YT Decoy Dummy / Blank Plastic Battery Cover - Protect bike when battery removed | eBay
Kastar 2-Pack Battery and Dual D-Tap Charger Compatible with Sony VENICE 2 Digital Motion Picture Camera, A7S III (With a d-tap to dummy battery to work with your sony A7III) PMW-320K PMW-320L
Revonte adds proprietary battery to OEM motor proposition