【Excellent Performance】High capacity and high output to keep your tools alive; Built-in protection system to prevent over-charge,over-discharge,over-voltage,over-heating,shortcircuit.Safety and stability,you and your family can use them with confidence
【No Memory Effect】Made up of lithium cells,no memory effect. Can be charged or discharged as needed without loss of capacity, with a variety of protection systems, making it safer to use