Cost-effective and green energy for your IoT devices

LAYER® is the answer
to your needs

Free yourself from considerable battery costs!

Say goodbye to frequent battery replacements.

Reduce the form factor of your IoT device by eliminating batteries.

Become a company that truly helps the planet by choosing a sustainable solution.

Why LAYER® is the best energy
harvesting option for your solution

Thin, Flexible, Lightweight,
and Tailor-made

LAYER® adapts to the energy needs of your devices and various form factors, providing unparalleled customization options.

Compatible with various advanced communication protocols.

LAYER® features

Working Temperature

-30°C to 60°C

Freedom of design



0.30 mm

Light weight

0.04 g/cm²


To protect from O₂ and H₂O

Organic solution

From carbon based molecules and polymers


It collects photons
from front and back

Low cost

1.2 € per unit for MOQ > 100 Ku

Long-term stability

~ 10 years (indoor condition)

Green solution

No toxic materials
No toxic waste
No halogenated solvents
High recyclable rate

Is LAYER® adaptable to your environment?

LAYER® is designed to generate energy in a broad spectrum of indoor settings, regardless of whether they are lit by natural or artificial light sources. Our solution excels in interior spaces with light levels ranging from 5 to 15000 lux.

Reliable performance in
Low Light conditions

Trust LAYER® to deliver energy even in challenging low-light conditions, ensuring optimal operation at all times for a wide range of indoor applications.



Integrating LAYER® in your devices

Up to 80% lower
maintenance costs

LAYER® significantly reduces the maintenance and battery replacement costs of your solution.

Once installed, you don’t have to worry about your device for up to 10 years. We recently issued a study that compares battery-powered and OPV-powered solutions for IoT sensors, providing insights into the total cost implications of each solution.

Want to know how to significantly reduce costs?

60% less
environmental impact
with LAYER®

LAYER® frees you from traditional power sources, offering an eco-friendly alternative.

LAYER® harvests ambient and artificial light to power IoT devices, significantly minimizing environmental impact compared to conventional batteries.

We use organic conductive inks with carbon-based materials: no toxic materials, no heavy metals, no rare earths. The carbon payback period is reduced to just a few months.

Want to learn more about LAYER® CO2 emission ?

Defining the way low-power devices are powered

LAYER® integrates easily into a variety of sensors.

Remote control

Infrared camera

Motion sensor

Environment sensing board

Test your concept with a Demokit
or an Evaluation kit


Efficiently test indoor low-power wireless applications with our Demokit, ideal for offices and homes, featuring a photovoltaic module generating up to 3V, 210µA, 609µW under 1000 lux.
Buy now for 59€

Evaluation Kit

Explore our evaluation kit with organic photovoltaic modules, including Demokit 6 and e-peas board 2AAEM10941CDR1, for a direct experience of LAYER® technology.
Buy now for 99€

Still have a question ?

If you have any further questions or need assistance,
please don’t hesitate to contact us.

Calculate the Total Cost of Ownership (TCO)

Please fill in this form to help us calculate the Total Cost of Ownership of your solution with battery-powered sensors versus battery-free sensors based on Dracula’s OPV energy harvesting module called LAYER®

Contact details

Please provide your contact details.

By continuing, you agree to our terms of service, and allow us to use your data for commercial use.

Location & Sensor

Please provide information about your sensors and their locations.


Tell us more about the batteries used inside your product as well as the planned lifecycle of your solution.

Labor costs and others assumptions

Please enter the estimated labor costs corresponding to your solution’s maintenance. This should also include battery replacement costs.

These values are assumptions based on standard parameters and cannot be modified here. For a comprehensive analysis using all fields, please contact us to tailor the analysis more closely to your specific needs.

Total cost of ownership for

This numbers were calculated for 99 office(s) with a 11 year(s) period.

Without LAYER®

TCO for Battery-based solution (Classic)

624 687,50 €

One-off Investment

235 625,00 €

OPEX for total period

235 625,00 €


TCO for Battery-less solution (OPV)

378 437,50 € (624 687,50 €)

One-off Investment

235 625,00 €

OPEX for total period

235 625,00 €

39,4% lower costs (TCO)

Want to know more?

You want a more detailed TCO analysis tailored to your product, please click on the button below to reach out to us.

Significantly Reduce the Total Cost of Ownership of your IoT Solution with LAYER®.

Battery-free, cost-effective.

Download our White Paper “TCO Comparison of Battery vs. OPV Powered IoT Sensors” and delve into the key differentiators between battery-powered and OPV-powered solutions for IoT sensors.