121 articles
EnerSys
EnerSys is an American manufacturer of industrial batteries, chargers, and power equipment, headquartered in Reading, Pennsylvania, serving over 10,000 customers in more than 100 countries.
EnerVenue
EnerVenue Holdings, Ltd. is a Fremont, California energy storage company founded in 2020 by Stanford professor Yi Cui that makes NASA-derived nickel-hydrogen batteries for long-duration grid electricity storage.
Enovix
Enovix is an American Silicon Valley battery manufacturer founded in 2007 that makes lithium-ion batteries with a 100% active silicon anode, targeting smartphones, wearables, and defense.
Envision AESC
Envision AESC is a Yokohama-based maker of lithium-ion battery cells for electric vehicles, founded by Nissan and NEC in 2007 and sold to Envision Group in 2019.
Envision Group (远景科技)
Envision Group (远景科技) is a Chinese green-technology company founded by Zhang Lei in Jiangyin, spanning wind turbines, batteries, green hydrogen, and software through subsidiaries including Envision Energy and Envision AESC.
Eos Energy Enterprises
Eos Energy Enterprises is an American company making zinc-based batteries for 3 to 12-hour utility and commercial energy storage, headquartered in Edison, New Jersey, and trading as NASDAQ: EOSE.
Exide Technologies
Exide Technologies is a battery manufacturer founded in 1888 as the Electric Storage Battery Company, split into separate Americas and European businesses after its 2020 bankruptcy.
Faradion
Faradion Limited is a British sodium-ion battery technology company founded in Sheffield, England, in 2011, described as the first non-aqueous Na-ion company and acquired by Reliance Industries in a 2021 deal.
Farasis Energy
Farasis Energy (孚能科技) is a Chinese manufacturer of lithium-ion pouch batteries for electric vehicles, founded in Silicon Valley in 2002 and headquartered in Ganzhou, Jiangxi.
Fluence Energy
Fluence Energy is an American grid-scale battery energy storage company in Arlington, Virginia, founded in 2017 as a joint venture of Siemens and AES and publicly traded since 2021.
Form Energy
Form Energy is an American energy storage company, founded in 2017 and based in Somerville, Massachusetts, that makes rechargeable iron-air batteries storing electricity for up to 100 hours.
Forsee Power
Forsee Power is a French company founded in 2011 that makes lithium-ion battery systems for electric buses, trucks, off-highway vehicles, and trains, listed on Euronext Paris since 2021.
FranklinWH
FranklinWH, formally FranklinWH Energy Storage Inc., is an American residential energy storage company founded in 2019 in San Jose, California, known for its whole-home battery system.
FreeWire Technologies
FreeWire Technologies, founded in 2014 by Arcady Sosinov, was a Newark, California maker of battery-integrated DC fast chargers for electric-vehicle fleets and retail sites that ceased operations in 2024.
FREYR Battery
FREYR Battery is a battery cell developer founded in Norway in 2018 to produce cells at Mo i Rana; it raised about $1 billion and rebranded as T1 Energy in 2025.
Gao Te Electronics
Gao Te Electronics (高特电子) is a Hangzhou-based maker of battery management systems for energy storage, founded in 1998 and listed on ChiNext in June 2026.
Gigafactory
A gigafactory is a very large plant producing lithium-ion battery cells, battery materials, or electric vehicles at gigawatt-hour scale, a term popularized by Tesla and now used industry-wide.
Gigafactory Texas
Gigafactory Texas, also called Giga Texas, is Tesla's vehicle and battery cell plant in Austin, Texas, opened in 2022, where it builds the Model Y and Cybertruck.
GS Yuasa Corporation
GS Yuasa Corporation (GSユアサ株式会社) is a Kyoto-based Japanese battery manufacturer formed in 2004 by the merger of Japan Storage Battery and Yuasa Corporation, ranking second worldwide in automotive lead-acid batteries.
HiNa Battery
HiNa Battery, known in Chinese as 中科海钠, is a Chinese sodium-ion battery manufacturer founded in 2017 in Liyang, Jiangsu, as the first spinoff from Chinese Academy of Sciences research.
Hithium Energy Storage
Hithium Energy Storage, or 海辰储能, is a Chinese manufacturer of lithium iron phosphate battery cells and storage systems, founded in 2019 in Xiamen by Wu Zuyu.
HL-GA Battery Company LLC
HL-GA Battery Company LLC is a Hyundai Motor Group and LG Energy Solution joint venture formed in 2023 to build a 30 GWh battery cell plant in Bryan County, Georgia.
HOPPECKE
HOPPECKE (Hoppecke Batterien GmbH) is a German family-owned manufacturer of industrial batteries, founded in Brilon in 1927, producing lead-acid, nickel-fiber, and lithium-ion batteries and reporting over €600 million in sales for 2024.
HyperStrong
HyperStrong (Beijing HyperStrong Technology, 海博思创) is a Chinese battery energy storage integrator founded in 2011, with over 400 projects, 70 GWh deployed, and a 2025 STAR Market listing.
Instagrid
Instagrid is a German company, founded in 2018 in Ludwigsburg, that makes portable battery power systems replacing petrol and diesel generators in construction, film, and emergency services.
Leclanché (company)
Leclanché SA is a Swiss lithium-ion battery manufacturer founded in Yverdon-les-Bains in 1909, making cells, modules, and energy-storage systems for marine, rail, and grid uses.
LG Energy Solution
LG Energy Solution is a South Korean manufacturer of lithium-ion batteries for electric vehicles and energy storage, spun off from LG Chem in 2020 and headquartered in Seoul.
Maitian Energy
Maitian Energy, also known as Fox ESS, is a Chinese manufacturer of residential energy storage systems and inverters, founded in 2019 in Wenzhou with backing from Tsingshan Holding Group.
Maxell
Maxell (マクセル) is a Japanese battery manufacturer headquartered in Tokyo and Kyoto. Established in 1960 as a spin-off of Nitto Electric Industrial, it made Japan's first alkaline dry battery.
Maxwell Technologies
Maxwell Technologies is an American energy-storage company in San Diego, California, known for ultracapacitors used in cars, wind turbines, and grids, with origins dating to 1965.