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A battery at your company is not just a backup for outages. It buys electricity when it is cheap, shaves demand peaks and cuts the charges you pay for reserved capacity. In model calculations the investment pays for itself in under five years.
BENEFITS OF BATTERY STORAGE
The battery covers sudden peaks in demand, so you need less reserved capacity. You save on fixed monthly charges and avoid penalties for exceeding your limit.
The system charges the battery when market electricity is cheap and discharges it during expensive hours. At negative prices it charges practically for free, fully automatically.
The battery keeps critical equipment running until the grid comes back. It protects you from the losses of interrupted production and spoiled processes.
WHAT A BATTERY CAN DO
A battery is not just backup for an outage. Most of the time it works actively with the price of electricity and your demand. Here are five jobs it can do at once.
During a sudden spike in demand the battery works alongside the grid and covers part of the load. The peak never reaches your reserved capacity.
The battery charges in low-price hours and supplies energy during expensive tariffs. The price difference is your saving.
When the market has a surplus and prices drop below zero, the system charges automatically. No manual intervention.
Surplus from the panels is not wasted at the wrong time and does not flow to the grid. It is stored and used when generation falls short.
If the grid fails, the battery instantly takes over powering critical equipment. Production carries on.
ACROSS THE DAY
The price of electricity changes every hour of the day. SminnAiBox tracks the spot market, weather forecasts and your own demand, and runs the battery so that you buy in the cheapest hours.
The battery charges on cheap grid electricity. The system plans 24 hours ahead from the price forecast.
The battery covers demand instead of the grid. Peaks burden neither your reserved capacity nor your budget.
If you have solar, the surplus goes into the battery instead of flowing out to the grid.
OUR SOLUTIONS
A battery cabinet needs its own inverter; the All-in-One has inverter and battery in a single unit, ready for outdoor installation. We supply them with cells from Sunwoda, a top 10 global manufacturer for which we are the authorised distributor in Slovakia.
Battery storage for business and industry
A compact storage unit for operations that want to start with a single device and no building work. As your consumption grows you connect further cabinets in parallel, up to six units in one array.
Capacity:
Available finishes:
Battery storage for business and industry
High-capacity storage for operations with larger consumption or a longer backup time. Liquid cooling keeps output stable even in continuous operation and the cabinet has its own fire protection system.
Capacity:
Available finishes:
Battery storage for business and industry
Battery and inverter in a single cabinet that you install outdoors with no further building work. You control it from the touchscreen on the cabinet or from the cloud platform, and 125 kW of output covers even larger demand peaks.
Output / Capacity:
Available finishes:
Battery storage for business and industry
The same output class as the previous All-in-One model, with higher capacity thanks to liquid cooling. The choice for operations that need a longer backup time or more room to work with spot prices.
Output / Capacity:
Available finishes:
CUSTOM BESS
For operations with high consumption we connect cabinets in parallel into one large array. Solutions from hundreds of kilowatt-hours up to several megawatt-hours are designed around your load profile, your spot trading and your existing solar. Systems of 430 and 860 kWh are already running in our projects, both combined with solar and both paying back in under 4 years.
RETURN ON INVESTMENT
In real projects with solar, battery storage pays back in roughly 3.5 to 4.9 years, depending on capacity and load profile. Both smaller arrays and enterprise systems above 400 kWh return in a similar horizon; what makes the difference is how intensively you can work with spot prices. Your numbers will be different, which is why we calculate every project individually from your own metering data. You get the calculation before the decision, not after it.
I want a calculation for my company
Payback
roughly 3 to 5 years
INTELLIGENT CONTROL
A battery without control is just a box of cells. SminnAiBox brings together energy market data, weather forecasts and your consumption. It builds the operating plan 24 hours ahead and updates it every 15 minutes against reality. It runs on our servers, so you do not depend on third parties. You watch the result in the portal; the system works on its own.
More about intelligent control
CARE AND MONITORING
We monitor the system continuously and evaluate the data as it comes in, not only once something stops working. That lets us step in remotely before an outage happens.
Every 12 months in a normal environment: visual inspection of the unit, check of thermal conditions, cleaning dust from coolers and battery module surfaces, inspection and retightening of connections on power components.
Every 5 years: fan replacement.
Why SMINN
One system. One company. No excuses. Solar, battery, charger and the software that runs it all. We handle design, installation and service — and we are still here years after the system goes live.
We handle the design, installation and servicing from A to Z. No need to coordinate several suppliers.
We develop our own control system, SminnAiBox. It links the panels, battery and charger into a single whole.
More than 500 installations for businesses and homes. We know what works and what does not.
We only work with proven brands such as LONGi, GoodWe and Webasto.
We do not stop at installation. We look after your system for 10, 15, 20 years.
We will help you get a subsidy or arrange financing. We handle the whole process for you.
PROCESS A TO Z
We call or come to you. We understand your consumption, goals and financing options.
We map your consumption, tariff and savings potential. The result is concrete numbers, not estimates.
We propose the optimal solution. Solar, batteries, chargers. With output and payback period.
We prepare all documentation, arrange inspections and communicate with the DSO. You don't have to do anything.
Our team installs the entire system: panels, inverters, batteries and charging infrastructure.
We configure SminnHub, connect the system to your operations and set up monitoring.
We hand over the system with complete documentation. We teach you how to monitor production and consumption.
We monitor performance, respond to faults and optimise even years after installation.
OUR PROJECTS
More than 500 completed projects. Here are some of them.
We connected a 7×215 kWh battery storage system rated at 500 kW to an existing 900 kWp solar plant. The system controls charging and discharging according to current spot electricity prices.
We connected a 5×215 kWh battery storage system rated at 500 kW to an existing 300 kWp solar plant. Operation is optimised against spot electricity prices.
We connected a 2×215 kWh battery storage system rated at 200 kW to the solar plant on the company premises. The system directs energy flow according to current spot prices.
We'll help you secure a subsidy for your business, municipality or town. We manage the entire process from application to installation.
The questions companies most often work through before buying a battery. The answers in one place.
All questionsYes. A battery earns on its own: it buys electricity in cheap hours, shaves peaks and lowers reserved capacity. Solar shortens the payback further.
Estimate. Choosing a solution. Installation. Help with financing.
Fill in the form and our expert will get back to you.
Martin Rusnák
Head of Sales
