Skip to main content
eBay Logo

Shop by category

Advanced
    • Daily Deals
    • Brand Outlet
    • Help & Contact
    • Sell
    • WatchlistExpand Watch List
      Loading...
      Sign in to see your user information
    • My eBayExpand My eBay
      • Summary
      • Recently Viewed
      • Bids/Offers
      • Watchlist
      • Purchase History
      • Buy Again
      • Selling
      • Saved Searches
      • Saved Sellers
      • My Garage
      • Messages
      • Collection beta
    • Expand Cart
      Loading...
      Something went wrong. View cart for details.
    {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}
    {"delay":300}

    There seems to be a problem serving the request at this time

    You are here

    • eBay
    • 400w ballast

    400w ballast

    Side Refine Panel

    • All

    • Auction

    • Buy It Now

    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
    • Distance: nearest first
    • List View

    1,135 Results

    • VIVOSUN 400w 600w 1000w Watt Grow Light Kit Ballast HPS Bulb Air Cooled Hood Set

      VIVOSUN 400w 600w 1000w Watt Grow Light Kit Ballast HPS Bulb Air Cooled Hood Set

      $110.49 to $185.99
      Free shipping
    • Brand New 400W 600W 1000W HPS/MH Digital Ballast Grow Light

      Brand New 400W 600W 1000W HPS/MH Digital Ballast Grow Light

      $85.99 to $101.99
      Free shipping
    • Brand New 400W Ballast Grow Light HPS/MH400W 2 Bulbs 400Whps 400Wmh Kit

      Brand New 400W Ballast Grow Light HPS/MH400W 2 Bulbs 400Whps 400Wmh Kit

      $120.00
      Free shipping
    • 120V to 240V Adapter for 120V Power Cord 315W 400W 600W 630W 1000W Ballast

      120V to 240V Adapter for 120V Power Cord 315W 400W 600W 630W 1000W Ballast

      $7.99 to $15.99
    • Horticulture 250w 400w 600w 1000 Watt MH HPS Digital Dimmable Grow Light Ballast

      Horticulture 250w 400w 600w 1000 Watt MH HPS Digital Dimmable Grow Light Ballast

      $69.99 to $90.90
      Was: $168.90
      Free shipping
      252 sold
    • Halco 55903 Ignitor High Pressure Sodium Ballast Starter 200W-400W 14667

      Halco 55903 Ignitor High Pressure Sodium Ballast Starter 200W-400W 14667

      $15.58
      Free shipping
      254 sold
    • iPower 400W Ballast HPS MH Grow Light System Kit Wing Reflector Set

      iPower 400W Ballast HPS MH Grow Light System Kit Wing Reflector Set

      $95.99 to $112.99
      Free shipping
      727 sold
    • SolisTek 600/400W SE/DE Digital Ballast 120/240V

      SolisTek 600/400W SE/DE Digital Ballast 120/240V

      $33.00
      0 bids
      $24.99 shipping
      Ending Aug 21 at 4:57PM PDT9d 12h
      or Buy It Now
    • Galaxy Grow Amp Model 902220 Digital Ballast 400W, 600W, 1000W

      Galaxy Grow Amp Model 902220 Digital Ballast 400W, 600W, 1000W

      $15.80
      0 bids
      $14.06 shipping
      Ending Aug 14 at 8:36AM PDT2d 4h
      or Best Offer
    • 400W Watt Digital Electronic Dimmable HPS MH Grow Light System Ballast 110V 240V

      400W Watt Digital Electronic Dimmable HPS MH Grow Light System Ballast 110V 240V

      $25.00
      $13.15 shipping
      or Best Offer
    • VIVOSUN 400 W Dimmable Digital Ballast for HPS MH Grow Light system Space Gray

      VIVOSUN 400 W Dimmable Digital Ballast for HPS MH Grow Light system Space Gray

      $79.99
      Free shipping
      or Best Offer
    • 400w HPS MH GROW LIGHT Digital ELECTRONIC Dimming Ballast DIMMABLE 400 W WATT

      400w HPS MH GROW LIGHT Digital ELECTRONIC Dimming Ballast DIMMABLE 400 W WATT

      $89.95
      Free shipping
    • Xtrasun Dial-a-Watt Dimmable Digital Ballast 400W 120/240V

      Xtrasun Dial-a-Watt Dimmable Digital Ballast 400W 120/240V

      $70.00
      0 bids
      Free shipping
      Ending Today at 2:12PM PDT9h 40m
      or Buy It Now
    • ADVANCE 71A6092AEE METAL HALIDE BALLAST 400W M135 M155 120-277V

      ADVANCE 71A6092AEE METAL HALIDE BALLAST 400W M135 M155 120-277V

      $39.99
      Free shipping
      or Best Offer
    • Solis Tek STK-1000 1000W/ 600W/ 400W Dimmable MH/HPS Digital Ballast. 120-240V

      Solis Tek STK-1000 1000W/ 600W/ 400W Dimmable MH/HPS Digital Ballast. 120-240V

      $35.00
      0 bids
      $23.21 shipping
      Ending Aug 14 at 3:18PM PDT2d 10h
    • 400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan

      400W HPS MH Electronic Dimmable Ballast for Grow Light Bulb Lamp w/Cooling Fan

      $68.99
      0 bids
      Free shipping
      Ending Aug 18 at 1:52PM PDT6d 9h
    • Phantom 400w Digital Ballast PHE400

      Phantom 400w Digital Ballast PHE400

      $59.95
      $10.95 shipping
      or Best Offer
    • iPower 400W Digital Dimmable Electronic Ballast for HPS MH Grow Light 1/2-Pack

      iPower 400W Digital Dimmable Electronic Ballast for HPS MH Grow Light 1/2-Pack

      $95.99 to $175.99
      Free shipping
    • 600w Electronic Dimmable Digital Grow Light Ballast HPS 250w 400w 600w Swiftair

      600w Electronic Dimmable Digital Grow Light Ballast HPS 250w 400w 600w Swiftair

      $42.78 to $67.23
      $38.17 shipping
      788 sold
    • Sunlight Supply 400w HPS Ballast S51 - 120v - Grow Light Ballast

      Sunlight Supply 400w HPS Ballast S51 - 120v - Grow Light Ballast

      $30.00
      $20.00 shipping
      or Best Offer
    • Crop Master Sun System 10 - 400w HPS Ballast - 120v/240v - S51 - Grow Ballast

      Crop Master Sun System 10 - 400w HPS Ballast - 120v/240v - S51 - Grow Ballast

      $30.00
      $20.00 shipping
      or Best Offer
    • VIVOSUN 400/601000w Watt Dimmable Digital Ballast for Grow Light HPS MH Bulb US

      VIVOSUN 400/601000w Watt Dimmable Digital Ballast for Grow Light HPS MH Bulb US

      $69.99 to $739.58
      Free shipping
    • Solis Tek STK-1000 1000W/ 600W/ 400W Dimmable MH/HPS Digital Ballast. 120-240V

      Solis Tek STK-1000 1000W/ 600W/ 400W Dimmable MH/HPS Digital Ballast. 120-240V

      $30.00
      $31.38 shipping
      Only 1 left!
    • 400w MULTI LAMP HPS MH GROW LIGHT System Ballast w Bulbs Sodium Halide 400 watt

      400w MULTI LAMP HPS MH GROW LIGHT System Ballast w Bulbs Sodium Halide 400 watt

      $154.95
      $34.50 shipping
      25 watching
    • Lumatek 1000w Digital Ballast 120v/240v Dimmable 400w/600w/1000w/1000w SL

      Lumatek 1000w Digital Ballast 120v/240v Dimmable 400w/600w/1000w/1000w SL

      $135.00
      $39.99 shipping
      8 watching

    Results Pagination - Page 1

    1. 1
    2. 2
    3. 3
    4. 4
    5. 5
    6. 6
    7. 7
    8. 8
    9. 9
    10. 10

    Additional site navigation

    • About eBay
    • Announcements
    • Community
    • Security Center
    • Seller Center
    • Policies
    • Affiliates
    • Help & Contact
    • Site Map
    Copyright © 1995-2022 eBay Inc. All Rights Reserved. Accessibility, User Agreement, Privacy, Cookies, Do not sell my personal information and AdChoice