Why Choose This Product
For Aviation and Airport Equipment Battery projects, this battery helps buyers evaluate the key decisions that matter before sampling: voltage, capacity, chemistry, working temperature, enclosure and export documentation.
Battery Pack Profile
40C Low-Temperature Lithium-ion Battery 21700 50.4v21ah Drone Battery is designed for airport ground equipment, aviation support systems and high-reliability mobile power projects where battery voltage, capacity, discharge behavior and installation space must be matched to the final equipment. The available reference specification is 50.4V, 21ah, -40C, 21700 Battery Pack, and the pack can be engineered with the required BMS, connector and enclosure.
The design starts from the equipment load profile, then matches cell chemistry, series-parallel layout, protection strategy and connector output. This allows the pack to support the required runtime and safety margin.
Best-Fit Buying Scenario
This product is suitable for aviation support and airport equipment that needs stable power, clear maintenance planning and reliable operation across outdoor temperature changes. The final design should confirm duty cycle, charging interval, vibration exposure and safety documentation. 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 Aviation and Airport 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
- Voltage: 50.4V
- Capacity: 21ah
- 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 50.4V as the starting voltage reference and verify the acceptable device input range
- Use 21ah 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 airport equipment, confirm duty cycle, outdoor temperature range, vibration and charging interval
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
Electrical and Pack Specifications
| Nominal Voltage | 50.4V |
|---|---|
| Capacity | 21ah |
| Low Temperature Rating | -40C |
| Battery Chemistry | 21700 Battery Pack |
Applications
- Aviation and Airport Equipment Battery
- airport ground equipment, aviation support systems and high-reliability mobile power projects
- 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-ion Battery 21700 50.4v21ah Drone Battery 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.