Dark Lithium
Power, Perfected for Every Mission
Dark Lithium
GOLD: Max Energy & Power
Powered by 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.
Dark Lithium
RED: High Power
High-power battery packs for demanding flight, robotics and payload applications. Compare continuous and burst ratings on each product page.
Dark Lithium
GREEN: Long Range
Long-range battery packs built around high-energy cells. Compare capacity, weight and current limits to select a pack for your mission.
Welded with Copper
Lower electrical resistance than nickel
Optimized for Weight
Assembly methods selected to reduce weight
Assembled in the US
Located in Los Angeles
Program Support
Contact us for configuration-specific compliance documents
Designed and Assembled in USA
Quality
Rigorously tested and assembled in the USA with 100% copper welding for maximum durability and reliability.
Performance
Engineered to balance power, weight and flight duration. Compare product-specific ratings to select a pack for your application.
Innovation
Cutting-edge silicon anode technology and SWaP-C optimization push the boundaries of what's possible in drone battery design.
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
