Button battery classification
Usually small electronic, digital products, medical equipment, etc., to do the storage power supply with the button batteries need to be welded on the circuit board (PCBA), the battery cell is made of stainless steel nickel: steel with hardness.
Common disposable lithium battery is a lithium manganese battery (code C), the nominal voltage of 3 V. Another less common disposable lithium battery is the lithium-fluorinated carbon battery (code B), the nominal voltage of 3 V.
Alkaline battery (code L), nominal voltage 1.5 V. Silver oxide battery (code S), nominal voltage 1.55 V.
