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When replacing the batteries in the screwdriver, it is necessary to clearly understand what exactly is meant. Let us explain, the word battery in this case can denote as the battery pack inserted into the screwdriver, and its elements, more precisely banks.
Many of us are wondering this question when a faithful assistant screwdriver ceases to regularly twist screws and other fasteners. In this case, buy a battery for the screwdriver is the easiest way, but not always the most correct.
Today we will talk about the features of the repair of the battery screwdriver. We will focus on the connecting plates and spot welding cans battery. As you know, these are mainly Nickel-plated plates of different thickness. Pure Nickel is rarely used. This saves the cost of the battery as a whole, but sometimes significantly affects the durability of the battery itself. All the flaws of the manufacturer, as a rule, are eliminated in the course of repair battery screwdriver. A conscientious repairman will use only quality materials.
This is one of the most difficult types of battery repair, which can end up with nothing. Lithium batteries require special treatment, as their charging program is different from other types of batteries. In short, it is powerfully described in two stages. The first is the supply of DC and voltage to the battery input. As for the current, it is calculated depending on the properties of the battery, but the lower the current, the greater the capacity can be poured into the battery. The voltage in the first stage is constant and equal to the maximum for this type of battery and depends on the number of elements connected in series. After the voltage reaches the maximum value at the battery contacts, the charger will start to shunt each lithium element to the corresponding resistor. Thus, the so-called balancing of each battery Bank and its overcharging is not allowed.