better yet, install
rom toolbox, there's a theming module in there that lets you do it all on the phone. You can download battery icons through the app and install them instantly if the rom is deodexed, which gin2jb is!
Right, so, my battery finally ran out, and I can say it was amazing, lasted three whole days from morning of the first to evening of the third, and I used it just like I would normally, which I must admit doesn't include much internet usage, but still a fair bit of gaming and texting.
Thanks a lot Vokal for the personalised support, I'll donate for this!