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company overviewmeet the k2 energy teamcareer opportunities
company overviewmeet the k2 energy teamcareer opportunities

About Us

Founded in Henderson, Nevada in 2006, K2 Energy is an American company and a leading researcher, developer and manufacturer of Lithium Ion batteries that are used in many advanced medical, transportation, and military applications around the world.  Patented in the United States, Europe, and in China, K2’s Lithium Ion™ technology provides products tailored to customer requirements over a broad range of applications and platforms.  Our proprietary K2 Lithium Ion™ technology in energy and power battery cells, modules and systems promise superior power, uncompromised safety, and unmatched performance in light-weight, long-lasting products that significantly out-perform traditional lead-acid batteries and other lithium ion products.  We constantly research and develop new process technology and products and are dedicated to reimagining what is possible in the field of energy storage systems.


our history


  • Joint development contract is signed with European Battery, OY leading to development and commercialization of K2’s polymer battery line.
  • Nevada Technology Start-Up of the Year Award granted by the Technology Business Alliance of Nevada.


  • K2 Energy is founded by Johnnie Stoker, Stewart Graham, Jim Hodge, Donn Nimmer, Gary Stoker, and Mark Stoker. Soon, K2 grew and moved into the Henderson incubator space.
  • K2 completes first commercial build of K2 Lithium Ion 18650 and 26650 energy cells.


  • K2 Energy completes development of and launches a commercial version of K2 Lithium Ion 26650 and 18650 power cells.
  • 2007 Technology Start-Up of the Year Award granted by Henderson Economic Development Authority.


  • Groundbreaking of new, large cell factory in Finland with European Battery.
  • Awarded a Navy SBIR contract for development of a 500 kW onboard ship battery.


  • K2 Energy Achieves Inc. Magazine's 500/5000 List for second year in a row.
  • Qualifies for key Navy Battery Program.
  • Launches new High Temperature (K2|HT™) energy cell.
  • Qualifies for the Marine’s Green’s program.


  • K2 energy expands to over 40 employees.
  • Awarded supply contract for Fiat 500EV batteries produced by Alelion/EV Adapt of Sweden.
  • Awarded a Technology Assessment Contract for Electric Vehicle Applications by the United States Advanced Battery Consortium LLC.
  • Granted sole source procurement contract to develop and fabricate batteries for a directed energy weapons system by Naval Surface Weapons Center.


  • K2 Energy expands to over 60 employees worldwide.
  • Honored by Inc. Magazine as number 79 of America’s fastest growing private companies.
  • K2 receives Nevada Green Company of the Year Award from Technology Business Alliance of Nevada.


  • First shipment of U.S. Navy Electromagnetic Rail Gun.
  • Receives Small Business Innovation Research (SBIR) award from U.S. Navy.
  • Receives Small Business Innovation Research (SBIR) award from Defense Logistics Agency.


  • K2 Energy is awarded contract for first full-scale prototype for Navy Battery Program.
  • Grand Opening of new Henderson, Nevada headquarters.


  • Awarded $81 million dollar contract for U.S. Navy Electromagnetic Rail Gun.


  • Blue Origin’s historical rocket landing – powered by K2 batteries.
  • K2 Energy Launches Boating Battery Line.
  • K2 Energy celebrates 10 year anniversary.
  • K2 Awarded military Mobile Electric Hybrid Power Sources (MEHEPS) program.
  • Expansion of K2 Energy Research & Development and domestic cell production facility.
  • K2 Energy Wins Several Contracts


  • U1 Battery Family Product line announcement
  • Marine Battery Line and Starter Battery
  • K2 crossing 100 mil. in revenue
  • Paragon Space Development contract for Buswork Integrated Cooling System
  • Navy Surface Warfare Center Contract for Enhanced Cell Designs for Improved Internal Heat Transfer. High Rate and Power Capable, Large Format Batteries.
  • K2 hires new Vice President of Sales & Marketing, Sean Campbell, bringing Sales Expertise to continue K2’s growth plans
  • Navy Office of Naval Research Contract to Develop a Large Format Cylindrical LFP/LTO Cell

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