ctek 25000 charger

Ctek recommend the size of the generator to at least be double the size of the charger. The MULTI XS 25000 (300W) needs at least 650VA to function correctly.

Looking at this, it becomes apparent that the combined efficiency factor and power factors is 0.46.

Assuming the following:
P/F generator: 0.8
P/F charger: 0.9 (as PFC is stipulated by standard)
The AC/DC conversion efficiency is allowed to go as low as 0.63 under this scenario.

The end result is, that for every Ah the charger puts into the battery, it draws the equivalent of 1.6Ah from its source.
During times of peak charging current, the generator fuse gets to see a current 2.17 times higher than the maximum charger wattage would suggest - 2.7A versus 1.25A.

In a nutshell, as long as your generator is rated higher than 650VA, and the output fuse >2.7A you'll be able to run your charger off the gennie. It should be easy for you to work out the spare capacity left to run additional loads at the same time. Note that the maximum current draw by the charger only happens for a fraction of the total recharging time, depending on the DOD of the connected battery.

Best regards, batterymeister

Reading all of the above will my Honda 650 generator run my cetek 25000 with no problems to charge ? I beleived it would all work O K to charge quickly in the bush..Have I made a blunder...