The safe storage of lithium-ion batteries with a capacity of over 1000 kWh, which are used in Personal Electric Vehicles (PEV) such as eFoils and jetboards, is crucial to ensure safety and longevity of both the board and you!
How safe are lithium-ion batteries?
Since the day the first smartphones smoked on airplanes and electric cars caught fire, it is well understood that Lithium Ion technology is not 100% safe. We are surrounded by lithium-ion batteries everywhere in our lives, every day. Smartphones, cordless vacuums, headphones…the list is very long. While the number of fires is proportionally very low, they can still happen.
For this reason, we only promote premium electric surfboards using the highest quality accessories and components. The luxury manufacturers use the best cells and a sophisticated battery management system to ensure maximum safety. Jet board & eFoil batteries in particular contain a lot of energy (approx. 2 to 4 kWh) and may also come into contact with water.
Careful handling is therefore important. Never drop them! If this does happen, please contact the manufacturer’s support immediately.
Here are detailed steps and considerations you should follow to store your batteries safely.
1. Understanding lithium-ion batteries
First, you should understand the characteristics of lithium-ion batteries. They offer high energy density and are therefore ideal for use in portable electronic devices, including water toys. However, their performance comes with risks, such as a tendency to overheat or even catch fire if they are damaged or mishandled.
2. Basic storage conditions
Temperature control: Extreme temperatures, both heat and cold, can damage lithium-ion batteries. Store them in a cool, stable environment (ideally between 10 °C and 25 °C). Avoid storing the batteries near heat sources or in direct sunlight.
Dry environment: Moisture can lead to corrosion and internal damage. Store the batteries in a dry room to avoid moisture.
3. Special considerations for high capacities
Fire protection: Due to the high energy density, an effective fire protection system is essential. This may include automatic fire extinguishing systems, fire extinguishers and regular safety checks.
Spatial separation: Do not store large batteries too close together. Ensure sufficient distance between units to minimize the risk of thermal runaway.
Monitoring: Use technology to monitor the temperature and state of charge of the batteries. Sensors can help to detect and prevent problems at an early stage.
4. Maintenance and regular inspection
Visual inspection: Check regularly for signs of external damage such as cracks or bulges. Corrosion or leaks should also be addressed immediately.
State of charge: Do not store batteries in a fully discharged state. A medium state of charge (about 40-50%) is ideal for storage as it minimizes the stress on the cells.
Software updates: Keep the battery management system (BMS) up to date to benefit from the latest safety features and efficiency improvements.
5. Handling and transportation
Proper handling: Avoid dropping or violently bumping the batteries as this can cause internal damage. When installing and removing, make sure that the connections are clean and undamaged.
Transportation: If batteries need to be moved, use suitable containers and observe the applicable transportation regulations for lithium-ion batteries.
Conclusion
The storage of lithium-ion batteries, especially those with a high capacity for water toys, requires care and caution. By following the guidelines above, you can minimize the risk of accidents and maximize the life of your batteries. Remember that safety always comes first and don’t hesitate to consult professionals if you are unsure or need further information. With the right approach, you can ensure that your batteries are stored safely and are ready when you need them!
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