Just an informational post in case someone is Googling for the same...

Some friends bought some cheap Android tablet, it seems to be an ICS based Zenithink 10" ZTPAD (hard to determine a model number). Cortex A9 based. Being the "computer guy" I got asked to set the thing up, it seems to be decent enough.

However it was supplied with an extremely dodgy power adaptor, in fact I doubt it's even legal.
Anyway, the friends are trying to get a proper adaptor off the supplier (doubtful) but in the meantime they agreed to pay for one, these are the parts I bought from GlobalPC in Christchurch:

M8925 9V2A Powertran plugpack
M9187 DC jack

Cost just under $32