ホーム / KYS4040IL Low-Temperature Lithium Battery Pack
The KYS4040IL is a rugged lithium battery engineered for extreme cold. It features intelligent SMBus communication, an integrated LED state-of-charge indicator, and comprehensive protection against overcurrent, over-temperature, and short circuits. This reliable power solution is ideal for demanding low-temperature applications requiring consistent performance.
- 公称電圧:10.8 V
- Rated Capacity: 8100 mAh
- Typical Capacity: 8400 mAh
- 内部抵抗:<200 mΩ @ 1kHz(25°C)
- Max. Charge Current: 8.0 A
- 最大充電電圧:12.6 V
- 最大放電電流:8.0 A
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概要
The Low-Temperature Lithium Battery Pack integrates multiple lithium-ion cells optimized for cold environments. Engineers design the pack to maintain consistent voltage and current even in subzero conditions. Integrated sensors monitor each cell continuously. Protective circuits prevent overcharge, over-discharge, and short circuits. Cooling and heating elements work together to stabilize internal temperatures. Wiring harnesses efficiently connect modules to ensure safe energy flow.
Materials and Cell Construction
Manufacturers use lithium-ion chemistry with graphite anodes and lithium metal oxide cathodes. Copper foil collects current from the anodes, while aluminum foil supports the cathodes. A microporous polymer separator allows ions to flow while preventing electrical contact between electrodes. The external casing consists of reinforced aluminum alloy and steel panels. Thermal insulation and low-temperature resistant coatings maintain stability under extreme conditions. Engineers apply corrosion-resistant finishes to protect against humidity and ice formation.
Electrical Configuration and BMS Integration
Technicians arrange cells in series and parallel configurations to meet specific voltage and capacity requirements. Electrode tabs are welded precisely to reduce internal resistance. The battery management system (BMS) monitors voltage, current, and temperature for each cell. It balances cells automatically, ensuring long-term stability. Strain relief is applied to cables to prevent loosening during vibration. Engineers periodically calibrate the system for accurate readings and safe operation.
Thermal Management and Safety
The pack features airflow channels, heat sinks, and optional heating pads for thermal control. Fans activate automatically based on temperature sensors. Insulation prevents accidental contact with live components. Maintenance panels allow easy inspection or replacement of modules without disassembly. Engineers verify airflow efficiency and temperature regulation using simulations and physical testing.
基準と品質保証
Production meets UL, IEC, and UN38.3 international standards. Each unit undergoes electrical, thermal, and cycling tests. Insulation resistance and leakage checks ensure safety and reliability. Documentation tracks every battery pack for traceability. These processes guarantee compliance and consistent quality across all units.
製品詳細
製品の特徴
- Shelf item, minimum order 1 piece
- 標準SMBus v1.1インターフェース
- 統合LED充電状態(SOC)インジケーター
- JEITA課金最適化ルールに合致します
- Comprehensive safety protection functions, such as overcharge, over-discharge, overcurrent, over-temperature, and short circuit protection
- Features balancing function to effectively improve battery life
- Accurate power calculation
Product Application
- Low-temperature applications at -40℃
技術的パラメータ
| 概要 | |
| 初期出荷能力 | 20%~30% |
| 認定 | - |
| 動作温度 | 0°C ~ 50°C(電荷) -40°C ~ 60°C (Discharge) |
| 保管温度 | -40°C ~ 50°C (Max) -20°C ~ 35°C (Recommended) |
| 電気的性能 | |
| 公称電圧 | 10.8V |
| 定格容量 | 8100mAh |
| 典型的な容量 | 8400mAh |
| 内部抵抗 | <200mΩ @ 1kHz、25°C |
| 最大充電電流 | 8.0A |
| 最大充電電圧 | 12.6V |
| 最大放電電流 | 8.0A |
| サイクルライフ | 500 cycles ≥ 80% of rated capacity (Test standard: CC/CV charge 4.2A/12.6V; CC discharge 1.68A to 7.5V @ 25°C) |
| サイズ仕様 | |
| 長さ | 214.0mm ± 0.3mm |
| 幅 | 58.5mm ± 0.3mm |
| 厚さ | 22.0mm ± 0.3mm |
| 重量 | 486g±10g |
| インターフェース |  |
