Original Battery Einhell Einhell Power X-change Plus P-x-c 18v 5,2ah, 18v, 5200mah/93,6wh, Li-ion Battery, Rechargeable, 120,00mm X 75,00mm X 75,00mm, Original. New - Battery Accessories & Charger Accessories - AliExpress
Einhell 4511481 18-Volt 4.0-Ah Lithium-Ion Power X-Change Battery, Amp, Red - - Amazon.com