New TN User
Join Date: Jan 2014
Location: Austin, TX
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Thanks for the good input. I went ahead, ordered the unit, tested it and like it. I posted this review on Amazon:
After receiving this unit and charging it fully, I tested this with my Toyota Tundra V8.
On a cold morning, around 30 degrees F, I deliberately drained the truck battery and was able to start the engine 5 times in a row with just the Allstart 555. This is exactly the capability I was looking for since I often travel into remote backcountry where no one may be around for a jump start.
The unit is designed well, although I have a minor quibble: It needs to stand upright. If you lay it down, you will be resting it on either the buttons on one side, or the inverter box on the other, neither of which is likely to be good for it in a bouncing truck. So I have to find some kind of deep cardboard box in which the unit can be stored in the truck while resting upright in its base and without becoming a magnet for theft. Don't throw away the packaging materials until you find a solution!
I have not tested the inverter in the field yet.
Customer service was very good, providing me with a PDF copy of the user manual which I can download to my phone. In response to my question, they also recommended against using this unit to maintain battery charge over a long period of time. Quote:
...the jump starter, in function really, only activates its peak amps under load or when the car is cranked. There is a little bit that will flow into the battery and is why some people like to have it hooked to the battery for a couple mins before trying the start, but a charger and jump starter are completely different. I would recommend a trickle charger or maintainer for your needs.