This circuit is an alternative to expensive battery chargers, the trick to lower the cost is to buy a cheap battery charger and expand it with an automatic charge breaker circuit such as the one ...

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...

Here is a 12 volt lead acid automatic battery charger that shut off the charging process once the battery attains full charge. This prevents overcharging of the battery so that, the charger can be ...

Q: I am the proud owner of a restored 1969 GTO Pontiac GTO. This past summer I purchased a new battery from Sears. The salesman said for winter storage to remove one lead and leave it in the car. I ...

This micropower circuit provides shutdown, power-up, and low-battery lockout functions automatically, without the need for software or operator control (Fig. 1). Featuring 2.3-V hysteresis, the ...

The increasing dominance of lithium cells in the market place leave our trusty NiMH cells in a rough spot. Sure, you can still get a chargers for the AAs in your life, but it’s old tech and not ...