Get one of this, it might help you sometimes in emergency, the Turbo Charge. It is considered as a phone charger, an emergency charger that will give you 2 hours of talk time or 40 hours of stand by. Turbo Charge is powered by just a single AA battery and it also supports “Trickle” charging of cell phone which only takes oyu 1 ½ hours. This Turbo Charge is available for $19.95.

[via i4u]