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Some more pictures here: Orbea range extender modification - EMTB Forums

I've found this thread invaluable while making a range extender for my 2017 Jam2 so I thought I'd write up what I did in case anyone else finds this useful. First, some irrelevant background: my Jam 2 is running a -2 HA adjust headset, a 170mm fork and increased 153mm rear travel (using a 60mm...

All advice appreciated- I am a complete newby to electronics!

I’m also a bit surprised to see C+ and P+ on the board- the only wiring diagrams I’ve seen for any BMS on the web have had C- rather than C+ (I’m assuming C means charge). And they’ve shared P+ rather than P-.

So C is a bit of a mystery. As all lines bar C are 0v, my initial guess was that, if it has a switch, one of T1, T4, B4 probably gets connected to that, and it may turn on A to +37.5. Does this seem like a reasonable guess?

Hi- first time poster, apologies if this isn’t the right forum. I have a 2017 focus jam2. The battery is small. I read this, which suggests you can use a 36v battery as a simple range extender provided its live: Making your own tec pack? - EMTB Forums I liked the packaging of the orbea range...