QSI is an industry leader in the design, development, and manufacture of high performance, low cost zinc-air power systems targeted at the $50 billion portable power market. Founded in 2002 and based in Santa Ana, California, QSI’s ISO 9001:2008 certified production processes deliver a line of non-toxic, safe, lightweight MetAir™ power generation products with the highest energy density of any commercially available battery, and at the lowest cost per kilowatt hour (by weight and volume). The MetAir™ portable power systems are designed for off-the-grid power needs including emergency preparedness & response, outdoor sports & recreation, and back-up power for consumer electronics, as well as military, and electric vehicle applications.  For partner or distribution opportunities, additional product information, or to place an order, please visit www.qsinano.com or call 714.545.6266. 

  • 2905 Tech Center Dr.
  • Santa Ana, CA 92705
  • United States
  • Phone: 714-545-6266
  • Toll Free:
  • Fax: 714-545-6265
  • Website: http://www.qsinano.com

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MetAir Ranger Series Battery Portable Power


QuantumSphere, Inc.'s MetAir Ranger series for on-demand back-up power in off-grid and emergency applications.  While already offering the highest energy density of any commercially available primary battery at the lowest cost per kilowatt hour, QSI’s MetAir Ranger portable power system has received independent validation that it surpasses the industry’s 72-hour emergency preparedness benchmark. The system achieved an unprecedented 108 hours – four and a half days – of instantly accessible emergency power. 

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