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Safely charging – e-bike batteries
Safety tips for charging lithium batteries
Spring is a great time for e-bikes. The e-bike and pedelec trend shows no sign of stopping. According to the Austrian sporting goods industry, almost every second bicycle sold is now an e-bike. But we regularly also see fires resulting from the charging of bicycles with electric motors.
The majority of e-bikes use lithium batteries due to their relatively low weight and high energy density. However, these batteries are highly sensitive to heat and mechanical damage. Even extremely small, invisible tears in the battery membranes can cause short-circuits during charging that can result in fires. But careful handling and proper disposal can largely eliminate the risk of uncontrolled reactions.
10 tips for safe and proper charging of e-bikes:
- Only use the original charger to charge an e-bike.
- Only charge batteries while they are dry and at room temperature.
- Only ever charge batteries in a location that is safe from fire, such as on a stone floor.
- The charger and, in particular, the battery itself should never be placed in the vicinity of flammable materials, and the room should be equipped with a smoke detector.
- Do not leave e-bikes to charge overnight unattended.
- Particular caution is advised when charging lithium batteries that have not been used for some time. Lithium batteries can sustain permanent damage from over-discharging.
- When you transport the e-bike on the luggage rack of your car, remove the battery first.
- Do not operate batteries that have sustained falls or damage. Dispose of them properly. Mechanical damage can cause fires.
- Do not disassemble or modify lithium batteries.
- Tape over the contact terminal or battery poles of the lithium batteries before disposing of them.
Source: Institut für Schadenverhütung und Schadenforschung der öffentlichen Versicherer (IFS)
The Watt family explains in a video what to remember when using devices with lithium batteries. https://www.youtube.com/watch?v=C5Bd2PrVOmU&feature=youtu.be