BHL0670142-7Ah Low-Temperature Lithium-Ion Cell | Features & Applications
Ⅰ. Core Product Advantages
1. Stable High-Power Discharge Down to -40℃ Ultra-Wide Temperature Range
Operating temperature: charging 0℃~40℃, discharging -40℃~55℃.
The cell retains ≥95% capacity at 55℃, delivers full rated capacity at room temperature, and maintains 95% capacity at 0℃. It reserves 80% capacity under -40℃ extreme cold conditions with a low-temperature cut-off voltage of 2.75V. No external heating module is required, enabling direct high-power operation of equipment in northern outdoor areas, cold storage and high-latitude frigid environments. It effectively simplifies the overall thermal control structure and reduces equipment thickness and R&D costs.
2. 6mm Ultra-Thin Pouch + 7Ah Large Capacity with 5C/35A High-Power Output
Featuring an ultra-slim 6mm flexible aluminum-plastic pouch structure, the cell fits perfectly into narrow and compact equipment cavities. The 7Ah large capacity effectively extends single-operation endurance. It supports 5C rate and 35A continuous discharge with strong instantaneous load capacity and stable peak current during equipment startup. The cell surface temperature is controlled within 70℃ during high-power discharge. It resists accelerated aging under long-term frequent high-power start-stop cycles, balancing ultra-thin lightweight design and excellent burst power performance.
3. Stable Cycle Performance & Low Self-Discharge for Low-Frequency Maintenance
It maintains over 80% rated capacity after 800 standard charge-discharge cycles and retains sufficient residual capacity after 30-day full-charge static storage at room temperature with ultra-low self-discharge rate. For long-term storage, a 10%~35% state of charge is recommended. Stored in dry environments at -20℃~45℃, it only requires simple annual supplementary charging, making it ideal for long-term shelved and intermittently operated high-power industrial field equipment.
4. Full-Range Strict Safety Verification with Zero Thermal Runaway
The cell has passed comprehensive rigorous 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 composite aluminum-plastic film, matched with professional protective circuits, provides triple protection against overcharge, overdischarge and overcurrent, meeting high safety standards for industrial and outdoor high-power equipment.
5. Custom Ultra-Thin Pouch Design for Flexible PACK Assembly
With a fixed ultra-thin dimension of 142×70×6mm, the shell-free flexible pouch structure adapts directly to slim-profile equipment. Cells from the same batch feature voltage difference ≤20mV, internal resistance difference ≤6mΩ and internal PACK temperature deviation ≤5℃. Only resistance welding and laser welding are permitted (tin welding prohibited). Flexible series-parallel configuration requires no customized metal molds, greatly shortening the mass production cycle for small-batch and ultra-thin devices.
Ⅱ. Industry Application Scenarios
Cold-Region High-Power Individual Equipment
Ideal for ultra-thin cold-resistant power modules, low-temperature high-power rescue lighting and outdoor emergency starting power supplies. The 6mm slim profile fits wearable equipment structures, while 5C high current ensures stable instantaneous high-power output and reliable endurance during -40℃ outdoor operations.
Ultra-Thin Industrial Low-Temperature Monitoring Instruments
Perfect for cold storage thin-type data loggers, ultra-thin pipeline inspection terminals and portable detection devices for northern factories. The slim body adapts to confined installation spaces, and low self-discharge effectively reduces inspection and maintenance frequency.
Vehicle-Mounted Ultra-Thin Low-Temperature Energy Storage Modules
Serves as ultra-thin backup power for engineering vehicles and parking energy storage for RVs. It delivers stable discharge during long-term vehicle static storage in severe winter and supports synchronous operation of various vehicle-mounted high-power devices.
High-Altitude High-Power Field Equipment
Applicable to portable power supplies for plateau surveying and high-power outdoor signal transmission terminals. It features minimal capacity attenuation under drastic day-night temperature differences and ensures stable endurance for long-term field operations.
Ultra-Thin Portable High-Power Low-Temperature Tools
Suitable for winter industrial ultra-thin impact equipment and cold chain supporting handheld high-power tools. Built into slim device bodies, it delivers continuous non-attenuating high-power output under variable high and low temperature working conditions.
Ⅲ. Product Summary
The BHL0670142-7Ah pouch cell features core strengths of 6mm ultra-thin structure, 7Ah large capacity, 5C/35A high-power output and -40℃ ultra-low-temperature discharge. It also integrates four key advantages: 244Wh/kg high energy density, 800 stable cycle life, full-range safety protection and flexible ultra-thin adaptability. Custom-designed for slim-profile high-power special equipment operating in extreme cold environments, it is equipped with complete charge-discharge specifications, professional ultra-thin PACK assembly guidance and one-year process warranty, serving as the optimal pouch lithium cell solution for ultra-thin low-temperature high-power devices.
