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Li-lon Battery 18650 3.7v 2600mAh Lithium Ion Battery 500 Deep Cycles
3.7V 2600mAh 18650 lithium-ion battery cell/pack delivering reliable energy with 500+ deep cycles. High-performance, cost-effective, and customizable by A&S Power Battery for consumer electronics, portable devices, and IoT applications.
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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
3.7V 2600mAh 18650 Lithium Ion Battery Cell
AS18650 is a rechargeable 18650 lithium-ion battery cell rated at 3.7V and 2600mAh, with approximately 9.62Wh of nominal energy. It is designed for OEM battery applications requiring a compact cylindrical lithium-ion cell with stable electrical performance and options for customized battery terminations, wires, connectors and pack integration.
Need a customized 18650 lithium-ion battery solution?
Send us your required voltage, capacity, dimensions, connector, discharge current or device requirements.
3.7V 2600mAh 18650 Lithium Ion Battery Specifications
The following specifications describe the current AS18650 3.7V 2600mAh lithium-ion battery cell. For OEM projects, electrical performance, mechanical dimensions, terminals, connectors, protection functions and battery pack configuration can be evaluated according to the customer's device and application requirements.
| Parameter | Specification | Test Condition / Note |
|---|---|---|
| Cell Format | 18650 cylindrical cell | Rechargeable lithium-ion cell |
| Capacity | Typical: 2600mAh Minimum: 2500mAh |
25±5℃, charge 0.2C, discharge 0.2C |
| Nominal Voltage | 3.7V | Average nominal voltage |
| Nominal Energy | Approx. 9.62Wh | 3.7V × 2.6Ah |
| AC Impedance | ≤60mΩ / cell ≤180mΩ / battery pack |
Cell and battery pack reference values |
| Discharge End Voltage | 3.0V | Discharge cut-off voltage |
| Charge Voltage | 4.2V | Charge cut-off current ≤26.0mA |
| Standard Charge Current | 520mA / 0.2C | Standard charge condition |
| Charge Time | Approx. 6 h | Standard charge condition |
| Continuous Charge Current | 2500mA max. | Maximum continuous charge current, +10~+45℃ |
| Continuous Discharge Current | 1250mA | Standard continuous discharge current |
| Max. Continuous Discharge Current | 2500mA | Maximum continuous discharge current, +10~+45℃ |
| Weight | Approx. 50g | Individual cell |
| Shipping Voltage | 3.85~3.95V | Shipment state |
| Operating Temperature | Charge: 0~+45℃ Discharge: -20~+60℃ |
Maximum charge current conditions are temperature dependent |
| 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 |
AS18650 3.7V 2600mAh 9.62Wh Lithium-Ion Battery Cell
Compact 18650 Lithium-Ion Cell for OEM Applications
The AS18650 is a rechargeable 18650-format lithium-ion cell with a nominal voltage of 3.7V and a typical capacity of 2600mAh. It provides approximately 9.62Wh of nominal energy in a compact cylindrical form factor.
This cell can be used as a component in custom battery packs and portable electronic products. For OEM projects, A&S Power can evaluate cell selection, pack configuration, terminals, wires, connectors and protection requirements according to the end product.
- 3.7V nominal voltage and 2600mAh typical capacity
- 18650 cylindrical lithium-ion cell format
- Approx. 9.62Wh nominal energy
- Custom battery terminals, wires and connectors available
- Protection circuit / BMS options for applicable battery pack designs
- OEM engineering, prototype and production support
Applications of 3.7V 2600mAh 18650 Lithium-Ion Batteries
This 3.7V 2600mAh 18650 lithium-ion cell provides approximately 9.62Wh of nominal energy and can be evaluated for portable electronics, consumer devices and IoT products that require a rechargeable cylindrical lithium-ion power source. Final battery design should be matched to the electrical load, installation 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 cell can be used as a reference component for OEM battery development. Depending on the application, battery customization may include electrical specifications, cell configuration, 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
A&S Power provides rechargeable lithium battery products with applicable certification options. Certification requirements depend on battery chemistry, design, destination market and final application.
*Available for applicable models and project requirements.
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.
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 Lithium-Ion Battery
Can the 3.7V 2600mAh 18650 battery be customized?
Yes. The AS18650 cell can be evaluated for OEM battery projects. Depending on the project, customization may include cell configuration, dimensions, battery terminals, wires, connectors, protection circuitry and other specifications.
Can you customize the connector or wire for a battery using this cell?
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.
What is the energy of the 3.7V 2600mAh 18650 battery?
The nominal energy is approximately 9.62Wh, calculated from 3.7V × 2.6Ah.
What is the difference between a single 18650 cell and an 18650 battery pack?
A single 18650 cell has a nominal voltage of 3.7V and a typical capacity of 2600mAh in this model. Multiple cells can be connected in series or parallel to create a battery pack with a different voltage and capacity.
Can a battery pack using this cell include a protection board or BMS?
A protection circuit or BMS can be evaluated according to the final battery pack configuration and application requirements. Protection functions may include overcharge, over-discharge, over-current, short-circuit and temperature protection.
Can I request a sample before placing a bulk order?
Sample development or cell samples 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 18650 Lithium-Ion Battery Solution?
Tell us your voltage, capacity, dimensions, current requirements, connector, application and estimated quantity. Our team can evaluate the 18650 cell and 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] |
|---|---|---|---|---|---|---|---|
 |
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.
