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(56-959) Silver MUS 4.3 TEST & CHARGE 12 Volt Fully Automatic Charger and Tester

(56-959) Silver MUS 4.3 TEST & CHARGE 12 Volt Fully Automatic Charger and Tester

Q: Looking for a battery recharger for the small 12 volt in Prius 2011. Will this work-- or is it overkill?

I can recommend this battery charger. The reason is that performance and usability are very good. I think it is a good choice to use even if you buy a large car.

Q: Alternator test work on motorcycles too?

Yes ... make sure the battery is fully charged so you won't get a false result. Switch the MODE button to alternator >> start the engine and hold it at 2000 rpm >> if it is charging less than 13.3V it will light up (BAD) >> 13.3V-14.0V (FAIR) >> and above 14.0V (OK).

Q: What is the difference of this one from model 56-864? They seem identical

model #56-864 doesn't check your Alternator to see if it is charging u battery

Q: Is this unit also good for trickle charge?

The product description and other web references say it will work as a trickle charger. In fact the unit goes into a trickle charge mode after it cycles through the battery tests and reconditioning steps. I have used it as a trickle charger for days in a row on a car that gets little use. So far I am satisfied with the product.

Product ID: 186350368

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Details

Brand
CTEK
Colour
Silver
Product dimensions
10.2D x 10.2W
Item weight
1.9 Pounds
Output voltage
12 Volts

⚡8-step smart charging

🔋up to 160Ah battery capacity

🛡️spark-free & reverse polarity safe

Frequently Bought Together

CTEK 4.3 Test & Charge, 12 Volt Fully Automatic Charger with Unique Battery and Alternator Testing, Ideal for Long Term Storage

CTEK (56-304) Comfort Connect Extension Cable, 8.2 Feet

CTEK Connect CIG Plug, Permanent Connection for Hard-to-Reach Batteries, Easy Connection to Your CTEK Battery Charger Using The Vehicle 12V Accessory Sockets, for Cars, Motorcycles & Other Vehicles

Description

🔌 Charge smarter, drive stronger — never get caught powerless again!

SAFETY FIRST DESIGN - Spark-free operation and reverse polarity protection guarantee user and vehicle safety every time.
DUAL DIAGNOSTIC POWER - Tests both battery and alternator condition to keep your vehicle’s electrical system in check.
PLUG PLAY SIMPLICITY - Set your mode and forget it—automatic charging and testing with zero hassle.
COMPLETE BATTERY REVIVAL - Patented system recovers & maintains all lead-acid batteries for peak performance and extended lifespan.
8 STEP PRECISION CHARGING - Float and pulse maintenance ensures your battery stays healthy even during long inactivity.

The CTEK Silver MUS 4.3 is a fully automatic 12V battery charger and tester designed for all lead-acid battery types up to 160Ah. Featuring an 8-step patented charging process, it safely recovers, charges, and maintains batteries while testing both battery and alternator health. With spark-free operation, reverse polarity protection, and simple plug & play use, it ensures maximum battery life and vehicle electrical safety. Backed by a 5-year warranty, it’s the ultimate tool for professional-grade battery care.

Specifications

Package Dimensions L x W x H	28.2 x 15.1 x 6.5 centimetres
Package Weight	0.88 Kilograms
Product Dimensions L x W x H	10.2 x 10.2 x 1.3 centimetres
Item Weight	1.9 Pounds
Brand	CTEK
Colour	Silver
Included components	1 CHARGER, CLAMPS, EYELETS
Part number	56-959
Size	56-959
Warranty description	5 Year Warranty
Style	CTEK MUS 4.3 Test & Charge, 12V Battery Charger, Battery Tender Charger, Battery Maintainer, Car And Truck, Battery And Alternator Testing, Battery Desulfator, Reconditioning Mode And Snowflake Mode
Guaranteed software updates until	unknown

Have a Question? See What Others Asked

Looking for a battery recharger for the small 12 volt in Prius 2011. Will this work-- or is it overkill?

Alternator test work on motorcycles too?

What is the difference of this one from model 56-864? They seem identical

Is this unit also good for trickle charge?

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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