For anyone looking for a solenoid that can be used with a battery combiner I have an extra Brand New
White Rodgers DC Power Solenoid / Contactor in the box.
These sell for around $100. I will sell it for $75 OBO shipped.
If anyone is interested let me know.
White Rodgers single pole normally open DC power contactor. Continuous duty, 12 VDC coil, 21 ohm coil resistance, silver alloy contacts, 12 VDC contact rating, 200 amp continuous, 600 amp inrush. Recommended mounting is vertical with coil terminals up. Photo is representative of 586 series and may vary in subtle details.
I also have a Brand New In Box pair of Power Acoustik KP-42N 4" Car Audio Speakers. $25 shipped.