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
Bosch Home and Garden Battery Set Starter Set 18 V 1600A011LD Tool battery and charger 2.5 Ah Li-ion | Conrad.com
STL file Bosch 4All about Bosch pro 18V Adapter・3D print object to download・Cults
Bosch 18-Volt 2-Pack 4 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery Kit ( Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
Bosch Genuine GREEN 18v Cordless Li-ion Battery 2.5ah and 3A Fast Charger | Battery Packs