Designed and Assembled in USA
Quality
Performance
Innovation
Welded with Copper
3x more conductive than nickel
Optimized for Weight
Using the lightest assembly methods
Assembled in the US
Located in El Segundo, CA
NDAA Compliant
Trust and confidence built in
Best-in-Class Cells
Optimized for Energy Density
Power, Perfected for Every Mission
RED: Max Power
Driven by Amprius SA124 and Molicel P30B high-discharge cells, the Red line is purpose-built for aggressive, high-thrust applications, delivering uncompromising current output and thermal stability.
GOLD: Max Range
Powered by Amprius SA08 ultra–high energy density cells, the Gold line delivers exceptional flight duration and endurance. Engineered for long-range, high-efficiency missions where every extra minute in the air matters.
GREEN: Value Range
Built on Amprius SA10 lithium technology, the Green line offers a perfect balance between performance, weight, and cost. Ideal for daily applications that demand consistent, efficient power without premium pricing.
Quality Standards
Uncompromising Quality at Every Step
Each Upgrade Energy battery pack is built and inspected for precision, safety, and reliability.
Every pack passes rigorous visual and electrical checks—from weld integrity and solder quality to alignment, insulation, and performance verification.
- ✓ No gaps, wrinkles, or misaligned cells
- ✓ Two strong welds per tab, copper coloration verified
- ✓ Smooth solder joints with no voids or clumps
- ✓ Even balance and power cable alignment
- ✓ Heat shrink smooth and fully adhered
- ✓ ACIR and voltage tests within specification
- ✓ Packaging and labeling verified — no damage or bubbles
Top Clients and Components