Charging accessories are a market where almost everything looks the same and almost nothing is equally good. The same factory supplies a dozen brands, and what ends up on the packaging says little about what is inside. That is exactly what bothered us – and that is how GreenHec came about.
A charger that gives up after a year wasn't good value. It was just cheap.
How we create a product
Three steps, and the third is the one where most products fail.
Select
We don't develop from scratch. We look for products whose technology is already solid, and weed out anything that is merely cheap.
Change
Together with the manufacturer, we change what bothers us: material thickness, plug shape, labelling, packaging, what's in the box.
Test & produce
We use every product ourselves for weeks in everyday life – at our own desks, in our own cars. We also look for certifications, check the manufacturer's documentation and commission tests ourselves where needed. Only then does the order go to the manufacturer.
Delivery and returns are handled by our warehouse in Lower Saxony, not by a middleman. Order by 10 am Mon–Fri and we dispatch the same working day.
Where our products come from
We say this openly, because the alternative would be a label that isn't true: our products are not manufactured in Germany. They are selected, specified and tested here – they are built by partner factories in Asia that have mastered this technology for years.
- Developed in North Rhine-Westphaliawe handle selection, specification and testing ourselves
- Manufactured in Asiaby partner factories that know the technology
- Dispatched from Lower Saxonywarehouse in Lower Saxony, our own returns handling
How it became a brand
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2022
Founded in North Rhine-Westphalia
GroosHandel starts out as a classic online retailer selling generic products – and quickly learns where such goods fall short: material thickness, labelling, workmanship.
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2024
GreenHec is founded
Our own product and quality standards, so that our items stand out from standard trade goods: we select, make changes together with the manufacturer and test them ourselves.
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2026
Our own product lines
The first product lines developed entirely from scratch – and with them the final break from pure retail.
What you can check for yourself
As of September 2026, across all sales channels.
Also for teams, events and promotional gifts
From 25 units we deliver direct, with a volume discount and, if you like, with your logo on the product and packaging. For business customers on invoice, with 60-day payment terms.
- Up to 40% volume discounttiered from 25 units
- Your logoon the product, packaging or insert
- 60-day payment termspurchase on invoice for business customers