Einhell Power X-Change 18V, 4.0Ah Lithium-Ion Battery Twin Pack 2 x 4,0Ah Batteries Universally Compatible With All PXC Power Tools And Garden Machines : Amazon.co.uk: Garden & Outdoors
Metabo - 18V 4.0 Ah Lihd Compact Battery Pack (625367000), Batteries & Chargers for Current Tools - - Amazon.com