Makita charger for Li-ion and NiMh batteries 18V (DC18SD)
Makita 18V 5.0Ah LXT Lithium-Ion Power Tool Battery at Tractor Supply Co.
Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement