Guides to reliable energy, at home and wherever you are
How to choose the right power station, how long it keeps your appliances running, how to use solar panels correctly and what LiFePO4 batteries are all about.
02.11.2026 · 6 min read
How to choose a portable power station: Wh, W, LiFePO4, outputs and solar charging
The capacity in Wh tells you how long the power station lasts; the power in W tells you which appliances it can run. We show you step by step how to work out what you need and how to choose the right model.
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01.11.2026 · 5 min read
What can a 2,000 Wh or 3,840 Wh power station run? Runtime in hours for a fridge, boiler, router and TV
How many hours will a fridge, a boiler or a TV run on a 2,048 Wh or 3,840 Wh power station? We did the maths appliance by appliance, plus real-life scenarios with several appliances running at once.
31.10.2026 · 5 min read
Power cut at home: how to keep your fridge and boiler running without a generator
No noise, no petrol and no exhaust fumes: we show you how long you can keep your fridge, boiler and router running on a portable power station and how to connect it correctly.
30.10.2026 · 5 min read
Balcony energy storage system: how it works and what you need
The panels on your balcony generate power during the day, and the battery stores the energy for the evening. We explain the components, work through a production calculation and tell you what to check first.
29.10.2026 · 5 min read
Foldable solar panels: how to use them correctly (orientation, angle and how many W you need)
A 400 W foldable panel only delivers 400 W in ideal conditions. We show you how to orient it, what angle to set it at and how to work out how many watts you need to recharge your power station.
28.10.2026 · 5 min read
Power at the cabin, in the caravan and when camping: portable power station and solar panel
Lights, phones, a laptop and a cool box, far from any socket. We show you how to calculate your daily consumption and which power station and solar panel suit each type of trip.
27.10.2026 · 5 min read
LiFePO4 batteries: why battery chemistry matters and what cycle life means
LiFePO4 appears in the spec sheet of every VOLTBOX product with a battery. We explain what it means, how cycle life translates into years and what you can do to make the battery last as long as possible.