Q:What products with more button batteries?

In addition to the battery can be battery-powered, due to its small size, but also the development of high-volt battery - will be more than one button battery stack.

Q:How to connect the button battery led lamp beads?

First check the polarity of the LED pin: (LED it is a semiconductor diode device, so it has a one-way conductivity) to supply the LED voltage + pole connected to the LED + pole, the voltage - pole LED - pole.

Q:How is the button on the computer motherboard battery unplugged?

Can not be said to pull down, you look carefully, in the battery on the edge of a small piece of metal (white iron), hand pressure (in a buckle) the battery itself jumped out.

Q:I accidentally found a button on the motherboard battery, I would like to ask, that battery can be used for how long?

If the motherboard battery is genuine goods but use less than a few months there is no electricity, that is, the voltage from 3.2V down to 2V or even 0V, then it is likely that the motherboard circuit leakage or diode breakdown short circuit caused by such failures.

Q:Why is the button battery than ordinary battery damage?

First of all, our country for this area of recycling technology, there is no mature technology, if you have to deal with the need to buy foreign technology, then the cost is too high, much higher than the cost of environmental pollution.

Q:The motherboard on the battery (button battery) to take a few minutes and then put bios will be restored to the factory settings?

General motherboard BIOS discharge jumper, in accordance with the instructions on the operation or directly unplug the battery on the BIOS (2032 or 2025 model button battery), a few seconds and then on.

Q:Button batteries put together after the heat, about half an hour, after the separation can also be used?

Half an hour basically no available value. Choose from the inside of the battery is not short-circuit can also be used. Test voltage with a multimeter, 1.3V can be thrown away.

Q:Two 3v and a 3v button battery What is the difference?

With a 3V battery are used CR2032 or CR2025, the thickness is 3.2 mm or 2.5 mm, the voltage is 3V.

Q:How much is a button battery?

Sometimes sent a few millimeters that is not on the price according to the battery brand, if the watch, then about 3 or so.

Q:Button battery will not have long power?

If only in the validity period, the button battery is not no electricity