Amazon.com : GreenWorks 40V 2.0Ah Lithium-Ion Battery (Genuine Battery) 0.065" Dual Line Replacement String Trimmer Line Spool, 3 Count (Pack of 1) : Patio, Lawn & Garden
Greenworks GSK40B2 40V 2Ah Battery and Universal Charger (Li-Ion 40V 2Ah Output 90W 2A, Suitable for all Devices and Batteries of the 40V Greenworks Series) : Amazon.de: Electronics & Photo