Hign-concerned Chemical: None Bundle: Bundle 1 Battery Number: 1/3 Size: Prismatic Replacement Battery: No Set Type: Batteries Only Type: Li-Ion Nominal Capacity: 2000mAh Model Number: WKS-5-21V Brand Name: KEPAH Origin: Mainland China Certification: CE,RoHS Certificate:  21V 18650 Latest High Power Electric Trimming Saw Single Hand Electric Saw Rechargeable Battery, Cordless Impact Drill Battery Specifications: Item type:charging battery Color: Black Quantity: 1pc Battery: Lithium battery Battery voltage: 21V…