Put Out Lithium-Ion Battery Fires and Keep Them Out

Thermal Stop® and Thermal Shield® are patented, PFAS-free agents that stop lithium-ion thermal runaway and keep the pack safe for transport.

Put Thermal Stop® to the Test

We'll bring a live lithium-ion battery fire to your training ground and let your crew judge the result for themselves.

Schedule a Live Fire Demo

1026 B Thumbnail — Thermal Stop® ST-100 stopping thermal runaway, condensed version. Watch the full unedited test →

Thermal stop container group — Thermal Stop® ST-100 in tote, barrel and 5-gallon bucket

The Only Agents That Address All Four Elements of a Lithium-Ion Fire

A lithium-ion battery fire has every element of the fire tetrahedron: heat, oxygen, fuel, and a chemical chain reaction. Thermal runaway is a self-reinforcing reaction inside the cell that produces its own heat, oxygen, and flammable, toxic gases, so removing heat, oxygen, or fuel alone will not put it out.

Thermal Stop® ST-100 and Thermal Shield® are the only products on the market that deal with all four.

Safer for responders and the environment

Patented, PFAS-free, and bio-based
Non-toxic, non-corrosive, and biodegradable
Independently certified to NFPA 18
Every ingredient on the EPA's Safer Chemical Ingredients List

Extinguish and Stabilize

Formulated for firefighters by firefighters. Thermal Stop® puts out the fire, Thermal Shield® keeps it out.

Extinguish the Fire

Thermal Stop ST-100 Wetting Agent

A patented wetting agent that extinguishes lithium-ion battery fires and stops thermal runaway in seconds or minutes, with minimal water. It cools burning cells in controlled stages to prevent thermal shock, and penetrates ruptured cells to slow the reactions driving thermal runaway. Once it's out, there is little risk of reignition.

Fully extinguished a charged EV sedan in 3:31, with under 200 gallons of water
Also effective on Class A, B, D, and K fires
Encapsulates toxins and heavy metals at the scene
Applied with an inline eductor, foam proportioner, or automated foam injection system

Stabilize the Battery

Thermal Shield Protective Gel

A gel applied to the battery after extinguishment, with the same endothermic capacity as Thermal Stop®. It provides lasting protection against further thermal runaway while the battery is transported and stored.

Lasting protection during transport and storage
Applied with a fire extinguisher and smooth-bore nozzle
Will not impede battery recycling

Schedule a fire demonstration at your facility

We'll bring a lithium-ion battery fire to your training ground so your crew can judge the result for themselves.

Video Footage

Real lithium-ion battery fires, put out with Thermal Stop® ST-100.

From EV crashes and e-bike fires to battery test labs and automated suppression systems, Thermal Stop® and Thermal Shield® go wherever lithium-ion batteries are a fire risk.

Fire Departments

EV crashes, e-bike fires, and residential battery incidents. Extinguish with ST-100, then apply Thermal Shield® before transport.

Automotive & EV

Assembly lines, test labs, and service bays. Thermal Stop® fully extinguished a charged EV sedan in 3:31 with under 200 gallons of water.

Micromobility

E-bike and scooter fleets, charging rooms, and retail storage. Staged cooling protects neighboring cells from new thermal runaway events.

System Integrators

Thermal Stop® can be applied through automated foam injection systems, inline eductors, or foam proportioners, so it works with the foam equipment you already use.

Request a Demo

Bring a live fire demonstration to your facility

We'll come to you with a live lithium-ion battery fire and put it out with Thermal Stop® ST-100 in front of your crew. Tell us about your team and we'll follow up to set a date.

Prefer to talk? Call us at 262-372-2165.

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