Battery Kit for 40V Brushless Tools with 10pcs 21700 Cells and Safety Protection Compatible with BL4020 BL4030 BL4025

High-concerned chemical : None Origin : Mainland China Brand Name : VIBRATITE DIY Supplies : Electrical Battery Kit : Easy Installation Battery Kit Lithium Cells : 10pcs 21700 Lithium Cells Power Tools : Replacement For Power Tools Conductivity : Reliable Conductivity Safety Features : Advanced Safety Capacity : High Capacity Protection : Intelligent Protection User Needs : Professional User Power Needs Material Quality : High Strength ABS Plastic Circuit Board : PCB Circuit Board Protection