January 2010
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FAQ: Using LiFePO4 batteries as starting batteries...
Q: How will the LiFePO4 battery be affected by the charging system of the car?
A: The 12V LiFePO4 battery is not affected by the charging system at all. Majority of the cars’ charging systems charge up to 14V or 14.4V. This represents the charging level of 70% to 75% for the LFP batteries.
Q: Will the car charging system overcharge the LFP battery and shorten its life?
A: No. The overcharge...
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Real Driving Distances for VW CityStromer →
The real driving distances of VW CityStromer using the 80Ah LFP batteries and the 240Ah LFP battery pack
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FAQ: 12V LP battery balancing and charging
Question: Can I charge the 12V LFP battery using a conventional auto-moto charger 12V?
Answer: With most of “cheap” car battery chargers you **cannot** charge the 12V LFP battery. Cheap chargers often end charging at 14V. As a result the LFP batteries are not charged sufficiently. In order to charge to full you need to reach above 16V.
If you have an “advanced”...
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FAQ: Simple balancing using parallel connection
Question: Can I balance the cells by simply connecting all the batteries in parallel? Answer: You can do this, but it will not work effectively. Actually you would need a long, long time (days or weeks) to balance the batteries this way. Effectively said: you can parallel the batteries if you want them all to discharge to the same voltage level over a period of time. However you cannot think...
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