40C Low-Temperature Lithium Battery 21700 Industrial Module Custom 14.8v8ah Specialty Power
Battery Product

40C Low-Temperature Lithium Battery 21700 Industrial Module Custom 14.8v8ah Specialty Power

40C Low-Temperature Lithium Battery 21700 Industrial Module Custom 14.8v8ah Specialty Power provides a project-ready battery option for field equipment, tactical communication devices, rugged instruments and special-purpose power systems. Key specifications include 14.8V,

Voltage

14.8V

Capacity

8ah

Chemistry

21700 Battery Pack

Application

Military and Special Equipment Battery

Why Choose This Product

This product is suitable when a standard battery is not enough and the pack must be matched to the device load, operating environment, wiring definition and production quantity. 21700 cells are useful when higher energy density and stronger discharge capability are required.

Custom Power Solution

40C Low-Temperature Lithium Battery 21700 Industrial Module Custom 14.8v8ah Specialty Power provides a project-ready battery option for field equipment, tactical communication devices, rugged instruments and special-purpose power systems. Key specifications include 14.8V, 8ah, -40C, 21700 Battery Pack, giving engineers and buyers a clear starting point for sample evaluation, pack integration and custom production planning.

The pack reaches the required electrical output by arranging selected cells in series and parallel. A BMS or protection circuit supervises charge, discharge, current and temperature behavior so the battery can work safely inside military and special equipment battery equipment.

Best-Fit Buying Scenario

This product is suitable for special equipment projects where low-temperature behavior, rugged construction, predictable runtime and repeatable batch quality are important. The design should be checked against field charging methods, transport conditions and device installation limits. As a 21700 Battery Pack product, the pack can be adjusted through cell selection, BMS design, wiring, enclosure and testing process.

Product Features

  • 21700 Battery Pack pack design for Military and Special Equipment Battery applications
  • BMS or protection circuit support for charge, discharge, current and temperature safety
  • Custom connector, cable, enclosure, label and communication interface options
  • Designed for sample evaluation and repeatable batch production
  • Higher cell-level energy density than many traditional cylindrical formats
  • Useful for compact packs that still need strong runtime
  • Rugged pack options for field use, transport and low-temperature operation
  • Sample validation can focus on vibration, runtime and cold discharge behavior
  • Voltage: 14.8V
  • Capacity: 8ah
  • Operating temperature: -40C

Engineering Notes

  • Confirm continuous current, peak current and duty cycle before final cell and BMS selection
  • Match the charger profile to the selected chemistry and series configuration
  • Reserve mechanical space for cell expansion allowance, insulation, cable bend radius and fixation points
  • Use 14.8V as the starting voltage reference and verify the acceptable device input range
  • Use 8ah as the runtime reference and validate working time under real load conditions
  • Check -40C against storage, charging and discharge conditions for the final environment
  • For special equipment, confirm transport requirements, cold-start conditions, enclosure strength and field charging method

Configuration Options

  • Voltage and capacity can be adjusted according to the equipment input range and runtime target
  • Cell chemistry can be selected for energy density, cycle life, safety or low-temperature behavior
  • BMS functions can include balancing, temperature sensing, overcurrent protection and communication
  • Housing can be PVC shrink, plastic case, metal enclosure or sealed waterproof structure
  • Connector, wire gauge, cable length and pin definition can follow the device drawing
  • Labels, carton marks and export documents can be prepared for batch shipment

Reference Specifications

Nominal Voltage 14.8V
Capacity 8ah
Low Temperature Rating -40C
Battery Chemistry 21700 Battery Pack

Applications

  • Military and Special Equipment Battery
  • field equipment, tactical communication devices, rugged instruments and special-purpose power systems
  • OEM equipment power supply
  • low-temperature or demanding operating environments
  • custom industrial battery projects

Customization Options

  • 21700 Battery Pack
  • selected battery cells
  • BMS or protection PCB
  • nickel strip, busbar and internal wiring
  • connector, cable harness and insulation structure
  • confirm device input voltage, peak current and connector polarity before installation
  • reserve space for fixing, cable bend radius and heat dissipation
  • use a charger matched to the approved battery configuration
  • confirm communication protocol if smart BMS is required

Production and Testing

  • incoming cell voltage, capacity and internal resistance sorting
  • series-parallel assembly and welding inspection
  • BMS protection function test
  • charge-discharge verification
  • temperature or environmental validation when required
  • final appearance, label and packaging inspection

Why Choose Our Product

  • cell batch traceability and matching
  • electrical safety and polarity check
  • BMS protection verification
  • aging and capacity sampling
  • shipping label and packaging inspection
  • avoid long-term storage at full discharge
  • inspect cables, connectors and enclosure regularly
  • store in a dry environment within the approved temperature range
  • stop using the pack if swelling, leakage, abnormal heat or physical damage appears

Packaging and Export Support

Export packaging can be prepared with insulated cartons, labels and documents according to the final battery chemistry, watt-hour rating and transport method. UN38.3, MSDS, CE, RoHS or other project documents can be planned when required.

FAQ

Can 40C Low-Temperature Lithium Battery 21700 Industrial Module Custom 14.8v8ah Specialty Power be customized?

Yes. Voltage, capacity, BMS, connector, wire length, housing and label can be customized according to the equipment requirement.

What information is needed before production?

The engineering team should confirm voltage, capacity, size limit, discharge current, charging method, connector definition, operating temperature and target certification before sample production.

Can samples be made before mass production?

Yes. A normal project can start with requirement review, sample production, testing confirmation and then batch production.

What information is needed for quotation?

Please provide application, voltage, capacity, size limit, discharge current, connector type, charging method, target market and quantity.

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About Us

We support OEM and ODM battery pack projects from requirement review and cell selection to BMS design, sample testing, batch assembly and export packaging. Buyers can provide equipment drawings, load data and target market requirements so the battery pack can be matched to the final application.