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Customer Service

  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed


  • Monday to Friday: 7am - 6pm CST
  • Saturday: Closed
  • Sunday: Closed


  • Monday to Friday: 7am - 10pm CST
  • Saturday: 8am - 8pm CST
  • Sunday: 8am - 10pm CST

CTEK Multi US 3300 Battery Charger 56-158

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Multi US 3300 Battery Charger
Multi US 3300 Battery Charger
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Ships Mar 28th - 30th


  • Fully automatic battery charger with 4 step charging cycle
  • Use with 12V lead-acid batteries
  • Charging current is 0.8/3.3 amps max
  • Includes two interchangeable connection leads (one with clamp and eyelet terminals)
  • Works great with all household vehicles
  • 5 year warranty

CTEK battery chargers are known for being the smartest battery chargers in the world. Available in several styles for charging batteries in trucks, cars, boats, trailers, quads, ATVs and more.

These high tech battery chargers by CTEK are reliable, easy to use and very high tech. Award winning designs by CTEK Power. Browse 5 styles including the D250S, Multi US 25000, Multi US 4.3, Multi US 7002 and the US 0.8 smart chargers.

Be prepared for winter or anything else you may have to take care of on the road.

Smart Charger Informational Video

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Watch This VideoPut a CTEK Smarter Battery Charger In Your Corner
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5 Year Warranty

5 Year Limited Warranty from CTEK Power, Inc.