Energy storage, clean and simple.

Aquion manufactures safe and sustainable saltwater batteries.

  • Safe salt water battery


    The safest batteries in the world; non-flammable, non-explosive, non-hazardous, and touch-safe.

  • Sustainable salt water battery


    No heavy metals or toxic chemicals and the only batteries in the world to be Cradle to Cradle Certified™.

  • Cost-effective saltwater battery


    Low upfront installed systems cost due to simple architecture, and minimal to no operating costs.

  • Simple salt water battery


    Maintenance-free, no battery management required, and compatible with all leading power control electronics.

  • High-performing salt water battery


    Long-lasting and tolerant to wide temperature ranges, partial state of charge cycling, and daily deep cycling.

Aquion Energy batteries for the home


Live cleaner. Capture all the solar you generate with the safest battery for your home.

Learn More
Aquion Energy batteries for business, commercial and industrial, and utility applications

Businesses & Utilities

Choose the safe and hassle-free alternative to lead acid and lithium ion for your project.

Learn More

What’s inside matters.

Clean energy should be stored in clean batteries. Aquion Energy's patented Aqueous Hybrid Ion (AHI™) technology is a unique saltwater battery chemistry made from abundant, nontoxic materials. Our batteries contain no heavy metals or toxic chemicals and are non-flammable and non-explosive, making them the cleanest and safest batteries for your home or business.

Aquion Energy's saltwater batteries are the first and only in the world to be Cradle to Cradle Certified™, an esteemed quality mark for products made from sustainable materials and manufacturing processes.


Aquion Energy wins Fast Company award

Top 10 Most Innovative Companies of 2015 in Energy

Aquion Energy named to MIT Tech Review's 50 Smartest Companies 2015

50 Smartest Companies 2014, 2015, and 2016

Aquion Energy included in the 2015 Global Cleantech 100 List

The 2015 Global Cleantech 100 List

Aquion Energy is a PV Magazine Top Innovation Winner

PV Magazine Top Innovation Award 2016

building green top products 2017

BuildingGreen Top 10 Product for 2017

Aquion Energy is an EES Award Winner

EES Award Winner

Memberships and Organizations