Reparación de batería de herramienta eléctrica

The biggest problem of power tool battery is the decay of capacity, the most direct way is to replace the battery cell, but we should pay attention to several issues, 1. power tool battery is generally a power type multiplier battery, can not be replaced by ordinary lithium batteries. 2. power tool current is large, spot welding must ensure that the welding in place, otherwise there will be a risk of fire.