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A good sealed lead acid battery will run an EQ6 all night.
I have had no problems. Using both the Jumpstart Units (900A rating) and individual SLA batteries. Most car shops that sell JS units sell spare 15amp SLA batteries at around $58 which is good value all you need is a regulated 13.8v charger to charge them. keep them on charge when not in use.
DSE Jaycar sells charger packs. You will need one rated at 500Mah (half an amp)
Hauling car batteries is not necessary. I also run a 600w inverter to power my laptop computer on SLA with no problems
One secret Good batteries. Well Charged. Short cables
Remember green to green red to red Other way round and your gear is dead. A series diode in the positive line will prevent errors, but will drop the volts a bit. But a diode at 20 cents is cheap insurance !!
The connector is a 2.1mm DC plug center is positive
The max current drain is less than 2 amps. The specifications calls for a 11 to 15v 2amp source. However in the tracking mode the current drain is quite low. When stating specs. The source of supply is usually twice that needed but capable of the maximum at any time. IE Overload or Obstructed Scope.
For short periods the batts can be charged from your fag lighter in the car driving to the site. This is not recommended for long periods as the car charging level is over 14Volts on most cars
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