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I'm saying.....
Fox - what I'm saying is that the auto mart "jumpstarter/powerpacks" have a trickle charger that is used to recharge the battery after use. It is not intended to be left on (ie charging) whilst you are using the powerpack for 3 reasons:
(1) it kinda defeats the purpose of these devices - it's intended to power 12 volt devices (in our cases scope mounts etc) in remote locations or where the use of a mains powered, regulated 12 volt DC supplies are inconvenient, or unavailable, or just not desired for whatever reasons etc.
(2) trickle chargers can still over-charge the (relatively) small SLA's in powerpacks and therefore the battery could be cooked (ie ***ed) if it is left on once the battery is fully charged.
(3) besides the above, once the battery inside the device (ie the SLA) is fully charged; leaving the trickle charger on could easily cause the terminal/output voltage of the powerpack to be too high for the safe operation of the mount and its' internal circuitry etc - resulting in potential *%#@*! to said mount.
I have no specific knowledge about your Powertech charger unit (I presume it is a battery charger!): if it is a regulated output charger system that switches/reduces to a trickle (low current) charge when the battery being charged reaches fully charged (by sensing the voltage) one would need to know at what terminal voltage this occurs. 12 volt batteries' terminal voltages can rise to as high as 15.6 volts when fully charged with some chargers (2.6 volts per cell: (6 x 2.6 volts = 15.6) Whatever its' suitability is for the intended task, point (1) above still applies and depending on what I have just said, also (possibly) points (2) & (3)
Cheers, Darryl.
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