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CTEK MULTI US 3300

12V Smart De-Sulfating Battery Charger for Lead Acid Batteries

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• Battery Charger
• Designed for All Types of 12V Lead-Acid Batteries
• Four Step Fully Automatic with Pulse Maintenance Mode
• 1.3mA Back Current Drain
• Full Automatic Charger
• Splash Proof
• Compact Design
• Special Cold Mode

Learn more about the cte-3300

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

cte-56864 thumbnail

CTEK MUS 4.3 (56-864)

OUR PRICE: $64.99

View item

Description


CTEK brand icon

Authorized dealer

Top Brand Trusted

CTEK supplies battery chargers to the most reputable Automotive and PowerSport manufacturers in the world and have encouraged customers to invest in these smart battery chargers to keep money in your wallet. These battery chargers are designed to regulate the amount of voltage in order to protect your electrical equipment while providing you with a significantly longer lasting battery.

12V Compact Battery Charger

The CTEK MULTI US 3300 is a compact multiuse battery charger that conveniently charges and maintains all household vehicles. The Multi US 3300 has a 4 step process to accurately read and communicate with your battery to avoid improper charging. This charger can be connected for months at a time making it ideal for motorcycles, lawn mowers, personal watercrafts and other vehicles up to 120Ah. The cold mode feature allows you to charge during extremely harsh winter conditions without any problems and is the most popular and versatile smarter charger within its class.

CTEK MULTI US 3300
  • 12V Smart Battery Charger
  • Output power is reduced at lower input voltage
  • Designed to charge 12V lead-acid batteries such as Wet, MF, Gel, (Absorbed Glass Mat (AGM) and Calcium from 12Ah to 75Ah (charging) and 12-120Ah (maintenance)
  • 1.3mA back current drain
  • 3.3A Max Charging Current
  • Four step fully automatic charging types with pulse maintenance modes; desulphation, bulk, absorption, and pulse charging
  • Special cold mode allows user to charge during cold winters days without problems
  • Compact design with mounting holes allows for permanent assembly
  • Charger may be connected for months making it ideal for motorcycles, cars, lawn mowers, jet skis and any other vehicle with batteries up to 120Ah
  • Includes two interchangeable connection leads, one with clamps, and one with eyelet terminals
  • 1-year Manufacturer's warranty

Product history:

CTEK 56-864 thumbnail
(newest, current model)
CTEK UPG No. 33106 thumbnail
(previous model, replaced by CTEK MUS 4.3 (56-864))

Specifications & Details


Battery Charger Specifications
Charger Type
12V Charger
Included Accessories
8.4mm Eyelet Adapter
Alligator Clamps
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

UPG No. 33106

Weight:

1.80lbs

Internal SKU:

cte-3300

Internal Product ID:

29046

Customer Ratings & Reviews



5 star
86%
4 star
14%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
4.7
Features
4.7
Design
4.9
Usability
5

Customer Reviews

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CTEK 3300 - Excellent Charger

The CTEK 3300 is used on a collectible car to maintain the battery and it works great. I've also used it on motorcycles, lawn tractors with good success. It is very easy to understand and use. I would recommend it for similar use.

By Lg on October 24, 2013

46

found this helpful.

Great Value!

Awesome product to keep my extra cars action ready. A similar product from Merecedes Benz costs twice as much. This one has more features and costs less.

By Craig on February 10, 2015

42

found this helpful.

CKEK 3300 Charger

I have over 10 of these units for all my cars. Half the price of the same unit with a car companies name on it. This is the exact same units as the one that came with my Porsche.
I received very fast delivery and will order more as needed from this company.
Thanks for the excellent service.

By Alanr on February 23, 2015

39

found this helpful.

I like it

Plugged it in. Works as advertised. Don't think about it much. It just hangs there doing its job.

By Black05 on December 27, 2011

38

found this helpful.

CTEK Multi US 3300 Carger

The best charger available. I have two of these and leave them connected to classic cars for months at a time so the batteries are always ready to go.

By Clive on September 6, 2012

34

found this helpful.

Good charger

Works well. Easy to use. Kept my Porsche battery charged all winter.

By Pat on June 15, 2012

35

found this helpful.

Excellent product!

Big things come in small packages for sure with this product! It's compact yet works like a charm. Extremely easy to use! Kept the battery in my Corvette Z06 maintained all Winter long while the car was in storage. Car started without hesitation in the Spring.

By Rolly on September 16, 2011

35

found this helpful.

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