1. Inspired by:
• Aulia Nurhady
• Cecep Isnandar

2. A Refrigeration System’s Device
Thermoelectric is one device of
refrigeration system for cooling
something or products.
Discovered by Jean-Charles Peltier
in 1834

3. Cooling Process
Peltier Effect

4. Many advantages use
Thermoelectric
* Low voltage DC power
* Environmentally friendly
* Small and lightweight
* Maintenance free
* No Refrigerant

5. Backpacker with Cooling
Portable

6. Power Resource
OR

7. Social reviews
 Everybody almost use backpacker
 Portable refrigeration’s Era

8. Economic Reviews
• Cost-effective, can save your money!
• Good investment

9. Accounting Finance
Estimation
Components Prices
• Ofgrid Solar Backpack, or
• $229
• V60 Universal Laptop Battery +
• $204
Backpack
Thermoelectric 550 W (2 units) $86
Total $316/$290

10. Conclusion
Innovation of backpack, it included cooling
device for cooling foods or drinks.
Thermoelectric is based this innovation.

11. Reference
• http://www.ferrotec.com/technology/thermoe
lectric/
• Ebay