Promeir · Precision. Power. Promise.
power solutions for industrial, commercial and personal use
Keep essentials running through outages without the noise and fumes of a generator.
Pair with solar panels to replenish energy during the day, depending on available sun.
Use our calculator to estimate the capacity you need before you speak to us.
We confirm specifications and pricing in writing — never guesswork.
The COLA range
Promeir Energy · COLA
Small system, big comfort — essential electronics and lighting for your home or workspace.
Prices subject to change without prior notice.
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Everything in 1 kVA plus a refrigerator, desktop PCs and CCTV.
Prices subject to change without prior notice.
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For homes and small offices running multiple appliances.
Prices subject to change without prior notice.
Request quotePromeir Energy · COLA
Enhanced performance for higher demand — large homes, small offices and commercial use.
Prices subject to change without prior notice.
Request quoteSolar Calculator
Add your appliances, set your hours, and see estimated daily energy, runtime and the solar panel wattage to recharge — with clear assumptions you can adjust.
Open the calculatorWh
Watts × hours × quantity = daily energy. Divide by peak sun hours to estimate panel size.
Insights
6 min read
A practical, step-by-step method to estimate the battery capacity and solar input your home needs during grid outages.
5 min read
Noise, fuel, maintenance and usage patterns — an honest framework for comparing portable solar storage with a generator.
4 min read
What peak sun hours mean, why they vary by region and season, and how they affect the solar panel size you need.