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FAQ

How to connect the button battery led lamp beads?
The series resistance can be calculated as follows: R = (supply voltage - Vt) / 20, where Vt is the tube pressure drop.
Button batteries put together after the heat, about half an hour, after the separation can also be used?
The battery has caused a short circuit, and basically no electricity, you can use the voltmeter regardless of battery voltage, high voltage or can be used, but the use of time is not long.
How much of a button battery will pollute the land?
Diameter of less than two centimeters of the 2032 type button batteries, when it becomes a waste, can pollute 600 tons of water.
What products with more button batteries?
CR2032 lithium manganese button cell: widely used in electronic dictionaries, cameras, remote control, blood glucose tester, body fat tester.
Motherboard button battery with ordinary battery can it?
Motherboard battery itself is the use of ordinary button batteries, usually 2032 and 2025, common, but the thickness of different.
What is the type of button battery inside the computer?
One is 2032, one is 2035. 2032 which is relatively thick, 2035 is relatively thin. In general, two batteries on any motherboard are common.
Why is the button battery than ordinary battery damage?
Mercury discarded in the natural battery will slowly overflow from the battery into the soil or water, and then through the crops into the human body, damage the human kidney.
How to install the battery scale battery, the battery is equipped with a button, how to take out?
Use a screwdriver, screw the screw out, open the battery cover, and then use a screwdriver to pull out the original button battery.