It turns out that the people in this thread have lied? - www_blackberryforums.com/general-8100-series-discussion-pearl/82359-c-s2-battery-pearl_html
(I can not yet paste links by forum rules)
Even more strange that in a network is missing a full documentation of possible errors of the device. I always thought blakberri a serious company ...
It is interesting how the phone understands the difference, with a completely identical plugs and voltage per pin? But apparently, and this issue to not described anywhere.
Neither Amazon nor ebey does not deliver it to my country, so I it does not fit. There are shops that agree to send, but they want $ 40-50 for an express delivery ...
I guess I'll just have to solder Li-ion of necessary capacity to the contacts :(
Thank you for your time