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Electric Skateboard Battery Enclosure with Rosenberger RoPD 10s4p

by heathly May 3, 2017
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How do you wire up the Rosenberger connection? Is it just +ve & -ve for the charger or are there balance connections too? I don't seem to be able to find out much on the connector other than mention of CAN bus on the 4 smaller connections.

I just use the main +/- and that's it. main perk of using it is that it's magnetic, waterproof and works with ebike chargers. The charger isn't responsible for balancing, for that you need a BMS.

I have a bike charger with that plug but I am not getting a voltage at the pins on the charger. Assumed it must need a signal from the other pins.
Maybe the plug needs to be engaged in a socket to make the circuit.

It's possible that your charger could need a pulldown resistor to activate it. What type of Ebike is it for?

It's for a Focus Jam2. The charging port is also used for a piggy back battery.
I wonder if the charger needs to see voltage on the battery side to start delivering.