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A spare phone
Sometimes on your travels, it can be difficult to find a place to charge your smartphone — and in case of emergencies, this kind of communicative gadget can be essential.
SpareOne is an emergency phone that can be run on a single AA battery for up to ten hours of use — without a SIM card. The phone covers both GSM frequencies, and a local SIM can be used to help you avoid high roaming charges. In addition, the mobile comes with a handy torchlight.
A SpareOne mobile will set you back $99.99.