Amazon.com: Alian MT18GL Battery Adapter for Craftsman Power Tools, for Makita 18V Lithium ion Battery Convert to only for Craftsman C3 19.2 Volt Battery (Can't for 20V Battery),with USB Cordless Battery Adapter :
Amazon.com : TENMOER 18V 9.0Ah BL1890 Replacement Battery Compatible with Makita 18V BL1830B BL1860B Cordless Drill with LED Screen Display,2-Pack : Tools & Home Improvement