Product Introduction

  • Brand: USPECIAL
  • Voltage: 21V
  • Capacity: 3.0Ah, 4.0Ah (*optional)
  • Discharge Rate: 5C,10C (*optional)
  • Output Power: 420W/840W (*optional)
  • Battery Type: Lithium-ion
  • Operating Temperature: 0~45°C (charge); 0~55°C (discharge)
  • Material: PC/ABS
  • OEM/ODM/OBM: Available

 

18650 lithium battery pack original model:

Replace Code：WA3525 WA3578 WA3520 WA3575 WA3512 WA3512.1 WA3522 WA3544 WA3671

Compatible models:WA3520、WG545、WG155、WG255、WG251、 WG151.5、WG155、WG155.5、WG3512、WG151、WG151E、WG287、WX163、WG151、WG251、WG54、 W3742、W3875、W3881 W3847、W3868、W3835、W3764、WA3732、WG3838、WG170.1、WG170、WG166.1、WG166、WG165、WG163、WG160.4、WG160.3、WG160.2、WG160.1、WG160、WG157、WG156

The 18650 rechargeable battery pack consists of ten 18650 lithium-ion cells, which provide powerful power support for the tool, ensuring unparalleled performance for your application. Of course, it offers a range of capacity options, including 3.0AH and more, providing flexible performance to meet your needs.

Our Advantages

  • In-House Manufacturing

    We operate our own production lines, giving us full control over every stage — from battery cell production to final pack assembly.

  • Strong R&D Capabilities

    We invest heavily in innovation — particularly in BMS technology — striving for higher precision, smarter algorithms, and enhanced safety features.

  • High Production Efficiency

    We maintain a daily output of over 5,000 battery packs, offering both small-batch flexibility and large-scale efficiency.

  • Tailored Customization

    We provide fully customized solutions — adjusting voltage, capacity, interfaces, and overall design based on your specific application.

  • Rigorous Quality Control

    All products go through multiple inspections and reliability tests, ensuring they meet international standards and perform dependably in the field.

  • Reliable After-Sales Support

    We ensure our battery packs operate safely and reliably, giving you peace of mind well beyond delivery.

FAQS

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