Custom 18650 Battery Packs

Our Vision: Provide world-class Lithium battery pack for customers world-widely
DNK Mission: to become an internationally renowned supplier of Rechargeable Lithium ion Battery.
Company values: integrity and pragmatic, responsibility

CUSTOM BATTERY DESIGN

DNK Power offers Custom 18650 Battery Pack Design Services for all of our customers without any charges, You can work closely with our Engineer from the beginning of your device.

ISO 9001 Certified

10 Years of experience and ISO 9001 Manufacturer ensure that All your 18650 battery packs are made right every time. What’s More, we have all the certificates like UL, KC, PSE, IEC.

UN TESTING

DNK Power has all the certificates of MSDS And UN 38.3 IEC 62133 for our 18650 batteries just ensure your fast Transport by Train, Sea Or Air, We will assist On transportation or even taxes

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At DNK Power, we provide services for custom 18650 battery packs for all your industrial businesses and equipment applications, The equipment or system or let’s say our business includes the following batteries

Applications:

A). Portable Equipment:
Post machine, handset, portable printer, data terminal;

B). Medical Instruments:
Ecg monitoring instrument, ultrasonic, breath machine, electrocardiograph,Ultrasound devices,Drug delivery systems,Patient monitors,Imaging systems: popular brands like Spectrum Imaging;ACD Systems;Orbital Atk;ECRM;Sirona;Nexus Publications,Ventilators,Defibrillators: Advanced Life Support (ALS), Automated External Defibrillators (AED), Implantable Cardioverter Defibrillators and Implantable Cardioverter Defibrillators (ICDs),Surgical tools: includes ENT Instruments Haemostatic Forceps Diagnostic Instruments Home Surgical Kit Anesthesia,Medical UPS Systems,Motorized wheelchairs

C). Industrial instrument and communication instrument:
Flaw detector, fusion splicer, optical power meter, gas detector

D). Consumer Electronics:
PDA, MID, PC, POS machine, electric tool, laptop. Ebike, emergency light power, data camera, DV, speaker, mp3, mp4 portable DVD and so on.

E). Portable Equipment:
POS, Portable printer, handset. Electric toy: RC car/ boat/helicopter etc.

Our intensive and rigid material selection, production, and QC testing ensure that all of the 18650 battery pack are assembled to meet or exceed customer expectations.

Since medical equipment are used to save lives, maintain health, so they will need high performance of 18650 battery packs to ensure the medical devices are working properly, a small failure would end in disaster. Our rich experiences in cooperation with some of the best industrial equipment brands help us to serve better also for you.

Rechargeable 18650 Battery Cell

18650 li-ion Battery Pack

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FAQ about 18650 battery packs

What is the range of voltage for the batteries?
3.7v 7.4V 12V 24V 36V batteries, with pvc or plastic casing
Can i custom my 18650 battery packs?
Yes welcome to contact us. And welcome to Download our Battery Design Ebook for your review(2M,20pags)
What can I use a 18650 Battery for?
18650 batteries are widely used in industrial devices, medical businesses, equipment and Small UPS Systems and etc.
How long will DNK 18650 battery packs Last?
That depends on many factors. In case there is no abuse, the DNK batteries are expected to last 2 to 3 years. Under ideal usage and storage conditions, we expect 4 to 6 years.
Why Your batteries are a little cheaper than your competitor?
All of our custom 18650 batteries are made and assembled at our own factory, and there is no markup –you are dealing with factory. The other reason is we are producing in large volume,and thus can buy cheap material in some way, by passing the value to our customers, we want to work closely with you to get more market.

Free Bonus18650 Battery Design Ebook Download (2M,20pags)

Samsung 18650 Battery Cell（Consumer Devices）

Cell Model	Type	Diameter(mm)	Height(mm)	Capacity(mAh)	Nominal Voltage(V)	Max Continuous Discharge Current(A)	Weight（G）
INR18650-13Q	Cylindrical	18	65	1300	3.6	15	43
ICR18650-22F	Cylindrical	18	65	2200	3.6	4.4	44.5
ICR18650-22P	Cylindrical	18	65	2150	3.6	10	44.5
ICR18650-26F	Cylindrical	18	65	2600	3.7	5.2	47
ICR18650-26H	Cylindrical	18	65	2600	3.63	5.2	47
ICR18650-26J	Cylindrical	18.4	65	2600	3.6	5.2	45
ICR18650-28A	Cylindrical	18.4	65	2800	3.75	5.6	48
ICR18650-30A	Cylindrical	18.25	65	2950	3.78	6	48
ICR18650-30B	Cylindrical	18.4	65	2950	3.78	5.9	48
INR18650-15M	Cylindrical	18	65	1500	3.6	23	45
INR18650-20Q	Cylindrical	18	65	2000	3.6	15	47
INR18650-20R	Cylindrical	18	65	2000	3.6	22	42.4
INR18650-25R	Cylindrical	18	65	2500	3.6	20	45
INR18650-29E	Cylindrical	18	65	2850	3.65	2.75	48
INR18650-30Q	Cylindrical	18	65	2950	3.6	15	48
INR18650-33G	Cylindrical	18.33	65.05	3150	3.6	6.5	47
INR18650-35E	Cylindrical	18	65	3350	3.6	8	50
INR18650-13B	Cylindrical	18	65	1300	3.6	23	45
INR18650-25S	Cylindrical	18.43	65	2500	3.6	35	47
INR18650-20S	Cylindrical	18.43	65	4800	3.6	10	48
ICR18650-29E	Cylindrical	18	65	2850	3.65	2.75	48
INR18650-15L	Cylindrical	18	65	1,500	3.6	18	43
INR18650-13L	Cylindrical	18	65	1,300	3.6	18	43
INR18650-13Q	Cylindrical	18	65	1,300	3.6	15	43

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Samsung 21700 Battery Cell

Cell Model	Type	Diameter(mm)	Height(mm)	Capacity(mAh)	Nominal Voltage(V)	Max Continuous Discharge Current(A)	Weight（G）
INR21700-33J	Cylindrical	21.1	70.15	3300	3.56	3.3	65.0±0.5
INR21700-48X	Cylindrical	21.15±0.20	70.65±0.15	4800	3.64	4.8	68.0g±1.5
INR21700-48G	Cylindrical	21.10	70.15	4800	3.6	30	69
INR21700-50S	Cylindrical	21.45	70.55	5000	3.6	25	72
INR21700-50G	Cylindrical	21.22	70.30	4850	3.63	9.7	69.5
INR21700-50E	Cylindrical	21.25	70.80	4900 min.	3.6	9.8	69
INR21700-40T	Cylindrical	21.22	70.30	4000	3.6	45	70.0
INR21700-30T	Cylindrical	21.22	70.30	3000	3.6	35	69

LG 18650 Battery Cell List

Cell Model	Type	Diameter(mm)	Height(mm)	Capacity(mAh)	Nominal Voltage(V)	Max.Discharge Current(A)	Weight（G）
ICR18650HB2	Cylindrical	18.3+0.1/-0.3	65.0±0.2	1500	3.65	30	48
ICR18650S3	Cylindrical	18.29±0.11	≤ 65.05	2200	3.6	4.3	47
ICR18650C2	Cylindrical	18.29 ± 0.11	≤ 65.05	2800	3.72	5.4	50.0 +/- 3.0
INR18650C4	Cylindrical	18.3 + 0.1/-0.3 mm	65.0 ± 0.2	1500	3.65	30	48
18650 MG1	Cylindrical	18.3 + 0.1/-0.3	65.0 ± 0.2	2850	3.62	10	46
INR21700 M50	Cylindrical	≤ 21.10	≤ 70.15	5103(18.2Wh)	3.63	7.275	68
ICR18650 MF1	Cylindrical	18.3 + 0.1/-0.3	65.0 ± 0.2	2150	3.65	10	44
ICR18650 B3	Cylindrical	18.29 ± 0.11	≤ 65.05	2600	3.65	3.75	48
INR18650 M26	Cylindrical	18.4	65.0 ± 0.2	2600	3.65	10	44
18650 HB6	Cylindrical	18.3 + 0.1/-0.3	65.0 ± 0.2	1500	3.65	30	48
18650 HE4	Cylindrical	18.3 + 0.2/-0.3	65.0 ± 0.2	2500	3.6	20	47
INR18650 MH1	Cylindrical	18.39 ± 0.11	≤ 65.15	3200	3.67	10	49
INR18650 F1L	Cylindrical	18.29 ± 0.11	≤ 65.15	3350	3.63	4.87	49
ICR18650 B4	Cylindrical	18.29 ± 0.11	≤ 65.05	2600	3.6	5	48
ICR18650 E1	Cylindrical	18.29 ± 0.11	≤ 65.05	3200(12Wh)	3.75	1.55	49
INR18650 MJ1	Cylindrical	18.4 +0.1 / -0.3	65.0 ±0.2	3500	3.635	10	49
ICR18650 D1	Cylindrical	18.29 ± 0.11	≤ 65.05	3000	3.75	5.8	48.5
18650 HD2C	Cylindrical	18.3 + 0.2/-0.3	65.0 ± 0.2	2100	3.65	20	48
18650 HE2	Cylindrical	18.3 + 0.1/-0.3	65.0 ± 0.2	1500	3.65	10	48
18650 HB3	Cylindrical	18.3 + 0.2/-0.3	65.0 ± 0.2	2100	3.65	20	48
18650 HJ2	Cylindrical	18.3 + 0.1/-0.3	65.0 ± 0.2	3000	3.6	1.5	46.5
INR18650-M50LT	Cylindrical	21.44	68.2	4600	3.96	0.96	68.2
INR18650 M58T	Cylindrical	21.8	71	5800	3.59	12.5	73.2
18650-hg2	Cylindrical	18.5max.	65.2	3000	3.6	20	47
INR21700 M52V	Cylindrical	21.5 max,	70.6 max,	5200	3.69	7.5	67.4

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Panasonic (Sanyo) Battery Cell List

Cell Model	Type	Diameter(mm)	Height(mm)	Capacity(mAh)	Nominal Voltage(V)	Max.Discharge Current(A)	Weight（G）
NCR18650 BD	Cylindrical	Max.18.25	Max.65.1	3000	3.6	10	Max.49
ICR18650 BL	Cylindrical	18.5	65	3200	3.6	7	Max.49
NCR18650 B	Cylindrical	Max.18.25	Max.65.1	3200	3.7	15	Max.47.5
NCR18650 BF	Cylindrical	Max.18.25	Max.65.1	3200	3.6	1.625	Max.47.5
NCR18650 G	Cylindrical	Max.18.5	Max.65.3	3550	3.6	4.87	Max.48.5
NCR18650 PD	Cylindrical	Max.18.6	Max.65.5	2900	3.6	10	Max.44.5
NCR18650 PF	Cylindrical	Max.18.25	Max.65.1	2700	3.6	-	Max.48
UR18650 AA	Cylindrical	Max.18.1	Max.64.8	2150	3.6	4.3	Max.43.1
NCR18650 GA	Cylindrical	Max.18.5	Max.65.3	3500	3.6	10	Max.48
UR18650 A	Cylindrical	Max.18.05	Max.64.7	2150	3.6	4.3	Max.43
UR18650 RX	Cylindrical	Max.18.6	Max.65.5	1950	3.6	20	Max.46.2
UR18650 W2	Cylindrical	Max.18.5	Max.65.1	1500	3.7	15	Max.47
UR18650 ZY	Cylindrical	Max.18.6	Max.65	2500	3.7	5	Max.48
NCR18500A	Cylindrical	18.15	49.36	2000	3.6	3.8	33.5
NCR18650A	Cylindrical	18.5	65.3	3070	3.6	6.2	47.5
NCR18650BM	Cylindrical	18.5	65.2	3200	3.6	3.63	49.5
NCR20650A	Cylindrical	20.35	65.3	3100	3.6	30	55.4
NCR20700A	Cylindrical	20.35	70.3	3300	3.6	30	60
NCR20700B	Cylindrical	20.35	70.3	4250	3.6	15	63
UR14430P	Cylindrical	14.3	43.2	700	3.7	1.4	18.5
UR14500P	Cylindrical	14.3	49.5	800	3.7	1.6	21
UR16650ZTA	Cylindrical	16.36	64.8	2500	3.7	4.84	40.5
UR18500F	Cylindrical	18.5	49.6	1700	3.7	3.4	34.5
UR18650AY	Cylindrical	18.05	64.7	2250	3.6	4.3	43
UR18650NSX	Cylindrical	18.5	65.3	2600	3.6	20	45.8
UR18650ZK	Cylindrical	18.5	65.1	2500	3.7	4.9	46.5
UR18650ZL2	Cylindrical	18.3±0.2	65.1+0.2/-0.25	2380	3.6	10	46.6
UR18650ZM2	Cylindrical	18.3±0.2	65.1+0.2/-0.25	2550	3.6	8	46.4
UR18650ZTA	Cylindrical	18.2	65	3000	3.7	5.8	48
CGR18650CG	Cylindrical	18.6+0/-0.7	65.2+0/-1.0	2250	3.6	10	45

Molicel Battery Cell List

Cell Model	Type	Diameter(mm)	Height(mm)	Capacity(mAh)	Nominal Voltage(V)	Max.Discharge Current(A)	Weight（G）	PDF Download
INR18650 P26A	Clindrical	Max.18.6	Max.65.2	2600	3.6	6	Max.48
INR21700 P42A	Clindrical	Max.21.7	Max.70.2	4000	3.6	45	Max.70
INR18650 P28A	Clindrical	Max.18.6	Max.65.2	2800	3.6	35	Max.50
INR18650 M35A	Clindrical	Max.18.6	Max.65.2	3500	3.6	10	MaX.48
INR21700 P45B	Clindrical	Max.21.6	Max.70.2	4500	3.6	45	Max.69
INR21700 P50B	Clindrical	21.4±0.15	70.00±0.15	5000	3.6	60	70
IHR18650B	Clindrical	Max.18.4	Max.65.2	2250	3.6	4.4	Max.47.5
INR18650A	Clindrical	max.18.6	max.65.2	2500	3.6	20	47
INR18650-M30A	Clindrical	Max.18.4	Max.65.2	3000	3.6	10	Max.48
INR20700A	Clindrical	max.20.5	max.70	3000	3.6	35	57.8
INR20700-M42A	Clindrical	Max.20.8	Max.70.0	4200	3.6	20	Max.62.0	/
INR21700-P42B	Clindrical	max.21.55	max.70.15	4200	3.6	45	Max.70
ICP103450DA	Clindrical	/	10.83450	2200	3.6	2.5	Max.43.0
ICP103450-M20A	Prismatic	/	10.083550	2000	3.6	4	42
INR20700-M50A	Clindrical	Max.21.7	Max.70.2	5000	3.6	20	Max.68
IHR18650C	Clindrical	18.60	65.20	2000	3.6	20	47
INR18650-P28B	Clindrical	Max.18.6	Max.65.2	2800	3.6	40	Max.48
ICR18650M	Clindrical	18.60	65.20	2800	3.6	5.6	48
ICR18650K	Clindrical	Max.18.6	Max.65.2	2600	3.7	5	50
ICR18650J	Clindrical	18.40	65.20	2370	3.7	5	48
INR18650P30B	Clindrical	18.44±0.15	65.05±0.15	3000	3.6	8	36

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Sony 18650 Battery Cell

Cell Model	Type	Diameter(mm)	Height(mm)	Capacity(mAh)	Nominal Voltage(V)	Max.Discharge Current(A)	Weight（G）
US18650 VTC5A	Clindrical	18.15~18.5	64.8~65.2	2600	3.6	35	45.6~47.1
US18650 VTC4	Clindrical	18.15~18.5	64.8~65.2	2100	3.6	30	45.6~47.1
US18650 VTC6	Clindrical	18.15~18.5	64.8~65.2	3120	3.6	30	45.1~46.6
US18650 VC7	Clindrical	Max.18..5	Max.65.25	3500	3.6	8	47.2

Chinese Cylindrical Battery Cell List

Model	Capacity(mAh)	Voltage(v)	Size (diameter*heightmm)	Weight(g)	Resistance(mΩ)	Energy(Wh)	Self-discharge(%)
14500-600	600	3.2	14.1 x 48.8	≤ 20	≤ 80	1.92	≤ 3% (Monthly)
16340-500	500	3.2	16.3 x 34.0	≤17	≤ 100	1.6	≤ 3% (Monthly)
26650-3500	3500	3.2	26.0 x 65.0	≤ 90	≤ 20	11.2	≤ 3% (Monthly)
10380-400	400	3.6	10.0 x 38.0	≤ 9	≤ 85	1.44	≤ 3% (Monthly)
10430-450	450	3.6	10.0 x 42.2	≤ 10.5	≤ 70	1.62	≤ 3% (Monthly)
10500-500	500	3.6	10.0 x 50.0	≤ 11	≤ 65	1.8	≤ 3% (Monthly)
14250-520	520	3.6	14.1 x 25.0	≤ 11	≤ 100	1.872	≤ 3% (Monthly)
14430-1050	1050	3.6	14.1 x 42.5	≤ 19	≤ 65	3.78	≤ 3% (Monthly)
14430-750	750	3.6	14.1 x 42.5	≤20	≤85	2.7	≤3% (Monthly)
14430-920	920	3.6	14.1 x 42.5	≤ 18.2	≤ 80	3.312	≤ 3% (Monthly)
14450-1050	1050	3.6	14.1 x 44.8	≤ 19.5	≤ 65	3.78	≤ 3% (Monthly)
14500-1050	1050	3.6	14.0 x 49.8	≤ 21	≤ 75	3.78	≤ 3% (Monthly)
14500-800	800	3.6	14.0 x 49.8	≤ 25	≤ 85	2.88	≤ 3% (Monthly)
16300-650	650	3.6	16.3 x 29.9	≤17	≤ 85	2.34	≤ 3% (Monthly)
18350-1400	1400	3.6	18.4 x 35.0	≤ 23.8	≤ 30	5.04	≤ 3% (Monthly)
18350-1100	1100	3.6	18.4 x 35.0	≤ 24	≤ 26	3.96	≤ 3% (Monthly)
18500-1700	1700	3.6	18.4 x 48.6	≤ 39	≤ 60	6.12	≤ 3% (Monthly)
18500-2040	2040	3.6	18.4 x 48.6	≤36	≤60	7.344	≤ 3% (Monthly)
21700-5000	5000	3.6	21.1 x 70.9	≤ 71	≤ 18	18	≤ 3% (Monthly)
26650-5000	5000	3.6	26.0 x 65.0	≤95	≤35	18	≤ 3% (Monthly)
26650-6000	6000	3.6	26.0 x 65.0	≤ 100	≤ 18	21.6	≤ 3% (Monthly)

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Model	Capacity(mAh)	Voltage(V)	Diameter（mm）	Height(mm)	Weight(g)	Energy(Wh)
26650C55	5500	3.7	≤26.2	≤65.2	88.0	20.35
26650C50	5000	3.7	≤26.2	≤65.2	86.0	18.5
26650C40	4000	3.7	≤26.2	≤65.2	86.0	14.8
26650E	3800	3.7	≤26.7	≤65.3	90.0	14
26650E	3400	3.7	≤26.1	≤65.3	87.0	12.6
18650C30	3000	3.7	≤18.4	≤65.0	50.0	11.1
18650C28	2800	3.7	≤18.4	≤65.0	49.0	10.36
18650C26	2600	3.7	≤18.4	≤65.0	46.0	9.6
26650P	2400	3.7	≤26.1	≤65.3	82.0	8.88
18650C22	2200	3.7	≤18.4	≤65.0	46.0	8.14
18650E	1700	3.7	≤18.1	≤65.3	41.2	6.3
18650E	1500	3.7	≤18.1	≤65.1	40.5	5.55