Optimized Power Solution for Portable Audio Devices
This 11.1V lithium ion battery pack is engineered precisely as a 3S1P 2600mAh configuration to meet the power demands of Bluetooth speakers and similar compact electronics. Designed by a proficient custom battery manufacturer, the pack’s form factor utilizes high-quality 18650 cells to balance capacity and size, facilitating integration into space-constrained housings. The product targets OEMs and device engineers who require dependable, standardized power modules that comply with strict performance and safety protocols, ensuring system compatibility and enhancing overall device reliability.
Advanced Technical Architecture and Safety Compliance
Featuring three lithium ion battery pack cells in series, this module delivers a nominal voltage of 11.1V and a nominal capacity of 2600mAh with a compact dimension of 55 × 70.5 × 19 mm. Charging and discharging parameters are strictly controlled: CC/CV charging with currents from 0.2C to 1C and discharge currents reaching up to 4C peak. Safety is reinforced via programmed voltage cut-offs (12.6V max charge and 8.25V minimum discharge) and operational temperature ranges optimized for stability between -20°C and 60°C. Certified by CE, RoHS, UN38.3, IEC62133, and UL standards, the battery pack supplier guarantees robust quality and adherence to international regulations.
Versatile Applications in Consumer Electronics and Prototyping
This lithium ion battery pack finds extensive use in portable Bluetooth speakers and other compact consumer devices requiring consistent power delivery. Target users include product developers and maintenance engineers who leverage the unit’s stability and lightweight design to enhance product lifespan and user experience. Its configurability supports prototype development for next-generation audio products, while its certifications facilitate integration into global markets, establishing it as an essential component for companies sourcing from a reliable battery pack supplier.
| Item |
Specifications |
Remark |
| Model No. |
LI18650-2600-3S1P |
|
| Nominal Voltage |
11.1V |
|
| Nominal Capacity |
2600mAh |
Standard discharge after standard charge |
| Dimensions |
55*70.5*19mm max |
L*W*H |
| Cycle Life |
≥800 times |
≥ 80% of the initial capacity |
| Charge Method |
CC/CV with professional charger |
|
| Charge Cut-off Voltage |
12.6V |
|
| Discharge Cut-off Voltage |
8.25V |
|
| Standard Charge Current |
0.2C |
|
| Standard Discharge Current |
0.2C |
|
| Max Continuous Charge Current |
1C |
10℃≤Temp＜45℃ |
| Max Continuous Discharge Current |
2C |
|
| Max Peak Discharge Current |
4C |
|
| Recommended Operation Ambient Temperature |
Charge: 0~45℃ Discharge:-20~60℃ |
|
| Storage Temperature |
-20℃~25℃ |
12 months |
| -20℃~45℃ |
3 months |
| -20℃~60 ℃ |
1 month |
| Internal Resistance |
≤200mΩ |
|
| Weight |
Approx. 160g |
|
-High safety -Real capacity -Low internal resistance -Stable discharge voltage -High consistency in capacity&voltage&resistance -No fire, no explosion, no leakage
Structural and Design Benefits of a Modular Power Pack
The battery pack’s architecture employs a 3S1P 18650 cell arrangement, ensuring modular scalability and efficient thermal management within a compact 55 × 70.5 × 19 mm enclosure. This precise engineering, delivered by a reputable custom battery manufacturer, enables straightforward assembly into existing product lines without compromising device form factor. The lightweight design (~160 g) supports portable applications, while integrated protection circuits conform with safety standards, mitigating risks of overcharge, over-discharge, and thermal anomalies inherent in lithium ion battery pack systems.
Performance Reliability and Integration Efficiency
With a cycle life exceeding 800 full charge-discharge cycles at 80% capacity retention, this lithium ion battery pack offers long-term operational reliability critical for continuous-use consumer electronics. The pack’s precise CC/CV charging profile and well-defined discharge thresholds optimize battery longevity and safety. Additionally, its compliance with multiple international certifications enhances user and regulatory confidence while simplifying integration for engineers sourcing through a certified battery pack supplier. This results in reduced downtime and improved ROI through dependable, maintenance-friendly battery solutions.
Bluetooth speaker, flashlight, solar light,intelligent door lock, gps tracker, parking device, medical device, POS machines, power tool, garden tool, sweeper, electric scooter, electric bike, outdoor power supply, etc
Safety certificate: CE,CB, IEC62133, UL, PSE
Environmental certificate: ROHS, REACH
Quality management certificate: ISO9001, ISO14001, BSCI
Shipping certificate: UN38.3, MSDS, Air/Sea Transport Identification&Classification Report
01 Materials Mixing
Fully automatic feeding system,High precision, fully enclosed
02 Coating
High precision constant temperature coating machine
03 Electrode Piece Rolling
Precision automatic roller machine
04 Electrode Piece Slitting
Automatic battery electrode piece continuous slitting machine
08 Injection
Fully automatic bell type liquid injection machine
07 Tab Welding&Beading
Automatic welding machine
05 Winding
Automatic winding machine
09 Automatic Laser Welding
10 Formation&Capacity Sorting
Needle bed type charging cabinet
11 Cycle Test
All cells will be 100% tested for 3 cycles.
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
With 20 years experience in battery field, Topwell can arrange the battery ship by Sea / Air / Express.
We can provide you with all DG certification which allows you to ship these batteries,
such as UN38.3 /MSDS /DG. We can ship from Shenzhen,Shanghai,HK...
Use Scenarios
Battery Replacement in Portable Bluetooth Speaker Maintenance
In the consumer electronics repair environment, especially for Bluetooth audio devices, this 11.1V lithium ion battery pack functions as a direct replacement solution to restore product power capacity. Designed to fit slim speaker enclosures, the battery pack supplier ensures dimensional compatibility and consistent electrical performance, which supports warranty maintenance and aftermarket service workflows. Its adherence to safety certifications such as UL and IEC62133 enables repair operations to meet compliance requirements, allowing seamless reintegration into the supply chain and end-user devices without compromising quality or safety.
Integration in Portable Speaker Prototype Development
In research and development contexts for portable speakers, engineers employ this lithium ion battery pack to prototype energy-efficient power sources. The pack’s standardized 3S1P 2600mAh configuration simplifies power management system design and testing, enabling rapid iteration of device performance under varying load conditions. Its operational temperature and discharge characteristics facilitate realistic simulation of field conditions, ensuring functional validation ahead of mass production. Additionally, the battery pack supplier’s consistent quality controls streamline workflow by reducing variability, enabling developers to focus on innovation while maintaining compliance with industry standards.
FAQ
What customization options do you offer as a custom battery manufacturer?
We provide tailored solutions for battery packs including capacity, voltage, and form factor modifications to meet your specific application needs. Our engineering team works closely with you to design and produce reliable lithium ion battery packs that fit your project’s technical requirements.
How can I ensure the safe use and installation of your lithium ion battery pack?
Our battery packs include built-in safety features such as voltage cutoff, controlled charging/discharging currents, and certified temperature ranges. We advise following the recommended charge/discharge protocols and using professional chargers to maintain safety and battery longevity.
Do you supply lithium ion battery packs for large-scale industrial use?
Yes, as a professional battery pack supplier, we support high-volume production with ISO9001 and BSCI certified facilities. We manage every process stage under rigorous quality control to meet your demands for consistency and compliance across shipments.
What shipping and certification standards do your lithium ion battery packs meet?
Our products comply with international regulations including UN38.3, CE, RoHS, IEC62133, and UL certifications. This ensures safe transport and acceptance in North America, the EU, and other global markets, backed by our tested quality and comprehensive documentation.
