Our low-temperature Li-polymer battery series is specifically engineered to overcome the inherent performance limitations of conventional batteries in extreme cold environments. By integrating advanced material formulations, innovative design concepts, and a rigorous manufacturing process, we have developed a specialized lineup that maintains reliable operation from -40°C to 60°C.
Available in flexible pouch formats, these batteries can be customized into thin, lightweight, and versatile shapes and sizes—making them suitable for designs where space, weight, and layout flexibility are critical.
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7.4V Low temperature lithium polymer battery -20℃ 5000mAh for walkie-talkie
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No.
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Item
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General Parameter
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Remark
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1.1
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Description
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7.4V Low temperature lithium polymer battery -20℃ 5000mAh for walkie-talkie | |
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1.2
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Cell Model
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3.7v 5000mAh
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1.3
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Typical Capacity
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5Ah
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1.4
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Typical Voltage
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3.7V
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1.5
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End of Charge Voltage
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4.2V
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1.6
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Standard Charge Current
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1000mA
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1.7
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Charging time
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6-8 hours
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1.8
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End discharge Voltage
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2.5V
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1.9
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Max continuous charge current
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2500mA
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2.0
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Maximum Continuous Discharging Current
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2500mA
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2.1
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Over-discharge Voltage Protection cell
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2.5V
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2.2
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Peak current | 5000mA |
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2.3
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Short circuit protection
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YES
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2.4
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Dimension
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13*60*96mm
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2.5
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Weight
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165g
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2.6
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Operation Temperature Range
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Charge -0~45℃, Discharge -20~60℃
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High Discharge Performance in Low Temperatures: Capable of delivering 80% discharge capacity at -40°C under 0.2C load.
Excellent Low-Temperature Cycling: After 300 cycles at -30℃ with 0.5C charge/discharge, capacity retention exceeds 85%.
Flexible Customization: Supports tailored designs in temperature performance, dimensions, and cell shape.
Batch Production Consistency: Ensures high uniformity and reliability across volume orders.
Wide Operating Range: Functions reliably from -40℃ to 60℃.
Safety & Compliance: Certified to UL, CE, and UN standards.
Breakthrough in Temperature Limits: Extends operational range beyond the traditional -20℃ to 60℃ threshold.
Broad Applicability: Ideal for cold-climate operations and specialized equipment.
Our low-temperature Li-polymer batteries are designed for reliable operation in extreme environments. They are widely used in fields including:
GPS & Automotive Trackers
Military Radios
Broken Wire Indicators
Aerospace Systems
Deep-Sea Snorkeling & Diving Equipment
Polar Scientific Research
Expedition & Exploration Gear
Cold-Region Rescue and Disaster Relief
Winter Apparel & Heated Footwear Systems
Our R&D team works closely with clients to deliver tailored battery solutions that meet specific operational needs across these demanding applications.
Our low-temperature Li-polymer battery series is engineered specifically to overcome the inherent limitations of conventional batteries in cold environments. Utilizing proprietary material formulations and advanced manufacturing processes, these batteries significantly improve discharge performance at low temperatures, reduce internal resistance, and deliver high-rate power output. As a result, they offer extended lifespan and stronger, more reliable power.
A core technological achievement is their ability to maintain over 80% discharge capacity even at -30°C under a 0.2C load.
Our Services:
Customization Support: We offer flexible design options for size and shape based on your specific requirements.
Proven Reliability: All batteries deliver stable and consistent performance.
Samples & Volume Production: Available for evaluation and scalable mass manufacturing.
OEM & ODM Solutions: Comprehensive partnership models to meet your branding and design needs.
Catherine
Sales Manager