Torpedo is An universal switching power supply for Fishino/Arduino boards and other 5 Volt appliances. It brings UPS supply to your Fishino/Arduino boards.
You can buy a Fishino Torpedo board here
Technical specs
Single cell LiPo battery connector
Pass-through USB connector
Plug for external power supply
800 mA output current
5 Volt output
High performance switching technology
Electronic schematics and Eagle files