686
10	7050100	4000	3.7	51	100507
11	7242125	3200	3.7	19	125427.2
12	7566121	7000	3.7	45	121667.5
13	8570170	10000	3.7	40	170708.5
14	805080/83	4000	3.7	51	80/83508

Qualification certification

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 3.7v 400mah rechargeable battery you want doesn't have current certification, we could apply for you.

Shipping and Payment

There is always a suitable way for you!

We could arrange sea, air and express (UPS, DHL, FEDEX, TNT, EMS, etc.) transportation for 3.7v 400mah rechargeable battery, with 10 years experience and trust worthy 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 Informaiton

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.

FAQ

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!

Customize battery

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!