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This topic has been done to death on IIS, as there are as many
opinions as options on the best way to power a scope. Having said
that, jumpstarters are not the best way to go, as they are made to
put out very high amperages for a short time[generally 300 to 450 amps]. They generally don't have a large ampere/ hour capacity.
Many purists will advise against it, but I have used a car battery for
this purpose for nearly 35 yrs, and never had a problem. In winter
when using dew heaters etc I use one for the mount, and one for the
ancillary gear.The old ex Corolla battery will run my HEQ5 for three
imaging sessions between charges.
Now wait for all the posts to come in. It's interesting to read all the
opinions.
raymo
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