SkelCap custom ultracapacitors are a high-end product line developed specifically to meet extremely demanding weight and space constraints. Our custom cells are designed and manufactured according to customer specifications and are ideally suited for defense, space, and motorsports applications where every millimeter and every gram counts.

Like our SkelCap industrial cells, the custom cells are based on Skeleton's patented curved graphene and production technologies, which allow for a much higher energy and power density than any competing product is able to achieve. 

Contact our sales directly below to discuss your needs.

Skeleton's custom ultracapacitors can be used for example in the following applications:


For further information or sales enquiries, please fill out the form. Please select the product you are interested in and include any additional information you might have regarding your application (including any requirements for current, power, energy etc). This will allow us to serve you better.