Iontra

Higher Education · Energy Storage
$91.9Mtotal raised · 6 rounds on record
$39.3Mlatest round · Venture round · Nov 2024 · 23 mo ago
$5Mrevenue · 2019 · SEC Form D 0001640239-20-000001
50+team · employees, estimated range

Overview

Iontra's innovative battery technology improves battery health and longevity while reducing carbon footprints for a more sustainable future.

Funding and backers

Total raised
$91.9M
6 rounds on record
Latest round
$39.3M
Venture round · Nov 2024 · 23 mo ago
Team
51-200
employees, estimated range
Revenue
$5M
2019 · SEC Form D 0001640239-20-000001
The money's age
Due for its next round
23 months since the last round · not hiring
Momentum
0/100
no fresh signals
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Nov 14, 2024 Raised a round Venture round $39.3M · SEC Form D Aug 12, 2022 Raised a round Venture round $46.9M · SEC Form D 2022 Founded Nov 20, 2020 New executive Daniel Konopka, Executive Officer, Director · SEC Form D Nov 5, 2020 Raised a round Venture round $5.7M · SEC Form D Jun 26, 2019 Took on debt financing $775k · SEC Form D Nov 30, 2018 Took on debt financing $300k · SEC Form D May 6, 2015 Took on debt financing $2M · SEC Form D
Funding rounds
RoundDateAmountInvestorsSource
Venture round Nov 2024 $39.3M — SEC Form D
Venture round Aug 2022 $46.9M — SEC Form D
Venture round Nov 2020 $5.7M — SEC Form D
Debt Financing Jun 2019 $775k — SEC Form D
Debt Financing Nov 2018 $300k — SEC Form D
Debt Financing May 2015 $2M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Iontra Inc SEC Form D
Founders and leadersfrom filings, registers and the company's site
Jeffery GranatoExecutive Officer, DirectorSEC Form D
Jeff GranatoExecutive Officer, DirectorSEC Form D
Daniel KonopkaExecutive Officer, DirectorSEC Form D
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Visa sponsorship

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H-1B filings in 12 months
0
Open roles in United States
In the register as Iontra Inc., Centennial, CO
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US Department of Labor · latest filing Nov 25, 2024 · Visa details by country

Financials

Est. Annual Revenue
$3M
2019
Total raised
$95M
Latest round
Venture - Series Unknown
Funding rounds
6
Funding rounds
Round Announced Amount
Venture - Series Unknown 2024 $39.3M Details
Venture - Series Unknown 2022 $46.9M Details
Venture - Series Unknown 2020 $5.7M Details
Debt Financing 2019 $775k Details
Debt Financing 2018 $300k Details
Debt Financing 2015 $2M Details

People

Jeffery Granato
Executive Officer, Director
Jeff Granato
Executive Officer, Director
Daniel Konopka
Executive Officer, Director
Jonathan Gurnsey
Director
David Schroeder
Director
Ladd Fritz
Director
Jason Seedig
Director
Marc Gottschalk
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

News

Blog 8 months ago
Understanding Charge Profiles: CC/CV, Step, Pulse, Hybrid, and Adaptive
Charging a lithium-ion battery is a balancing act between speed, safety, cost, and long-term degradation. For OEMs building consumer electronics, power tools, e-mobility platforms, robotics, drones, and enterprise devices, the charging profile is one of t
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Report
Blog 9 months ago
Analysis of Battery Lifecycle Challenges for Consumer Electronics OEMs
Analysis of Battery Lifecycle Challenges for Consumer Electronics OEMs Executive Summary Consumer electronics Original Equipment Manufacturers (OEMs) operate under intense pressure, defined by accelerated product cycles, stringent bill of materials (BOM)
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Report
Blog 9 months ago
4 Surprising Battles That Decide Your Device's Battery Life
4 Surprising Battles That Decide Your Device's Battery Life Every new flagship device arrives with a banner promise: "all-day battery" and impossibly fast charging. But behind these marketing claims lies a brutal, hidden war against physics and logistics.
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Report
Blog 9 months ago
The Battery Balancing Act: Why Fast Charging is Hard
The Battery Balancing Act: Why Fast Charging is Hard (And How We're Making It Smarter) In product engineering, we're constantly caught in a crossfire between consumer desire and battery physics. Users demand impossibly thin devices with all-day power that
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Blog 9 months ago
A Smartphone Battery's Journey from Concept to Customer
The Hidden Challenge Inside Your Device The battery is one of the most critical components inside any consumer electronic device, from your phone to your wireless earbuds. Product companies are under immense pressure to release new devices faster than eve
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Report
Blog 9 months ago
Strategic Memo: Optimizing the Battery Development Lifecycle
The Strategic Imperative in Battery Development In today's consumer electronics market, product teams are under immense and conflicting pressures. Faster SKU cycles, tighter Bill of Materials (BOM), and industrial designs demanding smaller form factors ar
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Report
Blog 11 months ago
Battery Safety Explained: The Modern Global Guide
Battery technology quietly powers nearly every modern convenience, from smartphones and laptops to electric vehicles, grid-scale energy storage, medical devices, and industrial systems. As global electrification accelerates-from personal electronics to re
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Report
Blog 1 year ago
The State of Charging: Power Tools
The Future of Power Tool Battery Charging: Faster, Smarter, and Safer Cordless power tools have become essential for modern construction, repair, and DIY projects - and at the heart of their performance lies the battery. How long a tool runs, how fast it
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Blog 1 year ago
Iontra Technology to Eliminate 100M Tons of CO₂ emissions
Iontra Technology to Eliminate 100M Tons of CO₂ emissions - Without Modifying a Single Battery CENTENNIAL, Colo., June 25, 2025 /PRNewswire/ - Iontra Inc., a leader in advanced battery charging technology, today announced the release of a third-party gree
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Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Centennial United States
HQ
50-200 est. staff