DEWALT 18V 20V Original Lithium Ion Battery 1.7AH 2AH 4AH 5AH DCB182 DCB184 DCB203 DCB204
DEWALT 4 Ah Lithium Ion (li-ion) at Lowes.com
DEWALT 20V MAX 125 MPH 450 CFM Cordless Battery Powered Handheld Leaf Blower Kit with 6Ah and 4Ah Batteries, Charger and Bag DCBL722BDCB246K - The Home Depot