BHL105051-5Ah Low-Temperature Lithium-Ion Cell | Features & Applications
Ⅰ. Core Product Advantages
1. Stable Full-Range Discharge with Balanced High and Low Temperature Performance
Operating temperature: charging 0℃~45℃, discharging -40℃~55℃.
The cell retains ≥95% capacity at 55℃, delivers full rated capacity at room temperature, and maintains 95% capacity at 0℃, while keeping no less than 80% capacity under -40℃ extreme cold conditions. No external heating module is required, enabling direct operation of ultra-thin equipment in polar regions, northern winter environments and cold storage scenarios. It effectively simplifies the overall thermal control structure, reducing equipment weight and R&D costs.
2. Ultra-High Energy Density & 5Ah Large-Capacity Lightweight Pouch Design
Featuring an ultra-high energy density of 342Wh/kg, the cell delivers far superior endurance compared with conventional lithium batteries under the same volume. Adopting aluminum-plastic film pouch packaging with customizable dimensions, the lightweight structure breaks the size limitations of rigid shells. It perfectly adapts to miniature, ultra-thin and wearable special equipment, maximizing electric energy storage within limited internal space.
3. Long Cycle Life & Low Self-Discharge for Maintenance-Free Long-Term Storage
Boasting excellent standard charge-discharge cycle performance, the cell maintains over 80% rated capacity after repeated cycling 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 field equipment and long-term sealed emergency devices.
4. Complete Safety Verification for Stable Operation Without Hidden Risks Under Extreme Conditions
The cell has passed full safety tests including overcharge, deep overdischarge, external short circuit, 135℃ thermal shock, high-low temperature alternation, three-axis swept vibration and six-direction drop, with zero fire, liquid leakage or explosion throughout all tests. The multi-layer composite pouch structure delivers high toughness. Matched with dedicated protection circuits, it provides triple protection against overcharge, overdischarge and overcurrent, complying with strict safety standards for military and field special equipment.
5. Customizable Lightweight Pouch for Flexible PACK Assembly
The aluminum-plastic pouch supports flexible customization of length, width and thickness without the restrictions of standard cylindrical cell sizes. Cells from the same batch feature voltage difference ≤20mV, internal resistance difference ≤6mΩ and internal PACK temperature deviation ≤5℃. Compatible with spot welding and laser welding without soldering damage risks, it supports flexible series-parallel configuration. No customized metal shell molds are required, shortening the mass production cycle and lowering manufacturing costs for miniature equipment.
Ⅱ. Industry Application Scenarios
Ultra-Thin Individual Equipment for Extreme Cold Regions
Suitable for cold-resistant wearable power supply modules, miniature low-temperature individual recorders and ultra-thin emergency lighting devices. The lightweight pouch structure saves equipment installation space, delivers stable power output in -40℃ outdoor environments, and extends operational endurance with large-capacity performance.
Ultra-Thin Monitoring Instruments for Polar Regions & Cold Storage
Ideal for low-temperature sensing data loggers, miniature pipeline inspection terminals and portable cold storage detection equipment. The slim and lightweight structure matches miniature instrument structures perfectly, and low self-discharge effectively reduces manual inspection and maintenance frequency.
Wearable Low-Temperature Special Equipment
Applicable to wearable low-temperature temperature measuring terminals, outdoor portable positioning devices and thin-profile field signal transmitters. The flexible pouch structure fits irregular internal spaces of special equipment accurately.
Miniature Vehicle-Mounted Low-Temperature Portable Energy Storage
Used as ultra-thin backup power for RVs and miniature low-temperature power supply modules for engineering equipment. The lightweight design reduces overall vehicle load and ensures stable power output during parking under both high and low temperature conditions.
Lightweight Field Scientific Research & Detection Equipment
Perfect for polar handheld detectors and high-altitude miniature meteorological collection devices. It features minimal capacity attenuation in extreme cold environments and delivers stable endurance for long-term field operations.
Ⅲ. Product Summary
The BHL105051-5Ah pouch cell features three core strengths: 342Wh/kg ultra-high energy density, stable -40℃ ultra-low-temperature discharge and customizable lightweight pouch structure. It also integrates four key advantages including long cycle lifespan, ultra-low self-discharge, full-dimensional safety protection and flexible PACK compatibility. Custom-developed for lightweight extreme-cold special instruments and wearable individual equipment, it is supported by complete charge-discharge specifications, professional pouch PACK design solutions and a one-year process warranty, serving as the optimal pouch lithium cell for ultra-thin low-temperature power supply equipment.
