Amazon Referenz turntable power supply info ?

Does anyone out there know the exact replacement for this ?
7.2 v ?
3300 or 3000 cell 
do not want to damage it with the wrong size 
Please help 
Absolutely no info out there sorry not acceptable  !
These guys were the U.S./Amazon distributor:      Perhaps they could answer your questions.
3700 mAh  it`s six batteries in an elongate pack 2X3 got them here in 
Germany from conrad electronics.