Wandering through the jungle of fast charging protocols: Why “powerful” is not always “fast”. Once upon a time there were two wires and the most difficult part of charging was not to confuse plus with minus. Charging batteries today has nothing to do with that – along with plus and […]
Radio Electronics
5 posts
FNIRSI LCR-ST2 Master Class: A Practical Guide to Precise Measurements Unlock the full potential of the FNIRSI LCR-ST2 Smart Tweezers with my practical tips and experience. After going through the ins and outs of DeepVNA together, FTX-1F and FTDX10, it’s time to pay attention to a tool that has quickly […]
Car Leakage Current Typical values for leakage current (idle consumption) from a modern car battery are between 20 and 50 milliamperes (mA). Normal and maximum permissible values Ideal value: Anything below 50 mA is considered completely normal for most gasoline and diesel cars. This energy is needed to maintain the […]
Internal resistance of the car battery Internal resistance (Ri) is one of the most important indicators of the “health” of the battery. FNIRSI HRM-10 is one of the measuring devices that can give a very good idea of the condition of a battery. In short: the lower the internal resistance, […]
The secret to long life: How to tell whether the battery is excellent, good or damaged by measuring internal resistance Internal resistance is one of the best indicators of the condition of a battery. It is like blood pressure for a person – it gives a lot of information about […]