KYS4040IL Low-Temperature Lithium Battery Pack

The Low-Temperature Lithium Battery Pack is a combination of several lithium-ion cells that are designed to work in cold conditions. The pack is designed by engineers to ensure that the voltage and current remain constant even when it is in subzero conditions. Each cell is continuously monitored by integrated sensors. Protective circuits guard against overcharge, over-discharge, and short circuits. Cooling and heating systems work in collaboration to stabilize the internal temperatures. Wiring harnesses are used to efficiently connect modules to facilitate the safe flow of energy.

Materials and Cell Construction

Lithium-ion chemistry with graphite anodes and lithium metal oxide cathodes is used by manufacturers. The anodes are connected to copper foil that collects the current, and the cathodes are supported by aluminum foil. A microporous polymer separator permits the passage of ions but does not allow electrical contact between electrodes. The outer casing is made of reinforced aluminum alloy and steel panels. Low-temperature resistance and thermal insulation ensure stability in extreme conditions. To prevent corrosion by humidity and ice, engineers use corrosion-resistant finishes.

Electrical Configuration and BMS Integration

Technicians combine cells in series and parallel to achieve certain voltage and capacity specifications. Internal resistance is minimized by welding electrode tabs. Each cell is monitored by the battery management system (BMS) in terms of voltage, current, and temperature. It automatically balances the cells and makes it long-term stable. Cables are strained to ensure that they do not loosen when vibrating. The system is calibrated by engineers periodically to ensure readings are accurate and the system is safe to operate.

Thermal Management and Safety

The pack has airflow channels, heat sinks, and optional heating pads to control thermal conditions. Fans are automatically turned on depending on the temperature sensors. Insulation helps to avoid unintentional contact with live parts. Maintenance panels enable modules to be easily inspected or replaced without disassembling. Simulations and physical testing are used by engineers to verify the efficiency of airflow and temperature control.

Standards and Quality Assurance

Production is in compliance with UL, IEC, and UN38.3. Electrical, thermal, and cycling tests are performed on each unit. Checks of insulation resistance and leakage are safe and reliable. All battery packs are tracked by documentation. The processes ensure that there is adherence and uniform quality in all units.

Product Features

• Shelf item, minimum order: 1 piece.
•    Standard SMBus v1.1 interface.
• Combined LED State of Charge (SOC) indicator.
• Meets JEITA charging optimization rules
• Complete safety protection, including overcharge, over-discharge, overcurrent, over-temperature, and short-circuit protection.
• Features a balancing function to effectively improve battery life
• Accurate power calculation

Product Application

• Low-temperature applications at -40℃