Skeleton technologiesEnergy Storage for High-Power Applications
Why Skeleton
World's Highest Power, Fastest-Charging Batteries
15+ Years Lifetime
Reliable and efficient, even after 1,000,000 cycles (Supercapacitors) and 50,000 (SuperBatteries).
100x Faster Charging
German Engineering
Combined with Estonian IT expertise.
Products
High Performance Energy Storage
From cells, to modules and systems. Skeleton is committed to providing customer-centric solutions for your applications.
Grid-Scale Systems
High-power, long lifetime grid-scale energy storage systems for E-STATCOM and datacenter applications.
Max power (1s)
1132 kW - 2830 kW
Max current (1s)
1400A - 2500A
Nominal voltage:
648V - 1500V
Supercapacitors & SuperBattery Modules
Designed to fit your unique applications, from grid and data center applications and 19" rack cabinets to engine starting for heavy trucks and mining machinery, to automotive low voltage boardnets.
Voltage options
12 - 162V, can be installed in series/parallel
Lifetime
Up to 15 years or 50 000 - 1 000 000 cycles
High power supercapacitors
Supercapacitors in industry standard D60 and D33 form factors, offering reliable high power, low ESR (1S 0.2-1.6mΩ) with 15+ years of lifetime.
Capacitance
300 - 5000 F
Specific power
20 - 28.4 kW/kg
Voltage
2.85V or 3.0V
ESR (1s)
0.2 - 1.6 mΩ
Temperature tolerance
up to +65°C/149°F
Balanced High Power and energy storage
SuperBatteries fills the gap between supercapacitors and Li-ion batteries, offering the ideal combination of energy, power, and safety for <45-minute applications.
Charge speed
60 - 90 seconds
Discharge cycles
+50,000
Lifetime
Up to 15 years
Operating Temperature
up to +50°C/122°F
Customers' Quotes
What Others
Are Saying About Us
solutions
Energy
Storage Solutions
for Your Unique Needs
Modules and systems, designed and certified to fit your unique applications.
Skeleton Locations
Pan-European Company With German Engineering
Headquarters, Module and Systems Development
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Sales, Application Engineering
technology
Unique Product Roadmap, Supported by the Largest R&D Team in the Industry
Sustainable Raw Materials
Free from cobalt, nickel, and copper
Robust & Safe
Safe even when pierced, crushed, or overheated, due to no lithiated graphite or lithium plating.
Curved Graphene
Skeleton's proprietary material allowing unmatched low internal resistance and high capacitance
Talk to us
Contact Us
Meet your high-power needs with Curved Graphene -based supercapacitor and SuperBattery cells, modules, and systems.
blog & news
Energy Storage Blog & News
We're committed to making a positive impact on our planet — not just today but every day
In today’s global society, energy—specifically electricity—is the backbone of every major industry. From industrial manufacturing to AI data centers, nothing runs without energy. However, with...
In today’s AI-driven world, finding reliable backup power systems is a major challenge for industries like data centers. By 2050, it’s expected that electricity will lead the way as the primary...
The material market for the battery industry is huge - we are talking about an industry worth of billions, which will grow even more when replacement materials for critical raw materials and rare...
faqs
Frequently Asked Questions
A supercapacitor is an energy storage medium, just like a battery. The difference is that a supercapacitor stores energy in an electric field, whereas a battery uses a chemical reaction. Supercapacitors have many advantages over batteries, such as safety, long lifetime, higher power, and temperature tolerance, but their energy density is lower compared to batteries. Learn more.
Skeleton’s SuperBattery technology is a fast-charging, high power battery technololy, filling the technology gap between supercapacitors and batteries. SuperBatteries offering the ideal combination of energy, power, and safety for <30-minute applications.
The short answer is that there is no difference in how the words are used today. To learn more about the history of these terms, read our blog post “What’s the Difference between and Ultracapacitor and a Supercapacitor?”.
Supercapacitors and batteries serve different purposes. Supercapacitors excel in short-term applications (typically a few seconds of power) and have a longer lifespan, higher reliability, and efficiency in extreme temperatures. Batteries are more economical for long-term energy needs. See our infographic explaining this the differences and to help you choose the right energy storage technology.
ESR (Equivalent Series Resistance) measures the internal resistance of a supercapacitor, and it's crucial as it affects efficiency, heat generation, and voltage drop. Lower ESR means higher efficiency, less heat, and better performance, especially in high-frequency applications. The lower the ESR of a supercapacitor, the better the performance.
Supercapacitors are capable of operating normally and maintaining efficiency within a temperature range of -40°C/F to +65°C or 149°F, with minimal to no effect on performance. However, high temperature does impact the lifetime of a supercapacitor cell, module, or system.