The " PicoScope Advanced Automotive Diagnostics Kit " enables testing of ignition, injectors and fuel pumps, starter and charging circuits, batteries, alternators, starter motors, and timer relays.
12.
A good battery charger is also important it doesn't have to be an expensive brand-name one, but it should be ?V-controlled ( " intelligent " ) and should have independent charging circuits for each cell.
13.
:This datasheet identifies the four terminals of a " standard " Li-ion battery : GND, B +, B-, and T . T is a termistor connector, allowing the charge circuit to monitor the battery temperature.
14.
:The likely reason for the disparity ( twice the voltage but not half the time ) is likely to be to do with the need to limit battery overheating and perhaps also due to inefficiencies through the charging circuit which may worsen as the voltage gets bigger.
15.
They aren't really designed for routine use-they are a " get you out of trouble " thing-but if your battery needs recharging a lot-there is something wrong with either the battery or the charging circuit / alternator in the car.
16.
If the example circuit from before is used with a pre-charge circuit which limits the " dV " / " dT " to less than 600 volts per second, then the inrush current will be reduced from 670 amperes to 7 amperes.
17.
The functional requirement of the high voltage pre-charge circuit is to minimize the peak current out from the power source by slowing down the " dV " / " dT " of the input power voltage such that a new pre-charge mode is created.
18.
Some people remove their laptop battery when running on AC but I never bothered to do that since my laptop isn't hot enough to significantly heat the battery above room temperature ( and yes, you won't damage the battery if you leave it charging-the charging circuit is smart enough to stop when it's full ).
19.
During charging, an external electrical power source ( the charging circuit ) applies an over-voltage ( a higher voltage than the battery produces, of the same polarity ), forcing a charging current to flow "'within the battery "'from the positive to the negative electrode, i . e . in the reverse direction of a discharge current under normal conditions.
20.
Equipment levels were high and set new standards for French cars, the 25 including among other features, an express-up and down feature on the driver's power window, voice alerts ( covering items such as improperly shut doors / bonnet / boot oil pressure, engine temperature / charging circuit and blown bulbs ), and one of the world's first remote stereo controls, mounted to the right of the steering column ( controlling volume + /-, station search, station select ( jog wheel ) in radio mode & Volume + /-, mute and track advance ( if supported ) ).
