KYS2034DH User-replaceable Battery

The User-replaceable Battery incorporates several lithium-ion cells into a small, smart module. The pack is designed to record real-time voltage, current, and temperature measurements by engineers. The built-in battery management system (BMS) maintains equal charging and discharging. Protective circuits are also used to prevent overcharge, over-discharge, and short circuits. Passive airflow channels or fans are used to ensure optimum operating temperatures. The modules are connected by signal and power lines, which ensure safe energy distribution throughout the system.

Materials and Internal Structure

Manufacturers put cells together with high-quality lithium-ion chemistry, whereby the anode is made of graphite and the cathode of lithium metal oxide. Copper foils are used to collect current on the anodes, and aluminum foils on the cathodes. A microporous polymer separator permits the passage of ions but does not permit electrical contact between electrodes. The outer casing is made of reinforced steel and aluminum alloy panels, and thermal insulation layers to ensure the same temperature. Anticorrosive and anti-mechanical protective coats are used to prevent corrosion and mechanical forces, making them last longer during repeated cycles.

Electrical Assembly and BMS Integration

Technicians link cells in series and parallel configurations to get the desired voltage and capacity. They solder electrode tabs to minimize internal resistance. The battery management system is a continuous monitoring of each cell, where charge and discharge rates are adjusted. It also balances the cells to avoid uneven degradation and prolongs the life of the operation. Strain relief is applied to lead wires to prevent loosening during vibration. To guarantee that the system is accurate and reliable in its operation, engineers periodically calibrate the system.

Cooling and Safety Measures

The pack has airflow channels and heat sinks to cool or be cooled actively. The fans are automatically controlled based on the temperature. Accidental contact with live parts is avoided by thermal insulation. Maintenance panels enable inspection or replacement of fans without breaking down the pack. Airflow and temperature control are tested by engineers through simulations and physical tests.

Standards and Quality Assurance

Manufacturing is in line with UL, IEC, and UN38.3 safety standards. Electrical, thermal, and cycle testing are conducted on each unit to ensure that it performs under repeated charging. Safety is checked by insulation resistance and leakage tests. Each battery pack is traced by documentation. These processes guarantee consistent quality and compliance with international regulations.

Product Features

• 4S1P Removable Lithium Battery Pack
• In compliance with regulatory requirements in various parts of the world.
• Standard SMBus v1.1 Interface.
• Combined LED State-of-Charge (SOC) Indicator.
• Uses Panasonic cells, which have the highest energy density and stability on the market.
• In line with JEITA charging optimization requirements.
• Extensive safety protection measures, such as overcharge and over-discharge protection.
• Over-current, over-temperature, short circuits, and more
• Has a cell-balancing feature to efficiently increase battery life.
• Accurate fuel gauging with TI technology.

Product Application Areas

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