One day is kind of a sweet spot. Pick it up, go do your daily business, come home and plug it in to recharge, you're good. The chargers live at home unless you'

One day is kind of a sweet spot. Pick it up, go do your daily business, come home and plug it in to recharge, you're good. The chargers live at home unless you'll be gone for more than a day. More would certainly be nice but smaller/cuter/more powerful generally makes for a better reason to upgrade. Especially when you can just grab a battery you can throw in the bottom of your purse and use to recharge the phone a few times if you really need more juice.