The 40G lithium-ion battery fire suppression is a super-thin product suitable for photovoltaic inverters.
Because photovoltaic inverters are compact, there is limited space available inside. The vast majority of the space is taken up by electrical components such as circuit boards and coils of copper wire, leaving little space left over.
And if we want to protect the PV inverter, we nee
d to choose a small, thin fire extinguishing device. This way, the extinguishing device will fit well on the inner wall of the PV inverter and protect it perfectly.
Our 40G lithium-ion battery fire suppression units just meet the requirements, because this product has the advantages of:
- Compact in size, its thickness is only 10mm.
- It has 40 grams of clean aerosol compound inside, which can cover an enclosure space of 0.4 cubic meters, which is enough to suppress fire in the PV inverters.
- This product is self-starting; you can install it directly in the distribution cabinet without an external power supply.
- The product is easy to install; the back can come with 3M double-sided adhesive, and the side can be fixed with stainless steel screws.
- The extinguishing agent used is clean and has no corrosive effect on the electronic components of the PV inverter, and does not damage the precision components.
By comparing the characteristics of the PV inverter’s internal space limitations with the highly concentrated nature of an aerosol-based fire extinguisher, it becomes clear that this fire extinguisher is ideally suited for protecting your PV inverter.
If you have photovoltaic inverters that need fire protection, or if you are in the photovoltaic solar industry, the new energy industry, the energy storage industry, etc., please contact us for quality fire protection solutions.

Technical Parameters of 40G Lithium-ion Battery Fire Suppression Device
The product technical parameters are as follows:
- Product Name: Fire Extinguisher.
- Model: QRR0.04G/S/SA-F.
- Fire-fighting Agent: Condensed aerosol.
- Capacity: 40 grams.
- Protective Area: 0.4 cubic meters.
- Releasing Time: Less than 8 Seconds.
- Activation Current: ≥3 volts.
- Activation Temperature: 175℃±10℃.
- Product Size: Length 135mm, Width 95mm, and Thickness 10mm.
- Application field: Various types of inverters in the Photovoltaic industry, new energy industry, energy storage industry, etc.
- Pressure Switch or Signal Feedback Function: N/O or N/C optional.
- Cylinder Temperature During Releasing: ≤200℃.
- The Product Life-time: 10 to 15 Years.
- Ambinet Temperature: -50℃ to +95℃.
- Relative Humidity: 95% non-condensing.
- Executive Standard: GB499.1-2010 In China, UL2775 in USA, EN15276 in Europe.
There are more models in this series. Please click Lithium Battery Series for more.

This product is very popular in the photovoltaic sector and in home energy storage because of the following features:
- It is on the wider and thinner side, just right for mounting in a PV inverter or in a home energy storage inverter.
- The product contains an internal cooling device, and the sprayed extinguishing agent will not harm the components of the inverter.
- The extinguishing agent is an aerosol with good extinguishing efficiency. 40g of extinguishing agent can cover an enclosed space of 0.4m³, so it is sufficient to cover the internal space of all types of energy storage inverters.
- The product is easy to install. You can use 3M adhesive to stick it on the inner wall of the inverter, or you can use 4 small screws to mount it on the inside of the inverter.
- Two(2) types of activation, electric activation and thermal activation; among them, the function of hot activation can make the fire extinguisher have the function of automatic detection and automatic fire extinguishing.
- The product can optionally be equipped with a pressure feedback function, which can tell the alarm host or other monitoring equipment that the fire extinguisher is in the spraying state.
- Like the professional switchboard fire extinguisher, it can be installed in all types of switchboards according to specific requirements.
Of course, the most prominent role is ultra-thin, so if there are spaces with small gaps, you can consider installing this extinguisher.
This ultra-thin aerosol is designed for very narrow spaces and is only 10mm thick, much thinner than other similar aerosol ranges.
It is mainly used in the following areas:
- Photovoltaic inverter.
- Residential Energy Storage.
- Commercial and industrial energy storage.
- Energy Storage Battery Cabinets.
- Energy Storage Battery pack.
- Electric cabinet.
- Control panels.
Of course, depending on the specific needs, it can also be used for other aspects of firefighting requirements, let's say air-conditioning cabinets, refrigerators, and so on.
Anyway, we'd better decide how to design it according to the actual space size.
You are welcome to contact us anytime to give you the design and solution.