Fundraising Fox

Johnson Energy Storage

Atlanta, US · Founded 2021 · Delaware corporation

Johnson Energy Storage develops all-solid-state lithium batteries (ASSB) based on a patented glass electrolyte separator that suppresses lithium dendrites and is stable in contact with lithium metal and metal oxide cathode materials. The company focuses on advanced battery technology, drawing on over 20 years of research.

CleantechEnergyNew Materials

Founders & leadership

Johnson Energy Storage was founded in 2021 by Lonnie G. Johnson.

LGLonnie G. Johnson
Lonnie G. JohnsonFounder
UB
U. Bertram EllisExecutive
JW
John W. WilsonExecutive

Board

UB
U. Betram EllisBoard director
MS
Michael S. McQuaryBoard director
MW
Mack WilbournBoard director

Reported raises · per SEC filings

Form D private placements

$14.5M disclosed across 5 rounds · 2021–2025

▶$1MraisedApr 2025 · 1 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Lonnie G. JohnsonExecutive Officer, Director
  • Clyde TuggleDirector
  • Mack WilbournDirector
  • U. Bertram EllisExecutive Officer, Director
  • Brandon MartinExecutive Officer, Director
  • Michael S. McQuaryDirector
Offering amount
$65M
Amount sold
$1M
Minimum investment
$10K
Finders' fees
$1.6M
First sale
Feb 2025
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$10.7MraisedAug 2024 · 27 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • U. Bertram EllisExecutive Officer, Director
  • Michael S. McQuaryDirector
  • Mack WilbournDirector
  • Lonnie G. JohnsonExecutive Officer, Director
Offering amount
$15M
Amount sold
$10.7M
Minimum investment
$10K
First sale
Jan 2024
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$250KraisedApr 2024 · 1 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Lonnie G. JohnsonExecutive Officer, Director
  • Michael S. McQuaryDirector
  • Mack WilbournDirector
  • U. Bertram EllisExecutive Officer, Director
Amount sold
$250K
Minimum investment
$100K
First sale
Mar 2024
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.6MraisedOct 2022 · 2 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • U. Bertram EllisExecutive Officer, Director
  • Michael S. McQuaryDirector
  • Lonnie G. JohnsonExecutive Officer, Director
  • Mack WilbournDirector
Offering amount
$3.9M
Amount sold
$2.6M
Minimum investment
$25K
First sale
Oct 2021
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.4KraisedApr 2021 · 4 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • U. Betram EllisDirector
  • John W. WilsonExecutive Officer, Director
  • Mack WilbournDirector
  • Michael S. McQuaryDirector
  • Lonnie G. JohnsonExecutive Officer, Director
Offering amount
$1.4K
Amount sold
$1.4K
First sale
Apr 2021
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 1

by search overlap
Form Energy6 shared keywordsForm Energy develops and manufactures low-cost, multi-day iron-air battery systems for long-duration energy storage on the electric grid, serving utilities and project developers primarily in the United States. Founded in 2017, it has begun expanding internationally with its first project in Ireland.

Companies competing with Johnson Energy Storage for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Johnson Energy Storage, Inc. - Battery-Tech Networkbattery-tech.net · Aug 2025Georgia Equity Direct Program Catalyzes Private Investment in Johnson Energy Storage - The Future of Energy Storagejohnsonenergystorage.com · Dec 2024Earvin “Magic” Johnson Invests in Johnson Energy Storage to Power the Future of Clean Energy - The Future of Energy Storagejohnsonenergystorage.com · Sep 2024Johnson Energy Storage | Select Georgiaselectgeorgia.com · May 2024Southern Company invests in Johnson Energy Storage - The Future of Energy Storagejohnsonenergystorage.com · Apr 2024Southern Company Invests in Johnson Energy Storage – CSRwirecsrwire.com

Frequently asked questions

What does Johnson Energy Storage do?
Johnson Energy Storage develops all-solid-state lithium batteries (ASSB) based on a patented glass electrolyte separator that suppresses lithium dendrites and is stable in contact with lithium metal and metal oxide cathode materials. The company focuses on advanced battery technology, drawing on over 20 years of research.
Who founded Johnson Energy Storage?
Johnson Energy Storage was founded by Lonnie G. Johnson in 2021.
How much funding has Johnson Energy Storage raised?
Johnson Energy Storage has disclosed $14.5M raised across 5 rounds.
Where is Johnson Energy Storage headquartered?
Johnson Energy Storage is headquartered in Atlanta, US.