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Home > Forums > ASTRONOMY EQUIPMENT > Equipment Talk > Message #836499

Re: Portable Power Supply

Posted by Fred Lusk on 11/7/2017 9:01 PM in response to Portable Power Supply   (100 hits)
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I've had one of these for about 15 years:

I think Duracell sells the same thing under their name.

I replaced the internal battery about three years ago and it's going strong. When I bought mine, it was about $170, not $390, which is the current price on Amazon.

This unit has a capacity of 28 AH. For outlets, there is a cigarette lighter plug for 12VDC and three 120VAC outlets running through a very clean inverter (I needed clean power to run a CPAP and this unit will run mine for two nights with the humidifier off). You can also gang batteries together and I often add a 35 AH deep cycle in series.

The unit also has a radio and a light and can be used to jump start a vehicle. I only use the radio by accident but the light is handy sometimes.

If you don't need this much power, you may be able to find something smaller, but I don't have any info about smaller units.

This post was modified on 11/7/2017 9:01 PM


Subject Posted By Date/Time Hits 
Portable Power Supply Barbel Sepulveda 11/7/2017 7:21 AM 97
Re: Portable Power Supply Fred Lusk 11/7/2017 9:01 PM 100

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