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LED fairy lights and pumpkins as Halloween decorations – using and disposing of batteries and rechargeable batteries safely.

10/30/2025

Halloween & batteries – safety with battery-powered decorative items

LED candles, fairy lights and other decorations create a spooky atmosphere on Halloween – but they often contain lithium batteries. Here's how to use…

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White smoke detectors, which must be disposed of properly.

10/30/2025

Disposing of old smoke detectors: How to do it correctly

Old smoke detectors are electronic waste – remove the batteries beforehand and dispose of them separately. Please note: special regulations apply to…

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09/25/2025

Lithium-sulphur batteries: structure and function

Lithium-sulphur batteries offer high energy density, lower costs and more environmentally friendly materials than lithium-ion batteries. Here's how…

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Several cordless screwdrivers are packed in a cardboard box for disposal.

09/25/2025

Disposing of cordless screwdrivers: How to do it correctly

Cordless screwdrivers and their batteries must not be disposed of in household waste. Here's how to dispose of them safely and in an environmentally…

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Black powerbank with cable: Up to 100 Wh or 27,000 mAh can be taken on the plane in hand luggage.

08/19/2025

Powerbanks on the plane: what's the maximum for hand luggage?

Lufthansa, Eurowings, TUIfly, Condor & Co usually adhere to the IATA rules. This means: up to 20 power banks with up to 100 Wh / 27,000 mAh.

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Black e-scooter in front of a beige wall. Many people wonder how and where to charge e-scooters.

08/12/2025

Charging e-scooters correctly: Where and how?

When the e-scooter needs to be plugged in: How to charge legally and safely. What is allowed on the train, at home, in restaurants or at work?

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Lithium-ion battery after a thermal runaway

07/07/2025

Thermal runaway in lithium-ion batteries

In the event of a thermal runaway, e-scooters, e-bikes, vapes, smartphones and other devices with batteries can emit jet flames or explode.

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An underground railway in Hamburg. You can't take e-scooters here, but you can on Hamburg buses, ferries and other trains.

07/01/2025

Can you take e-scooters on buses and trains? Fire hazard!

E-scooters may not be transported on many public transport networks. We provide an overview of what applies where in the underground, trams, etc.

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An employee rides his bike through an airport. He can't get on the plane with an e-bike.

06/03/2025

E-bikes on planes: Batteries pose a threat

Large batteries such as those used in electric bikes are not accepted on passenger aircraft. How to take your e-bike on holiday.

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