Explore Our Battery Technologies
Our team of seasoned applications engineers partner directly with your development teams from concept through production. With decades of real-world experience across critical power applications, we understand the challenges you face— safety certifications, thermal management, lifecycle demands—and we solve them head-on.
Built by Engineers, For Engineers
At Ultralife, we specialize in custom and standard battery packs designed to meet your unique needs. Our strength lies in deep technical expertise, collaborative problem solving, and our ability to deliver application-specific energy solutions—no matter the complexity.
- Ultra-slim 3.0V pouch cell design available in 8+ pre-engineered sizes
- High energy density: ~500 Wh/l and 400 Wh/kg (vs. 300 Wh/l & 260 Wh/kg for lithium coin cells)
- Superior high-rate performance—ideal for RF transmitters
- Operates between -20°C to +60°C without swelling or expansion
- Certified: UL 1642, UN 38.3, some models meet IEC 60086-4
- Customize using our Thin Cell Calculator for unique size/capacity needs
- 1200mAh capacity (50% more than top competitors)
- Lightweight at 37g—18% lighter than alkaline equivalents
- Low internal impedance for high-power output & stable voltage
- Safety certifications: UL 2054, IEC 60086-4:2014, UL 217
- Drop-in replacement: meets ANSI Alkaline 1604 size specs
- Flat discharge curve, hermetically sealed steel casing
- Ideal for devices with high current demands after long dormancy
- 30+ models with energy ratings from 2.3 to 39.0 Wh
- Temp range: -40°C to +72°C
- CR123A certified to UL 1642, UN 38.3
- Optional PTC safety devices
- Custom battery pack integration available
- Generation X cells = superior horizontal discharge & consistency
- Choose high rate (lower Ah, high Amps) or low rate (high Ah) options
- High energy density: >400 Wh/kg
- Operating temp: -55°C to +85°C
- Certified: UL 1642, UN 38.3
- Safe design with non-flammable electrolyte & PTC options
- Battery pack integration available
- 3.0V hybrid chemistry with ~50% increase in capacity & shelf-life over standard LiMnO₂
- Minimal voltage suppression, better startup performance
- Temp range: -40°C to +72°C
- Safety-first with thermal switch & shutdown separator in select models
