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Li-lon Battery 14.4V 3400mAh 18650 Rechargeable Lithium Ion Battery Pack（48.96Wh）
UL2054、UN38.3 Certifications 14.4V 3.4Ah 18650 lithium-ion battery pack (4S1P) delivering 48.96Wh of stable energy. High-capacity, durable, and customizable by A&S Power Battery for medical devices, portable instruments, and electronics.
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Parameters
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Common Applications
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Other Products
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Handling Precautions & Guidelines
Parameters
14.4V 3.4Ah 4S1P 18650 Lithium Ion Battery Pack
AS18650 is a rechargeable 18650 lithium-ion battery pack rated at 14.4V and 3.4Ah, with a total nominal energy of approximately 48.96Wh. This 4S1P configuration is designed for OEM applications that require a compact rechargeable lithium-ion battery pack with customized dimensions, battery terminals, connectors, wires and protection solutions.
Need a customized 14.4V lithium-ion battery pack?
Send us your required voltage, capacity, dimensions, connector, discharge current or device requirements.
14.4V 3.4Ah 4S1P 18650 Battery Pack Specifications
The following specifications describe the current AS18650 battery pack configuration. For OEM projects, voltage, capacity, mechanical dimensions, current requirements, terminals, connectors and protection functions can be evaluated according to the customer's device and application requirements.
| Parameter | Specification | Test Condition / Note |
|---|---|---|
| Battery Configuration | 4S1P | 4 cells in series, 1 cell in parallel |
| Capacity | Typical: 3.4Ah Minimum: 3.3Ah |
25±5℃, charge 0.2C, discharge 0.2C |
| Nominal Voltage | 14.4V | Average nominal voltage |
| Nominal Energy | Approx. 48.96Wh | 14.4V × 3.4Ah |
| AC Impedance | ≤30mΩ / cell; ≤230mΩ / pack | Cell and finished battery pack specifications |
| Discharge End Voltage | 10.0V | Discharge cut-off voltage |
| Standard Charge Current | 680mA / 0.2C | Standard charge condition |
| Charge Voltage | 16.8V | Charge cut-off current ≤34mA |
| Charge Time | Approx. 6 h | Standard charge condition |
| Continuous Charge Current | 3000mA max. | Maximum continuous charge current |
| Continuous Discharge Current | 1700mA | Standard continuous discharge current |
| Max. Continuous Discharge Current | 3000mA | Maximum continuous discharge current |
| Weight | Approx. 220g | Finished battery pack |
| Dimensions | 22 × 38 × 314mm | Finished battery pack dimensions |
| Shipping Voltage | 14.5~15.5V | Shipment state |
| Operating Temperature | Charge: 0~+45℃ Discharge: -20~+60℃ |
Operating temperature range |
| Storage Temperature | <1 month: -10~+45℃ <3 months: -10~+35℃ <6 months: -10~+30℃ |
Recommended storage temperature: 25±2℃ |
| Storage Humidity | <85% RH | Storage condition |
| Cycle Life | ≥500 cycles | Capacity retention ≥80% |
AS18650 14.4V 3.4Ah 48.96Wh Lithium-Ion Battery Pack
4S1P 18650 Battery Pack for OEM Applications
AS18650 is a rechargeable 14.4V 3400mAh lithium-ion battery pack using a 4S1P 18650 cell configuration. The pack provides approximately 48.96Wh of nominal energy and is designed for electronic equipment and OEM applications requiring a compact rechargeable battery solution.
The battery pack can be customized according to the electrical and mechanical requirements of the end device, including capacity, dimensions, battery terminals, wires, connectors and protection circuitry.
- 14.4V nominal voltage and 3400mAh capacity
- 4S1P 18650 cell configuration
- Approx. 48.96Wh nominal energy
- UL 2054 and UN 38.3 Certified
- Custom battery terminals, wires and connectors available
- Protection circuit / BMS options for applicable designs
- OEM engineering, prototype and production support
Applications of 18650 Lithium-Ion Battery Packs
This rechargeable 14.4V lithium-ion battery configuration can be evaluated for portable and industrial electronic equipment where a compact 14.4V battery system and approximately 3.4Ah capacity are required. The final battery design should be matched to the electrical load, enclosure space, operating environment and applicable safety requirements.
Custom Battery Terminations, Pins, Tabs, Wires & Connectors
A battery pack is not limited to the cell configuration itself. For OEM integration, A&S Power can evaluate different termination and connection requirements, including PC pins, tabs, solder tabs, wires, leads, cables and connectors.
If the required termination is not shown below, send us your connector part number, drawing, photo or device interface requirement. Our engineering team can evaluate a suitable battery termination solution.
Any Plug & Mode!
Custom Production
Battery terminals, wires, connectors and interface designs can be evaluated according to your device requirements.
Have a drawing, connector model or sample? Send it to us for an engineering review.
Please Contact Us for Details >>>
Battery Materials & Manufacturing Process
Custom Lithium-Ion Battery Pack Options
The AS18650 4S1P configuration can be used as a reference design for OEM battery development. Depending on the application, battery pack customization may include electrical specifications, mechanical construction, protection circuitry and connection interfaces.
Voltage & Capacity
Battery voltage, capacity and cell configuration can be evaluated according to the device power requirements.
Dimensions & Layout
Battery pack dimensions, cell arrangement, enclosure space and mechanical layout can be designed for OEM integration.
Terminals & Connectors
Wires, cables, tabs, pins and connectors can be evaluated according to the device interface.
Protection Circuit
Protection board or BMS functions can be considered based on voltage, current, temperature and application requirements.
Labels & Housing
Battery labels, protective materials and pack construction can be discussed for OEM production requirements.
Prototype to Production
Engineering evaluation, prototype development, testing and production support are available for qualified projects.
Battery Protection Board & BMS Options
Protection for Customized Battery Pack Applications
Depending on the battery configuration and end-use application, a customized lithium-ion battery pack may require a protection circuit or BMS.
Protection functions can be evaluated according to the required battery voltage, charge and discharge current, temperature range and system interface.
- Overcharge protection
- Over-discharge protection
- Over-current protection
- Short-circuit protection
- Temperature monitoring / NTC options
- Communication functions for applicable BMS designs
Personalized Production for OEM Battery Packs
OEM Lithium Battery Pack Engineering Process
For a custom battery project, providing the main electrical and mechanical requirements at the quotation stage helps the engineering team evaluate the battery configuration and provide a more accurate proposal.
Custom Battery Pack Engineering & OEM Manufacturing
A&S Power provides custom rechargeable battery pack development for electronic, industrial and OEM applications. Depending on project requirements, support can include battery configuration, mechanical design, connector and wire selection, protection circuit design, prototype development, testing, certification support and production.
For an accurate quotation, customers can provide a battery drawing, existing battery sample, product specification, required voltage and capacity, maximum continuous/peak current, dimensions, connector information and expected order quantity.
Battery Quality Control & Compliance
Quality & Testing
Battery packs are evaluated according to the product specification and applicable production requirements. Testing may include electrical performance, voltage, capacity, impedance, safety-related checks and aging or cycle testing where applicable.
Certifications
For this AS18650 14.4V 3400mAh 4S1P lithium-ion battery pack, UL 2054 and UN 38.3 are confirmed according to the product information. Other certification or compliance requirements depend on the final battery design, destination market and application.
Safety Handling and Lithium Battery Design
Lithium-ion battery packs must be selected, designed, charged, transported and used according to the battery specification and applicable safety requirements. Battery protection, operating temperature, charging parameters and system integration should be evaluated before mass production.
UN 38.3 requirements are relevant to lithium battery transportation. For application-specific battery safety or compliance requirements, please contact A&S Power before selecting a final battery design.
Frequently Asked Questions About This 18650 Battery Pack
Can the 14.4V 3400mAh 4S1P battery pack be customized?
Yes. The AS18650 configuration can be evaluated as an OEM reference design. Depending on the project, customization may include capacity, dimensions, battery terminals, wires, connectors, protection circuitry and other specifications.
What does 4S1P mean for this 18650 battery pack?
4S1P means four 18650 cells are connected in series with one cell in each parallel group. This configuration provides a nominal voltage of 14.4V and a typical capacity of 3400mAh.
What is the energy of the 14.4V 3400mAh battery pack?
The nominal energy is approximately 48.96Wh, calculated from 14.4V × 3.4Ah.
Can you customize the connector or wire for this battery pack?
Yes. A&S Power supports different battery termination options, including wires, cables, tabs, pins and connectors. Customers can provide a connector model, drawing, photo or sample for evaluation.
Does this 14.4V 3400mAh battery pack have UL 2054 and UN 38.3?
Yes. UL 2054 and UN 38.3 are confirmed for this AS18650 14.4V 3400mAh 4S1P lithium-ion battery pack according to the product information.
Can the battery pack include a protection board or BMS?
A protection circuit or BMS can be evaluated according to the battery configuration and application requirements. Protection functions may include overcharge, over-discharge, over-current, short-circuit and temperature protection.
What are the standard charge and discharge currents for this battery pack?
The standard charge current is 680mA and the standard continuous discharge current is 1700mA. The maximum continuous charge and discharge current is 3000mA according to the current battery specification.
Can I request a sample before placing a production order?
Sample development can be discussed for custom battery projects. Sample requirements, engineering work, quantity, cost and shipping arrangements depend on the project.
What information should I provide to get a battery quotation?
For a faster quotation, please provide the required voltage, capacity, maximum continuous and peak current, battery dimensions, connector or wire requirements, application, target quantity and any existing battery drawing or sample.
About Shenzhen A&S Power Technology Co., Ltd.
Shenzhen A&S Power Technology Co., Ltd. is an OEM rechargeable battery manufacturer in China specializing in lithium polymer batteries, LiFePO4 batteries and lithium-ion battery packs.
- More than 18 years of rechargeable battery manufacturing experience.
- Battery solutions for OEM and custom applications.
- Product certification options including UL, IEC 62133, CB, CE and RoHS, with KC and BIS available for applicable models.
- A&S Power has supplied battery products to international markets including North America, Europe and other regions.
- The company has supplied battery products for customers associated with brands including Philips, JVC, Skullcandy, Flex and Mitel.
Our OEM Battery Pack Service
Looking for a Custom 14.4V 18650 Lithium-Ion Battery Pack?
Tell us your voltage, capacity, dimensions, current requirements, connector, application and estimated quantity. Our team can evaluate the battery configuration and provide a quotation for your OEM project.
Request a Custom Battery QuoteContact A&S Power for a Battery Quote
Shenzhen A&S Power Technology Co., Ltd.
Tel: +86-0755-28169348
Email: info@szaspower.com
Sales: sales@szaspower.com
What to Send for RFQ
Voltage / Capacity / Dimensions / Current / Connector / Application / Quantity
If available, please also send a battery drawing, existing battery sample, connector model or product specification.
Product specifications may vary according to the final battery configuration and application requirements. Please contact A&S Power to confirm the latest technical specification before placing an order.
Other Li-lon Battery
| Model No. | images | Voltage [V] | Capacity [mAh] | Thickness [mm] | Width [mm] | Length [mm] | Weight [g] |
|---|---|---|---|---|---|---|---|
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3.7v
|
2600
|
19
|
//
|
69
|
50
|
|
 |
7.2v
|
7000
|
39
|
39
|
72
|
210
|
|
 |
14.8v
|
2600
|
20
|
75
|
72
|
190
|
|
 |
7.4v
|
2000
|
20
|
38
|
68
|
90
|
|
 |
11.1v
|
4400
|
67
|
95.5
|
153
|
330
|
|
 |
11.1v
|
4000
|
38
|
57
|
71
|
300
|
|
 |
10.8v
|
3500
|
20
|
58
|
73
|
170
|
|
 |
10.8v
|
9600
|
40
|
117
|
70
|
480
|
|
 |
10.8v
|
10500
|
40
|
117
|
70
|
480
|
|
 |
10.8v
|
6700
|
20
|
115
|
72
|
330
|
|
 |
11.1v
|
15000
|
58
|
69
|
110
|
750
|
|
 |
7.4v
|
2600
|
20
|
40
|
72
|
90
|
|
 |
7.4v
|
10000
|
39.5
|
42.5
|
74
|
230
|
|
 |
14.4v
|
3400
|
22
|
38
|
134
|
220
|
|
 |
14.8v
|
5000
|
38
|
88
|
69
|
430
|
|
 |
18.5v
|
5000
|
49
|
70
|
100
|
480
|
|
 |
3.7v
|
5000
|
21
|
//
|
70
|
70
|
|
 |
3.7v
|
2200
|
18
|
//
|
65
|
50
|
|
 |
18v
|
15000
|
85
|
120
|
78
|
1200
|
|
 |
18v
|
10000
|
61
|
120
|
78
|
850
|
|
 |
7.2v
|
9800
|
40
|
80
|
100
|
400
|
|
 |
3.6v
|
50000
|
45
|
120
|
75
|
780
|
|
 |
3.7v
|
9600
|
24
|
44
|
73
|
165
|
|
 |
11.1v
|
7500
|
63
|
68
|
68
|
410
|
|
 |
22.2v
|
2500
|
31.0
|
72
|
112
|
500
|
|
 |
22.2v
|
4000
|
67
|
95.5
|
153
|
500
|
|
 |
25.2v
|
10500
|
58
|
135
|
78
|
1.1kg
|
|
 |
3.6v
|
24500
|
19.5
|
134
|
69
|
380
|
|
 |
25.2v
|
25000
|
126
|
163
|
77
|
2.7kg
|
|
 |
3.7v
|
2600
|
19
|
//
|
69
|
50
|
|
 |
3.7v
|
2600
|
19
|
//
|
69
|
70
|
|
 |
3.7v
|
2300
|
19
|
//
|
55
|
44
|
|
 |
25.9v
|
15000
|
77
|
167
|
181
|
1.7kg
|
|
 |
25.9v
|
15600
|
125
|
155
|
75
|
2.5kg
|
|
 |
7.2v
|
3000
|
20
|
39
|
72
|
98
|
|
 |
3.7v
|
5200
|
20
|
38
|
71
|
110
|
|
 |
3.7v
|
4000
|
22
|
38
|
53
|
76.0
|
|
 |
3.7v
|
10400
|
19
|
23
|
267
|
210
|
|
 |
18.5v
|
5000
|
42
|
70
|
93
|
480
|
|
 |
11.1v
|
2500
|
40
|
38
|
69
|
180
|
Handling Precautions & Guidelines
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How should I pay?
You can pay via T/TL/C at sightWestern Union Cash etc. 100% T/T in advance for samples. For large quantities 30% T/T in advance as soon as order confirmed and the balance before shipping via T/T or L/C etc. If you prefer other payment terms please contac
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Can lithium batteries be customized for specific applications?
Yes we provide tailored lithium batteries solutions to meet our customers' precise needs. Our customization options include size capacity voltage maximum discharge rate and other parameters. Contact us to explore how we can create a battery solution that fits your requirements perfectly.
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What is delivery time if we place an order?
It depends order quantities. Usually we can deliver goods within 3 -5 working days for small orders for more QTY. order let's confirm when you place official order.
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Are you factory?
We have factories both in Dongguan China. The factory covers an area of 8000㎡ Has 500 employees And 25 R&D engineers.We can produce 100000 lithium batteries every dayThe factory has passed SGS & TUV QMS certification.
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What is the minimum order quantity (MOQ) for lithium batteries?
The minimum order quantity of customized batteries is 3000 pcs. MOQ varies by battery type There is no minimum order quantity for conventional batteries.Contact us for details.
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Can I get samples of lithium batteries before placing a bulk order?
Yes many suppliers offer samples of lithium batteries for testing and evaluation purposes. However there are costs associated with obtaining samples including sample fees and freight charges.
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How safe are A&S Power Lithium Batteries?
Our batteries have special mechanisms to prevent overcharging discharging or short-circuiting.Each battery is tested for cycles safety aging and voltage before delivery.
