Google sells additional battery for Nexus One on web store.

As great as the Nexus one can be, the accompanying battery 1400mAH battery fails miserably to deliver. In response to the numerous complaints, Google is offering an additional battery a $25 on their web store.
Technical specifications:
·      Removable 1400 mAH battery
·       Charges at 480mA when installed in Nexus One phone connected to USB, at 980mA when installed in phone connected to charger
·       Talk time: Up to 10 hours on 2G, Up to 7 hours on 3G
·       Standby time: Up to 290 hours on 2G, Up to 250 hours on 3G
·       Internet use: Up to 5 hours on 3G, Up to 6.5 hours on Wi-Fi
·       Video playback: Up to 7 hours
·       Audio playback: Up to 20 hours
Unfortunately, there is no charger provided. Which raises the question: How do I charge this additional battery when the other dies on me on the road?
Learn more: https://www.google.com/phone/choose?locale=en_US&s7e=