Does a reasonable job. We actually bought the power source to run our 12V camping fridge and lights both when camping, and on road trips when the car is switched off. It should have a heavier duty charger so that you can leave your 12V devices plugged in when you plug it into the mains to charge (doing that will apparently overload / burn the charger out). I have no faith in the digital readout - it ran my camping fridge for a couple of hours. After shutting it off for a couple of hours it claimed to have 0% charge left, then after that it continued to run the fridge overnight without the battery dropping low enough for the fridge's automatic low battery cut out.
For what it is though (an emergency battery / power source), it seems to do quite an adequate job.
I haven't had reason to try the car jump start feature, so I don't know if the battery can really provide enough CCA to do that. I do question however, that it would jump the car safely now when all computer managed engines are supposed to only be jumped with surge protected jumper leads. I cannot find anywhere in the documentation suggesting that the jump feature is surge protected.Get more detail about Xantrex Powerpack 600 Watt Jumpstarter, Power Inverter and Backup Power Source.
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