Alternatives

Other battery, charger and joystick options for Germany (locally available).
Links:
Battery: https://www.amazon.de/Powilling-ErsatzAkku-Dewalt-DCB200-DCB183/dp/B07K9SCJVG/ref=sr_1_21_sspa?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=dewalt+akku&qid=1564045704&s=gateway&sr=8-21-spons&psc=1
Charger: https://www.amazon.de/dp/B01E85JRZ6/ref=pd_sim_b2b_1/260-0460346-0923826?_encoding=UTF8&pd_rd_i=B01E85JRZ6&pd_rd_r=69741dec-7a4a-4d32-92d0-b35ccfb7e4c4&pd_rd_w=BYxVG&pd_rd_wg=z6vwu&pf_rd_p=e1a147ba-55db-4b24-937f-1f31927c8f39&pf_rd_r=36AREKHE36QFVJXDH4SC&psc=1&refRID=36AREKHE36QFVJXDH4SC
Joystick: https://www.amazon.de/dp/B07MCGVKHD/ref=sr_1_12_sspa?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=joystick+playstation+wireless&qid=1573058158&sr=8-12-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExM0FJVEREVVRRQllRJmVuY3J5cHRlZElkPUEwNzc0MTIzMVE5MDUyWllLVzJORiZlbmNyeXB0ZWRBZElkPUEwMjg3Njg5M0lIS1RXSlQ2UVU4QiZ3aWRnZXROYW1lPXNwX210ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=