Fortress Power
Smart, Clean Energy Storage for Homes and Business - Lithium Batteries
61 employees · est. 2016 · Langhorne, United States
Fortress Power is the older company (2016 vs 2017).
Side-by-Side Comparison
| Metric | Fortress Power | Lithium Werks |
|---|---|---|
| Founded | ||
| Founded | 2016 older | 2017 |
| Headquarters | ||
| Headquarters | Langhorne, United States | Enschede, The Netherlands |
| Employees | ||
| Employees | 61 | 100 |
| Industry | ||
| Industry | Energy, Manufacturing, Energy Storage | Energy, Renewable Energy, Energy Storage |
| Funding Stage | ||
| Funding Stage | Growth | Not tracked yet |
| Total Funding | ||
| Total Funding | Not tracked yet | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | Not tracked yet |
| Services | ||
| Services | Energy Storage System Sales, Installer Training and Certification, Technical Support and Documentation, Residential and Commercial Energy Solutions, Rebates and Incentives Programs | Battery Manufacturing, Custom Battery Pack Development, Battery Management Systems, Energy Storage Solutions |
| Target Customers | ||
| Target Customers | Homeowners, Commercial Businesses, Industrial Facilities, Schools, Healthcare Centers, Government Facilities, Energy Installers and Distributors | Stationary Energy Storage Providers, Industrial Sector, Commercial Marine Industry, Transportation Industry |
| Taxonomy | ||
| Taxonomy | Clean Energy Storage, Lithium Iron Phosphate Batteries, Energy Storage Solutions, Battery Manufacturing, Compact Battery Systems, Reliable Energy Solutions, Home Energy Storage, Commercial Energy Storage, Solar Energy Storage, Energy Dependability, Affordable Energy Solutions, Battery Safety, Premium Energy Products, Sustainable Energy Systems | Lithium Iron Phosphate Batteries, Battery Management Systems, Energy Storage, Medical Batteries, Motive Batteries, Marine Batteries, Industrial Batteries, Material Handling Batteries, Military Batteries, Government Sector, NanoPhosphate Technology, Custom Battery Modules, Long Life Batteries, High Capacity Batteries, Global Market Service |
| Website | ||
| Website | fortresspower.com | lithiumwerks.com |
About Fortress Power
Fortress Power is a prominent player in the rapidly growing energy storage sector, delivering smart, clean energy storage for homes and businesses through its specialization in Lithium Iron Phosphate batteries. Since its inception in 2016, this Pennsylvania-based company has successfully carved a ni...
About Lithium Werks
Lithium Werks, positioned as an innovator in the Energy and Renewable Energy sectors, has gained recognition for its pioneering work with lithium iron phosphate batteries. Founded in 2017, this company integrates design, engineering, and manufacturing to create high-capacity, long-life batteries wit...
We will tell you when either one moves
BounceWatch watches Fortress Power and Lithium Werks for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Fortress Power and Lithium Werks — by email.
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Compiled from the BounceWatch company index. We last looked at Fortress Power on 14 May 2026, and Lithium Werks on 19 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
