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Whites Eagle 2 SL 90 Power Gobbler.
Posted by: Sweeping-4-junk
Date: January 02, 2020 12:59PM
I am sure this detector probably might just hold the world record as the ultimate battery power eater. 3 and a half to 4 hours to flatten zinc carbons. Alkaline's not that much longer actually maybe 2 hours or so extra.
One thing i noticed with this oldie machine is the battery connections in the pack must be pristine or the machine faults, also the two contacts in the machine battery compartment need buffing up on a regular basis. Today my screen froze up and the machine would not work at all despite testing indoors before going out on the hunt. I got back home and cleaned everything with switch cleaner and fibre cleaning pen put new batts in and she was working great.
One thing i noticed is just how much voltage is dropped with the machine switched on. . The fresh battery's in the pack (with the pack removed) measured 6.4 volts with an high accuracy volt meter. When i put the pack into the machine and measure the voltage using the SL90 'S built in battery voltmeter i get a reading of 5.9 volts. So what do you think would you say it normal to see half a volt dropped, i test the machine for 1 minute and i see the voltage has gone down to 5.8 - talk about a power sucker..

Re: Whites Eagle 2 SL 90 Power Gobbler.
Posted by: Flintstone
Date: January 02, 2020 04:32PM
4junk, do you have your light on all the time? I make sure mine is off unless I am in almost dark. The light will run her dead faster than anything, and the longer you use the pinpoint will use more power. I make sure I know about where the target is before I turn on pinpoint.

Re: Whites Eagle 2 SL 90 Power Gobbler.
Posted by: Tom_in_CA
Date: January 02, 2020 07:28PM
I used the Eagle II SL 90 for many years. Loved it, except that it was far out-paced , on depth, by other machines that came along. But otherwise loved it.

I don't recall it being a power-hog for batteries. I used rechargeable nicads, and always had a 2nd pack in my apron to swap out if needed. So I never paid much attention to how fast it drew down power, since the nicads can just be recharged for free.

Re: Whites Eagle 2 SL 90 Power Gobbler.
Posted by: Sweeping-4-junk
Date: January 03, 2020 12:47PM
I went out with it today for a 90 minute hunt and the brand new battery's are more than 50% depleted!.
Ok they are zincs, pretty bad battery's i know, so 2.5 to 3 hours is looking like the maximum hours the zincs can withstand before depleting to a level where the detector fails...

Re: Whites Eagle 2 SL 90 Power Gobbler.
Posted by: Sweeping-4-junk
Date: January 03, 2020 12:54PM
Yes it's not a depth monster i agree. The non motion all metal goes down 2 inches or so deeper on a coin but the meter won't kick numbers up on anything past moderate depth so i start digging deep crap...
AMAZING that the detector is still working well after 30 years though!..