[iBook] clamshell iBook NewerTech battery?

[Tom R. no spam]

Any information, opinions, etc about the NewerTech
replacement clamshell battery at OWC?
http://eshop.macsales.com/item/Newer%20Technology/BAPIB148V44/

Is the slightly larger capacity one (71 watt-hr vs 65 watt-hr)
worth the extra $20?
http://eshop.macsales.com/item/Newer%20Technology/BAPIB148V48/

Any alternatives for replacing a 300MHz clamshell dead battery?

Thanks.