11.1V Lithium Battery Solutions
-Smart BMS and High-Performance Design
An 11.1V lithium-ion battery typically adopts a 3S configuration, consisting of three 3.7V lithium-ion cells connected in series. It is a common power platform for high-performance electronic devices.
LARGE offers advanced multi-series cell consistency control and BMS development capabilities, including precise cell matching, balancing management, real-time monitoring, and communication customization — ensuring stable and long-life system operation.
Platform Features
- Higher output voltage for lithium battery packs
- Suitable for medium- to high-power devices
- Balanced energy density and power performance
11.1V Lithium ion Battery Specifications
| Nominal Voltage | 11.1V |
| Capacity Range | 2Ah – 30Ah (customizable) |
| Cell Types | Cylindrical, Pouch |
| Charge Voltage | 12.6V |
| Discharge Cut-off | 7.5–8.0V |
| Discharge Rate | 1C – 20C+ |
| Protection | Overcharge / Over-discharge / Overcurrent / Short circuit |
| Communication | RS485 / SMBus / CAN (optional) |
Note: Battery specifications can be customized according to application requirements.
11.1V Lithium ion Battery Pack
The above are some customized cases; more specifications can be developed according to project requirements.
Applications of 11.1V Lithium ion Battery
Power Equipment & Intelligent Systems
11.1V lithium batteries are widely used in medium-power systems, including drive applications and intelligent equipment.
Robotics & Automation
Mobile robots · AGV · Small unmanned systems
High-rate discharge for continuous operation
Industrial Equipment
Portable industrial tools · Inspection devices
Stable power across varying operating conditions
Security Equipment
Outdoor cameras · Gas detectors · Construction warning lights
Wide temperature range and extended runtime
Looking for the right battery solution for your device?
We provide professional customization based on
your application requirements.
your application requirements.
11.1V Battery Structure & Configuration
An 11.1V lithium-ion battery typically uses a 3S series configuration, providing stable operating voltage for industrial equipment, medical devices, and professional electronics.
Capacity can be expanded through parallel configurations such as 3S1P, 3S2P, or 3S4P, depending on runtime requirements.
Key Technology: Cell Consistency
As the number of series-connected cells increases, cell consistency becomes critical to overall performance and lifespan. Cells must be carefully matched for voltage, internal resistance, and capacity. The BMS must include balancing functions to prevent performance degradation caused by cell variation.
In lithium battery system design, battery voltage must match the equipment’s electrical architecture. The BMS continuously monitors battery status to ensure safe operation under different working conditions.
With proper structural and capacity configuration, an 11.1V lithium battery pack provides stable and reliable power for industrial and professional systems.
Related Lithium Battery Voltages
Frequently Asked Questions (FAQ)
Are you a manufacturer?
Yes, we are a China-based lithium battery manufacturer with integrated R&D and production capabilities.
Do you support small-batch customization?
Yes. We support prototype development and scalable production for 3S battery systems.
What devices commonly use 11.1V batteries?
UAVs, robots, portable devices, and industrial equipment.
What configuration does an 11.1V battery use?
Typically a 3S configuration (three 3.7V cells in series).
Can 11.1V batteries be customized?
Yes. Capacity, structure, BMS functions, and communication interfaces can be customized.
What is the difference between 11.1V and 7.4V batteries?
11.1V uses a 3S structure and provides higher voltage, suitable for higher-power systems.
Does 11.1V support high-rate discharge?
Yes. With high-rate cells and proper design, it can support motor-driven applications.
What are the transportation requirements?
The battery must comply with UN38.3 testing and applicable transportation regulations.
Get Your Custom 11.1V lithium-ion battery Solution
Looking for a stable and reliable battery solution?
We provide integrated support from engineering design to mass production.
We provide integrated support from engineering design to mass production.