Strong horsepower car charger: how to choose and buy a good car charger

1. Must be a good appearance, there can be no burr, insert must be convenient and smooth. The contact of the metal to thick, uniform and elastic. The charger plug have difficulty will be very easy to damage.

2. Shell comply with Rohs environmental protection standard, hard, flame retardant. The charger will be fever, if you don't conform to the Rohs standard plastic shell, there will be a gas. Plastic in the gas is very severe. Not hard, flame retardant plastic, the charger will be hot baked soft and even fire.

3. Some of the charger has a "light". Many people like to buy the charger with pilot light indication. Light is usually appear in the first three. And very confusing part of dismantling the charger. Because the "light" is a current detection of single-chip microcomputer control. Many people saw the few cents worth of single chip microcomputer is high, I depend, chips, senior... The choose and buy charger with pilot light indication to a little more careful in general.

Really good car charger, there is a large capacitance, a copper coil, at least one frequency conversion chip. Blue fine-tuning potentiometer is likely to be replaced by a resistor.