BHL12118365-119Ah Low-Temperature Lithium-Ion Cell | Features & Applications
Ⅰ. Core Product Advantages
1. Stable Full-Range Discharge at -40℃ with Balanced Temperature Adaptability
Operating temperature: charging 0℃~40℃, discharging -40℃~55℃.
The cell retains ≥95% capacity at 55℃ and delivers full rated capacity at 25℃ room temperature, while maintaining 95% capacity at 0℃. It reserves over 80% capacity under -40℃ extreme cold conditions with a low-temperature cut-off voltage of 2.75V. No external heating device is required, enabling stable operation of heavy-duty equipment in northern winter workshops, cold storage and high-altitude field environments. It eliminates the need for integral temperature control structures and reduces equipment design and manufacturing costs.
2. 119Ah Ultra-Large Capacity with Stable 1C Continuous Output
Equipped with 119Ah ultra-large single-cell capacity, it effectively extends the continuous working duration of heavy-duty equipment. The standard 1C continuous discharge delivers stable load output with well-controlled temperature rise during charge and discharge cycles. The maximum surface temperature is limited within 70℃ during short-term operation, preventing accelerated cell aging during long-term continuous operation. Adopting a slim aluminum-plastic pouch structure, it fits flexible internal layout of various large-capacity energy storage cabinets.
3. Stable Cycle Performance & Low Self-Discharge for Low-Maintenance Long-Term Storage
It maintains over 80% rated capacity after 800 standard charge-discharge cycles and retains ≥85% residual capacity after 30-day full-charge static storage at room temperature with ultra-low self-discharge rate. For long-term storage, a state of charge of 10%~35% is recommended. Stored in dry environments at -20℃~45℃, it only requires simple supplementary charging annually, making it ideal for unattended large-scale field energy storage and long-term standby power for engineering equipment.
4. Full-Range Strict Safety Tests to Prevent Thermal Runaway Under Heavy Loads
The cell has passed comprehensive safety tests including overcharge, deep overdischarge, external short circuit, 135℃ thermal shock, high-low temperature alternating cycle, three-axis swept vibration and six-direction drop, with zero fire, liquid leakage or explosion throughout all tests. The tough and flexible aluminum-plastic composite film features excellent extrusion and deformation resistance. Matched with a dedicated protection board, it provides triple protection against overcharge, overdischarge and overcurrent, meeting the high safety standards of construction machinery and heavy-duty field energy storage equipment.
5. Standardized Pouch Cell for Efficient Large-Scale PACK Assembly
With standardized forming dimensions, cells from the same batch feature voltage difference ≤20mV and internal resistance difference ≤6mΩ, with the overall internal PACK temperature deviation controlled within 5℃. Only resistance welding and laser welding are permitted, while tin welding is prohibited. There is no quantity limit for series-parallel configuration, and series circuits only require fuse installation without customized metal shell molds, greatly improving mass production efficiency of large-capacity energy storage modules.
Ⅱ. Industry Application Scenarios
Energy Storage Power for Cold-Region Construction Machinery
Serving as low-temperature backup energy storage for mining machinery and heavy engineering vehicles. The 119Ah large capacity supports long-duration continuous operation, while stable startup output at -40℃ enables all-weather operation in open-air construction sites in winter.
Large-Scale Field Energy Storage Base Stations for Plateaus & Polar Regions
Applicable to high-power monitoring stations for long-distance oil and gas pipelines and meteorological energy storage systems in alpine regions. It sustains continuous power supply under extreme day-night temperature differences, and low self-discharge reduces frequent manual remote inspection.
Parking Power for Heavy-Duty RVs & Engineering Vehicles
Acting as a long-term energy storage module for large caravans and engineering operation vehicles. It maintains stable voltage after static storage in extreme cold and supports simultaneous operation of multiple vehicle-mounted high-power devices.
Heavy-Duty Polar Scientific Research & Detection Equipment
Ideal for large-scale polar detection instruments and heavy-duty field emergency power stations. It features minimal capacity attenuation in extreme cold and provides sufficient endurance for long-term scientific research operations.
Large-Scale Automatic Energy Storage Units for Cold Storage
Supporting power supply for large cold chain AGVs and heavy-duty cold storage detection equipment, it operates stably in perennial low-temperature workshops and adapts to high-frequency start-stop working conditions.
Ⅲ. Product Summary
The BHL12118365-119Ah pouch cell features core competitive advantages of 119Ah ultra-large capacity, -40℃ ultra-wide temperature discharge and 800 stable cycle life. It also integrates four key strengths including stable 1C discharge, ultra-low self-discharge, full-range safety protection and easy integration for large-scale energy storage. Custom-developed for cold-region construction machinery, polar base stations and heavy-duty vehicle-mounted large-capacity energy storage equipment, it is equipped with complete charge-discharge specifications, professional large-capacity PACK assembly guidance and one-year process warranty, serving as the optimal lithium cell solution for heavy-duty low-temperature energy storage systems.
