Scopes don't need clean power, any 12v power source is fine. I have
been using old car batteries on a number of different mounts for
almost 40 years. A motor cycle battery powers an SE8 nicely, but not
other accessories such as dew heaters. Very occasionally, if my battery is not available, I run my HEQ5 directly off a 2.5 amp battery
charger.
raymo
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