This adaptor converts older Einhell battery tools for use with current Parkside battery.

There is no difference in battery shape, as older Einhell tools use the same battery as current Parkside battery. Only difference is position of the metal parts in the battery connection.

Instructions:

-Print the model with basic settings for PETG.

-transfer metal parts from original Einhell battery connection to the printed part.

- solder back the wires and assemble you Einhell tool as it was.

-plug a Parkside battery in and enjoy.

Disclaimer:

You might modify your Einhell tool a little bit, due to the different retaining part on the battery. Although the battery should hold by itself without modicication.