Swytch Pro/Max yellow battery connector secrets revealed?

saneagle

Esteemed Pedelecer
Oct 10, 2010
6,080
2,871
Telford
Hi all thinking about doing this on my wifes swytch max, with battery on the front, due to terrible range.
Based on what has been said, I need to have the standard battery fitted as well, or the outer ports dont do anything to the other controls, in effect fitting a second 36v battery and having both power the bike
Not correct. if you open the compartment, you can splice a battery connector into the wires going from the battery to the controller.
 

Cisco-man

Esteemed Pedelecer
Sep 27, 2023
284
65
Simplest way is with this adapter sold on ebay

It just plugs onto the outer spade connectors of the swytch battery plug.
great for the non-technical, but there are better ways if you can solder.
 

Cisco-man

Esteemed Pedelecer
Sep 27, 2023
284
65
Here’s what for me, was the final solution. A twin Schottky diode on the back of the swytch housing (nice and cool, and hidden pretty much). You can have any extra 36v battery attached, the normal swytch pack, or both together, with no fear of battery cross-feeding..
 

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Woosh

Trade Member
May 19, 2012
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nice work!