Amazon.com: KDXY Compatible with Battery Einhell 4513377E BT-CD 10.8/3 LI : Electronics
Einhell, Bt-cd 10.8/1 Li replacement battery
Amazon.com: EHB18MTL EHB18HTL EHB18MBL Adapter Converter for Einhell Li-ion Battery for Hitachi Hikoki for Makita for Metabo Lithium Tool (EHB18HTL) : Tools & Home Improvement