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18.5V Lithium-Ion Battery Pack
—for Industrial and High-Power Applications
An 18.5V lithium battery typically adopts a 5S configuration, consisting of five 3.7V lithium-ion cells connected in series. It is suitable for power systems requiring higher voltage output.
LARGE provides reinforced structural battery solutions designed for demanding working conditions. We support vibration-resistant and shockproof structural design, as well as industrial-grade enclosure development, ensuring reliable operation in harsh environments.
Platform Features
- Higher voltage platform
- Supports high-power equipment
- Suitable for industrial-grade environments
High Power 18.5V Lithium Battery Specifications
| Nominal Voltage | 18.5V |
| Capacity Range | 2Ah – 50Ah |
| Charge Voltage | 21.0V |
| Discharge Cut-off | 12.5–14.0V |
Note: Specifications can be customized based on device size and power consumption.
18.5V Lithium ion Battery Pack
Typical customized examples are displayed here; specific solutions shall be subject to project requirements.
Applications of 18.5V Lithium ion Battery
High-Power Tools & Cleaning Equipment
18.5V lithium battery packs are widely used in high-power output applications and power-driven devices.
Outdoor & Garden Equipment
Lawn mowers · Leaf blowers · Electric chainsaws
Wide temperature tolerance and vibration resistance
Cleaning Equipment
Vacuum cleaners · Floor scrubbers · Industrial cleaning machines
Lightweight design with extended runtime
Industrial Tools
Power tools · Portable power equipment
Supports high-rate discharge
Looking for the right battery solution for your device?
your application requirements.
Custom Battery Case
18.5V 8000mAh Battery for Handheld High-Pressure Cleaning Equipment
Customer Background
A cleaning equipment manufacturer required a high-power battery solution to improve operational efficiency and runtime.
Project Challenges
- High discharge capability required
- Extended runtime under continuous use
- Outdoor operating conditions (humidity and vibration)
Customized Battery Solution
- 21700 5S2P high-rate configuration
- High-discharge cells supporting large current output
- Waterproof and shock-resistant structural design
- Integrated BMS with protection and thermal management
Application Results
The battery system significantly improved output power and runtime, meeting the demands of intensive cleaning operations.
Related Lithium Battery Voltages
Frequently Asked Questions (FAQ)
Are you a manufacturer?
Yes, we are a China-based lithium battery manufacturer with high-power battery system development capabilities.
Do you support small-batch customization?
Yes. We support prototyping and mass production for cleaning equipment and high-power applications.
What devices use 18.5V batteries?
Cleaning equipment, power tools, and high-power portable devices.
What are the main design challenges of 18.5V batteries?
Thermal management, cell consistency, and stable high-power output.
Do you support fast charging?
Yes. Fast charging can be achieved through proper BMS design and cell selection.
Is it suitable for harsh environments?
Yes. Waterproofing, vibration resistance, and reinforced structural design can be implemented for demanding conditions.
Get Your Custom 18.5V Lithium Battery Solution
We provide integrated support from engineering design to mass production.






