The R&D partner for ambitious, innovative businesses.
We design, test, and manufacture custom power electronics and embedded systems in Thessaloniki. Since 1985.
-
Built for Industrial automation
Embedded control systems
Custom hardware, firmware, and software
-
Built for E-mobility
Power conversion systems
Chargers and converters, 100 W to 60 kW
-
Built for Hospitals
Electronics for hospital equipment
Use case: medical gas monitoring and control
-
Built for Energy storage
Battery management systems
Up to 800 V DC, balanced cell by cell
-
Built for Grid infrastructure
Test and measurement systems
Ageing to 3,000 A, built to EN 50483-5
-
Built for Agriculture
Electronics for farm equipment
Use case: dairy equipment controllers
Clients and partners
How we work
Design house and manufacturer.
From specification to series production.
We develop the hardware, firmware, and software, build and validate prototypes in our own test center, design the production jigs and test fixtures, and manufacture the product.
Our client partnerships span decades, with R&D teams that need a partner who can take a product all the way to production.
- Power electronics
- Embedded systems
- Industrial automation
Applications
From battery labs
to hospital wards.
elpra’s custom electronics work behind energy storage, e-mobility, renewables, fuel cells, grids, factories, laboratories, hospitals, and farms.
Energy Storage & Batteries Battery management for a wide range of chemistries, up to 800 V DC. Explore → 
Battery Test & Measurement Instruments we build ourselves: cranking testers to 2,000 A, in-depth performance analyzers to 60 V / 125 A. Explore → 
E‑Mobility Chargers and power electronics for electric vehicles and fleets. Explore → 
Solar & Wind Converters and inverters from source to grid — buck, boost, hybrid. Explore → 
Hydrogen Fuel Cells Fuel-cell testers for single or multiple cells, and a partner in the Solar2HyP hydrogen research project. Explore → 
Industrial Automation Sensors, actuators and smart control logic around your production goals. Explore → 
Grid Infrastructure Quality analyzers and 3,000 A ageing systems for transmission hardware. Explore → 
Critical Power & Backup Changeover panels and inverter/chargers that keep essential equipment running. Explore → 
Embedded & Instruments Custom hardware, firmware, and software for precise measurement and secure communication. Explore → 
Medical & Agri‑Systems High-reliability electronics where availability is non-negotiable. Explore → Our products
Four product areas, each built to your specification.
Charge, Convert & Control
From 100 W to 60 kW, configured for your system.
DC-DC converters, inverters, chargers, changeover panels, and solid-state switches, built to your voltage, current, and power.
- DC-DC Converters
- Inverters
- Chargers
- Inverter / Chargers
- Power Source Changeover Panels
- Solid-State Power Switches
Battery Management, Testing & Monitoring
BMS to 800 V DC, cranking testers to 2,000 A.
Battery management systems, cranking testers and performance testers that capture performance, safety, and state-of-health in real conditions.
- Battery Management Systems
- Cranking Testers
- In-Depth Performance Testers
Precision Measurement & Standards Compliance
Ageing systems to 3,000 A, built to EN 50483-5.
Artificial-ageing systems, grid-quality analyzers and fuel-cell testers built for laboratories and standards-compliance work.
- Artificial Ageing Systems
- Grid Quality Analyzers & Loggers
- Fuel Cell Testers
Embedded Systems
Over 2,000 hospital units installed every year.
Tailored embedded hardware, firmware, and software for medical, industrial, and agricultural systems, from NFC to long-range and ultra-low-power communication, and precise measurement.
- Hospital systems
- Dairy equipment
- NFC to long-range comms
- Precise measurement
Embedded systems in the field
Safety-critical embedded systems, shipped by the thousand.
Power conversion
800 V in.400 V out.60 kW through.
Custom DC-DC converter platforms engineered for high power density, thermal stability and efficiency — built around your voltage, current and power envelope.
Explore Charge, Convert & ControlCase studies
What we built for our customers
-
Grid infrastructure
Test equipment built for a certified grid laboratory
PPC Inspectra
Specialised test systems won in international bids over many years, among them an artificial ageing system for high‑power grid cables.
Read the case study -
Off-grid power
Uninterrupted power for a monastery with no grid
Simonopetra Monastery
A DC UPS for Mount Athos: batteries feed the monastery through an inverter, and every energy source only has to charge them.
Read the case study -
Battery testing
A 2,000 A cranking tester for starter batteries
Sunlight
A test cabinet that loads a battery with up to 2,000 A for 30 seconds, or with a lower current for longer, and records how its voltage holds.
Read the case study
Why elpra
End-to-end engineering.From idea to mass production.
Design, develop, test, certify, manufacture
Hardware, firmware, and software developed under one roof for system-level optimization.
Your product scales — same team, same quality
From one prototype to large-scale, repeatable manufacturing. More than 80,000 systems shipped, including over 2,000 hospital units a year.
Validated in-house
Prototypes are validated in our own test center under real-world conditions, before anything goes to production.
From concept to certified, shipping product
Functional, safety, and regulatory testing before release, including EMC pre-compliance testing up to 1 GHz and product qualification.
Certified. Recognized. Connected.
Certifications & registrations
-
ISO 9001:2015 Quality Management System -
IQ-Cert -
D-U-N-S® Registered Dun & Bradstreet Verified
Memberships
-
AHK Greece German-Hellenic Chamber -
HETiA Hellenic Emerging Technologies Industry Association -
SETPE Technology & IT Enterprises
Work with us
Let’s engineer your next solution.
Send us your specification, or what you have of it. An engineer replies with questions or a time for a call, and the first consultation is free.