Replace the battery with the same specifications.
If the lithium-ion brushless electric hammer does not rotate, you must first determine whether the battery is dead or the charger cannot charge. After eliminating the cause of the battery, disassemble the lithium electric drill and use a multimeter to measure to determine whether it is a motor problem or a circuit board problem.
Lithium battery is a type of battery that uses lithium metal or lithium alloy as positive/negative electrode materials and uses non-aqueous electrolyte solution.