I have designed this holder for the “Patona Dual Charger NP-FZ100” which you can find on Amazon (possibly only available in Germany).
the charger is pushed in from the side I have developed everything very tightly so you need some fingertip feeling but also strength it is thoughtr that it holds very STABIL.
Amazon link
https://www.amazon.de/PATONA-Schnell-Ladeger%C3%A4t-NP-FZ100-Passend-BC-QZ1/dp/B07CM7DGVP/ref=sr_1_5?crid=Y87K63W9REEI&dib=eyJ2IjoiMSJ9.KUONE9ut3T1u1LKsLXasI4MyhnVImOpJFdaK5ztOLFtzXiKq8KiRkIl5nH-61ASdReysnhCjASM7jPFSvYm29ppEfxxZs4geuk7BUr0G1fVDNWbXikn64xfqt-y9hDiPqpw41ZX94h6lPk3W11c-bOkY0Bgy1NeuvoqWQFaAIGtwXxeV4ttB9R8P3qZx7MlaErYQePZDae5mCiTJDzKEpBO8_eR5xHpTB6ZTsR8j7OMD-pizsfto9yZMACLSs1UXU6ZbA9Uoa4Rh1uNqdLYObUfh9uJ0xOuU2T4nO9QsNBY.sAn9OlgME6VtHco5lzza4T4MCMvLEy0Lbr6wYYgTvs8&dib_tag=se&keywords=patona+sony+a7+iii&qid=1715700724&s=ce-de&sprefix=PATONA+s%2Celectronics%2C99&sr=1-5
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