BHL0839109-10Ah-HDD High-Density Low-Temperature Primary Lithium-Ion Cell

Dimensions: 109×39×8mm, 3A continuous discharge & high pulse output. Discharge range: -40℃~55℃ with slight low-temp capacity loss. 5-year shelf life, ultra-low self-discharge, storage temp: -30℃~35℃. Compliant with IEC standards, passed vibration, drop, low pressure & over-discharge tests. Non-rechargeable, maintenance-free, for unattended field sensors, polar exploration, cold-region downhole gear and sealed monitoring instruments.

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BHL0839109-10Ah-HDD is a high-density low-temp primary pouch lithium battery. Unlike rechargeable cells, it requires no charging and delivers ultra-long standby runtime, eliminating industry issues like no on-site charging, power depletion during long storage and severe low-temperature capacity fade. Its ultra-thin lightweight laminate pouch fits narrow device cavities easily. Pre-charged at factory for instant use, it supports steady continuous and pulse discharge.

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BHL0839109-10Ah-HDD High-Density Low-Temperature Primary Lithium-Ion Cell | Product Introduction


Ⅰ. Core Product Advantages


1. Ultra-wide low-temperature discharge at -40℃, all-climate stable output

Discharge temperature range: -40℃~55℃; storage temperature range: -30℃~35℃.

It maintains rated capacity at 55℃ high temperature and 0℃ ambient, and delivers stable rated capacity even under extreme -40℃ cold conditions with a low-temperature cut-off voltage of 2.0V. No heating module is required. It can be directly applied to long-term unattended equipment in polar regions, mines, northern open fields and cold storage environments. It eliminates the need for charging circuits, simplifies overall equipment structure and reduces comprehensive operating costs.


2. 5-year ultra-long shelf life with ultra-low self-discharge

Adopting a high-density electrochemical system dedicated to primary lithium cells, the cell features an extremely low annual self-discharge rate and can be stably stored for up to 5 years under standard conditions. It supports long-term equipment storage and cross-season field operations without intermediate recharging, removing regular inspection and charging procedures and greatly cutting maintenance labor costs for remote monitoring devices.


3. 10Ah large capacity, supporting continuous and pulse dual working modes

With a rated large capacity of 10Ah and standard 3000mA continuous discharge current, the cell supports short-time high pulse current output, adapting to both long-term low-power monitoring and instantaneous signal transmission & data collection loads. Featuring an ultra-thin 8mm lightweight design, it enables compact integration for miniature monitoring and downhole detection instruments.


4. Strict full-range safety certification with high safety performance

The cell has passed complete safety tests including XYZ three-axis vibration, 6-direction 1-meter drop, low-pressure high-altitude simulation and series over-discharge tests, with zero leakage, fire or explosion throughout the tests. Free from strictly controlled hazardous substances and compliant with IEC international lithium battery standards, it ensures safe transportation and field operation with no risk of overheating or explosion caused by charging.


5. Ultra-thin pouch & maintenance-free design for easy assembly

Featured with a slim pouch size of 8×39×109mm and flexible aluminum-plastic shell, the cell fits closely to equipment inner cavities. It requires no charging management circuit, delivering an extremely simple battery pack structure with flexible series and parallel matching. Complex charge-discharge welding circuits are not needed, effectively improving mass production efficiency for small-batch monitoring equipment.


Ⅱ. Industry Application Scenarios

  1. Long-term field IoT monitoring equipment in cold regions

    Suitable for unattended data collection terminals of oil & gas pipelines, mountain hydrology and meteorological monitoring. It supports 5-year maintenance-free operation and uninterrupted power supply under sub-zero environments with no on-site charging required.

  2. One-time detection instruments for polar & underground mining scenarios

    Ideal for polar scientific research recorders and underground one-time detection devices. It provides long-lasting power for non-rechargeable scenarios, and its ultra-thin size adapts to narrow cavities of downhole instruments.

  3. Long-term sensing recorders for cold storage & cold chain

    Applicable to one-time temperature sensing labels and cold chain transportation monitoring modules, delivering stable output in perennial low-temperature environments and requiring no battery replacement for years.

  4. Border field one-time individual monitoring equipment

    Perfect for border unattended induction devices and field one-time positioning terminals. It remains functional after long-term storage and maintains stable voltage output at low temperatures.

  5.  Long-term monitoring devices for high-altitude & open sea scenarios

    Widely used for marine buoys and high-altitude unmanned detection equipment. It resists vibration and low air pressure during transportation and maintains stable discharge after years of static storage.

Ⅲ. Product Summary

The BHL0839109-10Ah-HDD high-density low-temperature primary cell features maintenance-free one-time use, 5-year ultra-long storage life, stable -40℃ low-temperature discharge and ultra-thin 10Ah large capacity. It also integrates ultra-low self-discharge, pulse load adaptability, full-item safety certification and simplified PACK structure. This cell is an optimal primary lithium power solution for various one-time monitoring and exploration equipment deployed in non-charging, long-term storage and extreme cold working environments. Factory pre-charged with complete installation and operation specifications, it is the preferred power source for long-term unattended low-temperature equipment.


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