Bosch Cordless Saw Advanced Cut (2.5 Ah Battery 18 Volt System, 18 In)(the plug charger is EU, if used in USA needs a plug adapter for the charger) - - Amazon.com
PARKSIDE Battery 18V 1,5Ah PAP 18-1.5 A1, 29,99 €
Two Pieces New 20v 6000mah Lithium-ion Battery For Pap 20 B3, Pap 20 A3 For Parkside X 20v Team Cordless Power Tools Pap20a3 - Rechargeable Batteries - AliExpress
Non functioning PARKSIDE 8Ah Smart Battery - now I Fixed it! - YouTube