Cylindrical Cells
High-performance cylindrical lithium batteries for extreme temperature applications
Product Overview
Our cylindrical lithium batteries are engineered for applications requiring reliable power in extreme temperature environments. From military communications in Arctic conditions to industrial controls in desert heat, these cells deliver consistent performance where conventional batteries fail.
Extreme Temperature Range
Operates reliably from -40°F to 185°F (-40°C to +85°C) without performance degradation
Built-in Safety
Integrated protection circuits prevent overcharge, overdischarge, and thermal runaway
High Power Output
Delivers consistent power with low internal resistance across temperature range
Long Cycle Life
Over 5000 charge-discharge cycles maintain 80% capacity retention

Technical Specifications
Available Models
WT18650-3200
Applications:
- • Military Communications
- • Emergency Equipment
- • Portable Devices
WT26650-5000
Applications:
- • Industrial Controls
- • Power Tools
- • Medical Devices
WT21700-4000
Applications:
- • Electric Vehicles
- • Energy Storage
- • Power Banks
Technical Documentation
Download detailed specifications, test reports, and application guides
Why Choose Extreme Temperature Batteries?
See how our advanced LiFePO₄ technology outperforms standard batteries in demanding conditions
Feature
Standard LiFePO₄
Extreme Temp LiFePO₄
Operating Temp
(0°C to 45°C)
(-40°C to 65°C)
Safe Cold Charging
Cycle Life
Total Cost
* 5000+ cycles achieved under certain circumstances. Actual performance may vary based on operating conditions.
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