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  1. Beesleyboy

    Here is the inside of the focus jam2 battery , may be of interest to some people. Some corrosion starting in the last picture.

    This is Sh#t, I hate that sort of thing, you just end up banging your head ageist a wall. I have a focus jam2 and i'm not looking forward to when I need to go through this. it shows that these companies only care before you buy the bikes, I would put it on any bit of social media possibly and...
  2. Beesleyboy

    Here is the inside of the focus jam2 battery , may be of interest to some people. Some corrosion starting in the last picture.

    This is a great deal, I don't need one at the moment, but at that price I would buy them all, keep a loom and a charger then sell the rest, but how do you pay safely on this web sight.
  3. Beesleyboy

    Here is the inside of the focus jam2 battery , may be of interest to some people. Some corrosion starting in the last picture.

    if any one is interested I found this one in stock. https://www.ridewill.it/p/en/focus-170818019-spare-battery-378wh-105ah-for-jam2-sam2-and-bold2-shimano-engine/1375080//?adv=s&zone=2&gclid=CjwKCAiAu8SABhAxEiwAsodSZB_6XfTryyfSeq-nZQzUUHfDb4azPOvGCv3bEkfrGkyh_EnBJSIOOBoCK20QAvD_BwE
  4. Beesleyboy

    Here is the inside of the focus jam2 battery , may be of interest to some people. Some corrosion starting in the last picture.

    There is one on Ebay, that is badly damaged, but they still want £250 for it.? to expensive for me to experiment with.
  5. Beesleyboy

    Here is the inside of the focus jam2 battery , may be of interest to some people. Some corrosion starting in the last picture.

    Hi Guys, I was wondering if I could build my own battery with different BMS, if I ever needed to, I have built battery's for DIY trike bike and scooters. But I cant see how the aboriginal BMS knows what cells are in the system.
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