Einhell® 4512081 - Power X-Change™ 18 V Li-ion 3.0 Ah Battery and Wall Battery Charger - TOOLSiD.com
Einhell® 4511499 - Power X-Change Plus™ 18 V Li-ion 5.2 Ah Battery | eBay
Ehb18htl Adapter Converter For Einhell 18v Series Li-ion Battery For Hitachi For Hikoki 18v Lithium Electric Power Tool - Battery Storage Boxes - AliExpress