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Cordless Power Tool Battery Pack

Consumers and professionals have cut the cord on power tools, and they’re not looking back. Innovation in battery technology ensures they won’t have to, as long as their devices are powered by battery packs that deliver more power and versatility.

/ Revolutionizing Efficiency for Diverse Tasks

Advancements in battery technology are opening up possibilities to tackle a range of tasks with greater ease, flexibility, and effectiveness. And battery packs are the rechargeable DC power sources delivering these added benefits to construction jobsites, yards, workshops, and garages worldwide.

Their effective design ensures cordless power tools are the go-to option for enhanced productivity. Engineers have the task of providing the power, battery life, and torque without the weight to slow down users as they tackle projects of any size. 

/ Application Considerations

In addition to working seamlessly with the battery charger, the following application considerations should be factored into battery pack designs:

  • Capacity - measured in amp-hours (Ah), capacity is how much electrical charge a battery can store, which impacts runtime between charges.
  • Voltage - the power output is determined by the battery voltage and specified based on product design and specific tasks the cordless tool must execute.
  • Thermal management - batteries generate heat during use and charging, so efficient heat dissipation is crucial for performance and safety.
  • Cell configuration - whether the batteries are arranged in series or parallel configuration will impact voltage and capacity.
  • Form factor - the physical size and design of the battery pack should be optimized for ergonomics and minimal interference with tool operation.
  • Battery management system (BMS) - the BMS should be robust and reliable enough to ensure proper cell operation and pack safet
  • Durability battery packs must be able to withstand wear and tear from frequent use, as well as impacts, vibrations, and changes in temperature or humidity.
  • ESD protection - designs should incorporate diodes to safeguard the battery pack from electrostatic discharge or transients.
  • Safety features - overcharge protection, short circuit protection, and temperature monitoring are crucial to preventing accidents. 

As battery technology continues to evolve, cordless power tools will deliver more power and versatility for DIYers and professionals.

/ Block Diagram

Block Diagram

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