Customer Service
Unit arrived without the solar wire harness. Called customer service and they were very helpful and shipped me the missing piece straight away.
MK-8 Solar Control Unit - 6 Volt
Spin-Cast Wildlife Feeders
$190.00
✔ Ready to Run
BUILT FOR YEARS OF USE — NOT JUST ONE SEASON
Stop replacing cheap deer feeder timers that fail after a season. The MK-8 Solar Control Unit is built for reliable, long-term performance in real outdoor conditions.
Trusted by customers who expect years—not months—of dependable use.
- Designed for long-term reliability (not one-season use)
- Consistent, accurate feeding schedule you can trust
- Low power draw for longer battery life
- Built to handle real field conditions
What’s included:
- MK-8 Control Unit
- Solar panel
- Rechargeable battery
The MK-8 Solar Control Unit is a dependable deer feeder timer built for hunters who want consistent performance season after season.
✓ Ready to Run — Includes Rechargeable Battery and Solar Panel
Reliable Solar-Powered Deer Feeder Control Unit Built for Years of Use
The new generation of Spin-Cast reliability has arrived.
The MK-8 deer feeder timer features an accurate internal clock with a low-power sleep mode to conserve battery life. A press of any button wakes the unit instantly.
- Up to 6 feeding times per day
- Adjustable motor run time (up to 60 seconds per feeding)
- Simple, user-friendly programming
- Solar confidence LED indicates charging status
- Test button runs a full system check with 10-second countdown
- Replaceable lithium backup battery retains settings when the main battery is disconnected
All control unit housings are made from 100% recycled polycarbonate with UV inhibitors—the same tough, flexible material used in safety glass—built to withstand long-term outdoor exposure.
Each MK-8 Solar Control Unit includes a 6 volt rechargeable battery, 6 volt solar panel with stainless steel cable, small cone, cutting template, and mounting hardware.
Handmade at our facility in Texas using many U.S.-sourced components.
See video below for programming information.
Complete Your Feeder Setup
Bundle and save on these popular upgrades.
Select these upgrades using the checkboxes above the Add to Cart button to get the extra savings.
Field Swap Battery
Keep a spare rechargeable battery ready for quick swaps in the field.
6-Volt Battery Charger
Keep your feeder battery charged and ready between uses.
Feeder Protection Kit
Helps protect feed from raccoons, squirrels, and other varmints.
Feed-On-Demand Remote
Trigger feed cycles instantly without opening the feeder.
1 Year (excluding batteries)
Reviews
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Spin cast solar feeder
Spin cast feeders are by far the best timers my last two timers lasted almost 28 years and would still be going if the pigs didn't knock them over.. I will never buy a different feeder timer.
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MK-8 solar control unit 6 volt
I first bought a Spin cast unit back in 2000. I don't even think they had a MK-1 designation back then. The unit worked perfectly for the past 25 years. Finally the circuit board got fried and it was time to get a new one. I immediatly went online and bought an MK-8 solar 6-volt unit. I'm 72, so if I get another 25 years out of this new one, I'll be setting a new record for elderly hunters! Great product! and so simple to operate a senior can do it!
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MK-8 solar control unit 6 volt
great product, easy to program, dependable
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Deer feeder control unit
Great quality
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Slingers
I have been using Spin Cast slingers since the mid 90’s and as far as I am concerned, no body, and I mean no body builds a better set up or more reliable set up than Spin Cast. Luv your product and I tell everyone if you want to eliminate your issues with your feeders, switch to Spin Cast.