This 21V 4.0Ah lithium battery pack is built with premium 18650 cells to deliver consistent and long-lasting power for your cordless impact wrenches and other compatible power tools. Its compact size (67×73×116 mm) makes it portable without sacrificing performance. With a 4.0Ah capacity, it provides extended runtime, reducing downtime during intensive work.
The rugged housing ensures durability under tough working conditions, while its smart design supports OEM customization. Fully compatible with standard 21V chargers, this battery is an excellent choice for professionals and DIY users looking for reliability, safety, and efficiency.
Specifications:
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Voltage: 21V
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Capacity: 4.0Ah
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Battery Type: Lithium-ion (18650 cells)
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Size: 67 × 73 × 116 mm
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High-Quality construction
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OEM support available
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