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KYSB1S38 Standard Smart Lithium Battery Pack

This KYSB1S38 standard lithium battery pack uses removable 18650 cells and features a gold finger connector and NTC temperature monitoring. It has passed multiple international certifications, with a compact and robust design, making it suitable for portable applications such as medical and industrial equipment.

  • Nominal Voltage: 3.6V
  • Nominal Capacity: 3.3Ah
  • Internal Resistance: <100mΩ @ 1kHz at 25°C
  • Max. Charge Current: 1.65A
  • Max. Charge Voltage: 4.2V
  • Max. Discharge Current: 3.5A
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Standard Smart Lithium Battery Pack
Standard Smart Lithium Battery Pack

Overview

Product Details

Technical Parameters

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Overview

Engineers design the standard smart lithium battery pack using a compact 1S modular architecture. First, they align cylindrical lithium-ion cells into a precision housing with controlled spacing. Then, a smart interface connector is integrated to support fast plug-in installation and stable electrical transfer. Meanwhile, a reinforced polymer shell is formed to maintain mechanical strength and insulation reliability. After structural assembly, technicians proceed with electronic calibration and system validation to ensure consistent output behavior.

Material Composition and Internal Configuration

Manufacturers apply high-energy lithium-ion cells with stable electrochemical performance. In addition, Panasonic-grade or equivalent cells are often selected to maintain cycle stability and energy density consistency. Furthermore, a microporous separator is inserted between electrodes to manage ion flow and reduce internal short risks. Meanwhile, lithium salt electrolyte is injected under controlled humidity conditions to ensure chemical stability. Copper alloy terminals are installed to improve conductivity, while insulating layers maintain electrical isolation across the pack.

Smart Control System and Electrical Logic

Engineers integrate a smart Battery Management System (BMS) to actively monitor voltage, current, and temperature in real time. Then, the system executes overcharge, over-discharge, and short-circuit protection automatically. Moreover, communication interfaces allow host devices to read battery status and operating conditions. Meanwhile, CC/CV charging logic ensures stable charging curves across repeated cycles. As a result, electrical performance remains consistent even under variable load conditions.

Manufacturing Process and Quality Control

Production begins with cell grading and capacity matching to ensure uniform performance. Subsequently, automated welding connects cell terminals into a stable structure. After that, technicians perform insulation resistance testing and continuity verification. Meanwhile, firmware calibration ensures accurate smart data reporting. In addition, vibration and thermal tests validate structural endurance under operational stress.

Product Details

Product Features

  • 18650 Removable Lithium-ion Battery Pack
  • Meets IEC62133/UN38.3 certification
  • Gold finger interface
  • Battery NTC temperature interface lead-out
  • Uses Panasonic cells, boasting the highest energy density and stability on the market
  • Compact and robust construction
  • Comprehensive safety protection functions, such as overcharge, over-discharge, overcurrent, over-temperature, and short circuit protection
  • Supports quick-swap operation
  • Uses with KYSCH1S04 charging dock

Product Application Areas

  • Class III Medical Devices
  • Precision Measuring Instruments
  • Industrial Computers
  • Non-destructive Testing Equipment
  • Portable industrial and medical devices, etc.

Technical Parameters

Overview
Initial Shipment Capacity 20%~30%
Certifications CE/FCC/IEC62133/UN38.3/REACH/RoHS/ (EU) 2023/1542
Operating Temperature 0°C ~ 50°C (Charge)
-20°C ~ 60°C (Discharge)
Storage Temperature -20°C ~ 50°C (Max)
-20°C ~ 25°C (Recommended)
Electrical Performance
Nominal Voltage 3.6V
Rated Capacity 3.3Ah
Internal Resistance <100mΩ @ 1kHz at 25°C
Max. Charge Current 1.65A
Max. Charge Voltage 4.2V
Max. Discharge Current 3.5A
Cycle Life 500 cycles ≥ 80% of rated capacity
(Test standard: CC/CV charge 1.65A/4.2V; CC discharge 0.66A to 2.5V @ 25°C)
Size Specifications
Length 75.0mm ± 0.2mm
Width 20.5mm ± 0.2mm
Thickness 20.5mm ± 0.2mm
Weight 57g±5g

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