KYS2034DH User-replaceable Battery

The User-replaceable Battery integrates multiple lithium-ion cells within a compact, intelligent module. Engineers design the pack to monitor voltage, current, and temperature in real time. The integrated battery management system (BMS) ensures balanced charging and discharging. In addition, protective circuits guard against overcharge, over-discharge, and short circuits. Fans or passive airflow channels help maintain optimal operating temperatures. Signal and power lines connect the modules efficiently, providing safe energy distribution across the system.

Materials and Internal Structure

Manufacturers assemble cells using high-quality lithium-ion chemistry, with graphite anodes and lithium metal oxide cathodes. Copper foils collect current from the anodes, while aluminum foils support cathodes. A microporous polymer separator allows ion flow but prevents electrical contact between electrodes. The external casing consists of reinforced steel and aluminum alloy panels, with thermal insulation layers to maintain uniform temperature. Protective coatings resist corrosion and mechanical stress, ensuring durability over repeated cycles.

Electrical Assembly and BMS Integration

Technicians connect cells in series and parallel configurations to achieve target voltage and capacity. They weld electrode tabs precisely to reduce internal resistance. The battery management system continuously monitors each cell, adjusting charge and discharge rates. It also balances cells to prevent uneven degradation and extends operational life. Lead wires receive strain relief to avoid loosening under vibration. Engineers calibrate the system periodically to ensure accurate measurements and reliable performance.

Cooling and Safety Measures

The pack features airflow channels and heat sinks for active or passive cooling. Fans operate automatically according to temperature readings. Thermal insulation prevents accidental contact with live parts. Maintenance panels allow inspection or fan replacement without dismantling the pack. Engineers validate airflow and temperature regulation using both simulations and physical testing.

Standards and Quality Assurance

Production complies with UL, IEC, and UN38.3 safety standards. Each unit undergoes electrical, thermal, and cycle testing to confirm performance under repeated charging. Insulation resistance and leakage tests verify safety. Documentation ensures traceability for each battery pack. These processes guarantee consistent quality and compliance with international regulations.

Product Features

• 4S1P Removable Lithium Battery Pack
• Compliant with regulatory requirements across multiple global regions
• Standard SMBus v1.1 Interface
• Integrated LED State-of-Charge (SOC) Indicator
• Utilizes Panasonic cells, offering the highest energy density and stability available on the market
• Compliant with JEITA charging optimization standards
• Comprehensive safety protection features, including protection against overcharge, over-discharge,
• over-current, over-temperature, short circuits, and more
• Features cell balancing functionality to effectively extend battery lifespan
• Precise fuel gauging powered by TI technology

Product Application Areas

• Class III Medical Devices
• Precision Measuring Instruments
• Industrial Computers
• Non-destructive Testing Equipment
• Similar portable industrial and medical equipment.