· New Upgraded: Type: Lithium-ion | Voltage: 12V | Capacity: 3000mAh | replacement for dewalt 12v battery.· Perfect Compatible: Perfect replacement for dewalt 12v dcb120 dcb122 dcb123 dcb124 dcb125 dcb126 battery, compatible with dewalt 12v DCD/ DCF/ DCK/ DCR/ DCS series tools.· Smart Protection: It provides effective protection against potential damage from short circuits, overcharging/discharging, over-voltage, and overheating.· Safety and Reliable: All of the products are ce and rohs certified, tested by manufacturer to match oem products. Built-in circuit protection for safety and stability.· Premium Service: We offer a one-year warranty service to make your use easy. If you have any problems, please do not hesitate to contact us, we will reply you within 24 hours.