21V Rechargeable Lithium Battery and Adapter Set Brushless Chainsaw Electric Drill Electric Wrench Power Tool Model

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Brushless Chainsaw power tool solutions demand efficiency, durability, and flexibility in real-world job sites, and this 21V Rechargeable Lithium Battery and Adapter Set is designed to deliver exactly that. Built for professionals and serious DIY users, the system integrates a high-performance brushless motor platform with a reliable 21V lithium battery, ensuring stable power output, reduced heat generation, and extended tool lifespan across multiple applications.

Description

No. Product Description Parameter 1 Parameter 2 Parameter 3 Parameter 4
1 Electrochemical System NCA NCA LFP LFP
2 Cell Model 18650 21700 26700 32700
3 Cell Capacity 2.6Ah 5Ah 5Ah 6Ah
4 Configuration 4S4P 4S2P 5S2P 5S2P
5 Nominal Capacity 10.4Ah 10Ah 10Ah 12Ah
6 Rated Power ≈153Wh ≈148Wh ≈160Wh ≈192Wh
7 Dimensions L85×W80×H70 mm L90×W72×H45 mm L135×W72×H55 mm L165×W71×H65 mm
8 Nominal Voltage 14.8V 14.8V 16V 16V
9 Standard Charge Current 5A 5A 5A 5A
10 Standard Discharge Current 5A 5A 5A 5A
11 Battery Cell Charging Cut-off Voltage 16.8V 16.8V 18.25V 18.2V

 

This professional-grade power tool system is engineered for high-performance industrial and DIY applications. By combining brushless motor technology with a high-capacity 21V Lithium-Ion battery ecosystem, this model delivers the torque and endurance required for demanding tasks such as forestry, construction, and automotive repair.

Core Performance Features

  • Advanced Brushless Motor Technology: Unlike traditional motors, our brushless system eliminates friction and sparking, resulting in 50% longer motor life and significantly higher energy efficiency.
  • High-Drain 21V Lithium Power: Equipped with premium rechargeable cells, providing steady voltage and high discharge rates to ensure no power drop-off during heavy-duty cutting or drilling.
  • Universal Compatibility: The included adapter set allows the battery pack to interface seamlessly with various tools, including the brushless chainsaw, high-torque electric wrench, and precision electric drill.
  • Ergonomic & Durable Design: Built with high-impact weather-resistant housing to withstand the rigors of outdoor environments and professional jobsites.

Technical Specifications

Feature Specification
Voltage (Max)
Motor Type High-Torque Brushless
Battery Chemistry High-Density Rechargeable Lithium
Application Chainsaw, Drill, Wrench, Power Tools
Charging Time Fast-Charge Compatible

Why Choose Long Sing Power Solutions?

In the world of power tools, the Battery Long Term Cost is defined by cycle life and reliability. Our 21V battery sets are designed to minimize downtime and replacement frequency. Whether you are operating a Brushless Chainsaw for heavy timber work or using an Electric Wrench for assembly lines, our power systems provide the consistent energy density needed to get the job done without interruption.

Professional Note: Utilizing a brushless system reduces thermal buildup, which protects the internal lithium cells from heat-related degradation, ensuring your investment lasts through years of rigorous use.

What’s inside the battery pack



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