Charger Adapter plate for Sony NP-FW50 battery

This is an adapter plate for those typical dual aftermarket NP-F chargers with LCD screen. They go under different brand names, most common one on amazon is "Neewer", but there's also Fomito, D&F, Volta, etc..
Mine came with two NP-F970 plates, but I wanted to be able to charge smaller NP-FW50's with it, and i couldn't find the plates for sale separately.. The plate is not very high-tech (it lacks the connector for the temperature sensor) and can be finished with just two small wires and some n