[Kalzazz]

Okay I think I get it.

1300 watts over 1 hr = 1.3 kwh

1 kwh = 3600 kJ

1.3 kWh = 4680 kJ

TL 10 C cell = 360 kJ

So a C cell lasts .077 hours

13 C cells per hour

9360 C cells for the 1 month vacation

I need to pack a large bag