Best external battery for iPhone 3Gs

[salarmanutd]

hey buddies how u doin guyz? i got a Q here.if there's anyone who can A me it'll be so gooooooooooood.
i got a solar iPhone charger(NOVO THINK) but unfortunately it charges 70% of it.is there any battery dat makes my iPhone fully charged for thrice or more?wat's ur ideas bout deez batteries?😀😉🙄

Kensington Travel Battery Pack
Richard Solo 1800 Backup Battery
RichardSolo 9000 mAh Mobile Charger
juice pack™ powerstation

which one is better?

 

[LostLogik]

Get a HyperMac. Best thing I did for my 3GS, with the added bonus of it charging my MacBook as well.