Convert 36v to 48v

[heathermthomas]

Just got my dad a ezgo 2005 txt, with Trojan batteries. obviously has a 36v set up.
Is there a way to CONVERT to 48v?

If so, what would we need? approx cost? and is it worth it?

Thank you for helping in any way!

[golfcartg]

There is an article on it actually and here is the link, if you have any questions though feel free to ask!