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Schumacher Electric SC1281 Fully Automatic Battery Charger and Jump Starter for Car, SUV, Truck, and Boat Batteries, 100 Cranking Amps, 30-Amp Boost Mode, 6 Volt, 12 Volt, Black

4.5 4.5 out of 5 stars 10,996 ratings
$122.87
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Purchase options and add-ons

Brand Schumacher
Color Black
Product Dimensions 10.25"D x 10"W x 7"H
Item Weight 12.65 Pounds
Input Voltage 120 Volts

About this item

  • POWERFUL PERFORMANCE: The Schumacher SC1281 delivers 100A engine start, a 30A boost, and 6A<>2A charge/maintain rates; Strong enough for cars, SUVs, and trucks
  • 30A BOOST MODE: The boost modes quickly bring deeply discharged batteries back to life
  • ADVANCED DIAGNOSTICS: A built-in battery and alternator tester determines charge level and helps diagnose electrical problems
  • FULLY AUTOMATIC: The charger features multi-stage charging, bad battery detection, float mode monitoring, and reverse hook-up protection
  • ADVANCED CHARGING ALGORITHM: Multi-stage charging employs an advanced algorithm to maximize battery charge, health, and lifespan
  • FLOAT MODE MONITORING: While in float mode, a battery charger and maintainer delivers a small current when necessary to keep the unit fully charged
  • CHARGES MOST BATTERIES: The Schumacher SC1281 will charge standard, AGM, gel, and deep-cycle batteries
  • Multi-stage charging for added precision, safety, and battery life
› See more product details

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From the brand

From the manufacturer

Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger
Fully Automatic Jump Starting

Jump Start, Boost, Charge, and Maintain

The Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger is designed for heavy-duty charging needs with 100A of jump starting power, built-in diagnostics, and sturdy construction. It also features 30A boost, 6A charge, and 2A maintain rates.

Advanced Battery Charging Technology

Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger

FULLY AUTOMATIC

The unit will automatically detect when a battery is fully charged. It will then halt charging and shift to maintain mode.

Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger

ADVANCED DIAGNOSTICS

The integrated battery and alternator tester lets users determine their battery’s charge level and will help diagnose vehicle electrical problems.

Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger

BUILT-IN SAFETY

Protect your battery and the SC1281 with reverse hook-up protection, which prevents damage if the clamps are reversed.

Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger

MULTI-STAGE CHARGING

The SC1281 uses an advanced charging algorithm designed to keep your battery in top condition and extend its lifespan.

Schumacher SC1281 100A 6V/12V Jump Starter and Battery Charger

Will this charge a completely dead battery?

Yes, the SC1281 will charge a completely dead battery, unless the battery is bad. If you are using the engine start feature, we recommend first using the boost mode to quickly add energy to the battery.

Does this unit have internal batteries or is it powered by AC?

The SC1281 does not have an internal battery. It must be plugged into any AC outlet before charging will start.

Will the SC1281 desulfate a battery?

Yes, the SC1281 has an automatic desulfation mode. If the battery requires desulfation, the unit will automatically switch to desulfation during charging. Desulfation can take up to 10 hours.

Does the SC1281 use multi-stage charging?

The SC1281 is controlled by a microprocessor that employs an advanced charging algorithm to optimize battery health. This passes through several stages including bulk mode, absorption, float mode, and maintain mode.

What does 6A<>2A mean?

When the 6A<>2A charge rate is selected the SC1281’s microprocessor will automatically adjust the amperage between 6A and 2A as need to fully charge the battery and then maintain the charge.

Power. Quality. Durability.

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Customer Reviews
4.5 out of 5 stars
10,996
—
4.3 out of 5 stars
1,577
—
4.2 out of 5 stars
194
Price
$122.87 — $99.99 — $97.44
Engine Start
100A 50 cranking amps 100 cranking amps 85 cranking amps 80 cranking amps
Boost
30A 10A 30A 30A 20A
Charge/Maintain
6A<>2A 6A<>2A 6A<>2A 6A<>2A 6A<>2A
Voltage
6V | 12V 12V 6V/12V 6V/12V 12V
Battery Types
Standard, AGM, Gel, Deep-cycle Standard, AGM Standard, AGM, Gel, Deep-cycle Standard, AGM, Gel, Deep-cycle Standard, AGM, Gel, Deep-cycle
Display Type
Digital display LED indicators Digital display Digital display LED indicators
Reverse Hook-up Protection
Yes Yes Yes Yes Yes
Battery/Alternator Tester
Yes No Yes Yes No

Product Description

Every well-equipped home garage needs a powerful and reliable battery charger and jump starter. The Schumacher Electric SC1281 100-Amp 6-Volt/12-Volt Fully Automatic Battery Charger and Jump Starter is the perfect addition to any garage currently without one. With the Schumacher SC1281, you can perform diagnostic testing, jump starting, battery charging, and battery maintaining. Powerful enough to start SUVs, trucks, and other large batteries, the SC1281 delivers a 100 cranking amp engine start, 30-amp boost, and 6-amp<>2-amp charge/maintain rates. The Schumacher SC1281 also includes an integrated battery and alternator tester, which determines charge level and assists in diagnosing electrical problems. Fully automatic, the Schumacher SC1281 is controlled by a microprocessor, which employs an advanced multi-stage charging algorithm, auto voltage detection, and float mode monitoring. As a safety measure, the unit includes reverse hook-up protection, which prevents the charger from operating if the clamps are reversed. Other features include a digital display, LED indicators, push-button controls, and wrap cleats for convenient cord storage. En español (ES): Todo garaje doméstico bien equipado necesita un cargador de baterías y arrancador potente y confiable. El cargador de baterías y arrancador totalmente automático Schumacher SC1281 de 100A y 6V/12V es la adición perfecta a cualquier garaje que no lo tenga. Con el SC1281 de Schumacher, puede realizar pruebas de diagnóstico, arranques, carga y mantenimiento de baterías. Con potencia suficiente para arrancar vehículos utilitarios deportivos, camiones y otras baterías de gran tamaño, el SC1281 ofrece arranque de motor de 100 A, refuerzo de 30 A y niveles de carga/mantenimiento de 6 A<>2 A. El Schumacher SC1281 incorpora también un probador de baterías y alternadores que determina el nivel de carga y ayuda a diagnosticar problemas eléctricos. Totalmente automático, el Schumacher SC1281 es controlado por un microprocesador que emplea un avanzado algoritmo de carga multietapa, detección automática de voltaje y monitoreo en modo de flotación. Como medida de seguridad, la unidad incluye una protección de conexión inversa que impide que el cargador funcione si las pinzas están al revés. Otras características incluyen una pantalla digital, indicadores LED, botones de control y ganchos para enrollar cómodamente el cable.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here. [PDF ]

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Schumacher Electric SC1281 Fully Automatic Battery Charger and Jump Starter for Car, SUV, Truck, and Boat Batteries, 100 Cranking Amps, 30-Amp Boost Mode, 6 Volt, 12 Volt, Black

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What's in the box

  • (1) Schumacher SC1281 (1) manual

    • Product guides and documents

    Instructions for Use (IFU) (PDF)
    User Manual (PDF)

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    Price$122.87$149.76$23.98$29.99$129.95-17% $49.99
    List: $59.99
    Delivery
    Get it as soon as Thursday, May 9
    —
    Get it as soon as Thursday, May 9
    Get it as soon as Thursday, May 9
    Get it as soon as Thursday, May 9
    Get it as soon as Thursday, May 9
    Customer Ratings
    4.54.5 out of 5 stars10,996
    4.44.4 out of 5 stars262
    4.54.5 out of 5 stars214
    4.44.4 out of 5 stars7,352
    4.44.4 out of 5 stars296
    4.54.5 out of 5 stars228
    Value for money
    4.5
    4.2
    4.0
    4.3
    3.8
    4.6
    Easy to use
    4.4
    4.5
    —
    4.4
    3.9
    4.7
    Versatility
    4.6
    —
    —
    4.3
    3.9
    4.5
    Safety Features
    4.3
    4.1
    4.0
    4.1
    —
    —
    Sold By
    Amazon.com
    Amazon.com
    Amazon.com
    YONHAN
    TowerTop-US
    NEXPEAK POWER
    input voltage
    120 volts
    120 volts
    12 volts
    110 volts
    120 volts of alternating current
    110 volts of alternating current
    weight
    12.65 pounds
    —
    1.25 pounds
    1.34 pounds
    5.05 pounds
    —

    Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    10,996 global ratings

    Customers say

    Customers like the ease of use, value, power, appearance and diagnostic accuracy of the battery charger. For example, they mention it's super easy to use, has a decent 100-amp emergency jump start and 30-amp boost charge. That said, they also like the quality, performance, and diagnostic ability. Opinions are mixed on portability.

    AI-generated from the text of customer reviews

    909 customers mention648 positive261 negative

    Customers like the quality of the battery charger. They say it's built well, dependable, and has good features. Customers also mention that it brings the battery back alive in just a few hours and provides a 100 amp battery boost.

    "...It also provides a 100 amp battery boost which is the equivalent of a "jump start" to start a near dead car battery immediately if you are close..." Read more

    "...You can make alternate selections if you choose. Product is well built and looks like it will last, since it survived shipping... Good value for the..." Read more

    "...due to the -15 winter after a 120+ summer... wrong, the charger just wasnt working anymore... even though autozone was telling me dead cells but hey..." Read more

    "...shutoff which is helpful for the novice user and prevents damage to the battery from overcharging...." Read more

    645 customers mention464 positive181 negative

    Customers like the performance of the battery charger. For example, they say it works well, has a lot of functions, and is virtually idiot proof. That said, some say it's great for a battery tender and works great on automatic.

    "...Was worried about condition, but it works fine. Charger is very easy to use. Hook it up, plug it in, and it will charge on it's own...." Read more

    "...Easy to use, easy to chargeFeature packedMaintainer works greatCan do diagnostics on battery and alternatorCons:..." Read more

    "...The paper manual is particularly poor. It does not state the model of the charger or even the manufacturers name...." Read more

    "...features I'm more of a manually set things person but it does very well...." Read more

    429 customers mention368 positive61 negative

    Customers find the battery charger easy to use. They mention that the controls are easy to understand, and the unit is plug and play. Some say that the whole set up was spot on, safe, and mission accomplished.

    "...Other than that this battery charger is very easy to use, reads out the charging current and battery voltage and even estimates how much the battery..." Read more

    "...Was worried about condition, but it works fine. Charger is very easy to use. Hook it up, plug it in, and it will charge on it's own...." Read more

    "...The user guide was helpful, and explained the charging process and how long I needed to wait and what the various indicator lights mean during the..." Read more

    "...specifically for something that was powerful, feature filled and easy to use, especially since someone in the family might need to deal with the..." Read more

    199 customers mention159 positive40 negative

    Customers like the value of the battery charger. They say it's a great combo charger for the price, and worth the money spent. Some mention it has good safety features.

    "...and looks like it will last, since it survived shipping... Good value for the money and would recommend based on charging options, quality, and price." Read more

    "...The cost was worth it to me as I can use this as long as I park outside in the colder months and not worry about a jump start." Read more

    "...I may have left a light on, but I'm glad this item is cheaper than a tow truck. I have a charger in case a car runs out of juice ever again...." Read more

    "...I could of ordered a cheaper charger but I think it was well worth the money I paid for it." Read more

    94 customers mention70 positive24 negative

    Customers like the diagnostic accuracy of the battery charger. For example, they mention it's helpful, it lets them know the percentage of the charge as it is charging, and it works flawlessly. Some appreciate the automatic sensing of amount of charge and shuts itself off when battery is charged. It measures the battery, selects the correct voltage and charge amperage, and provides a lot of information about the battery. It's easy to use and reads out the charging current and battery voltage.

    "...Other than that this battery charger is very easy to use, reads out the charging current and battery voltage and even estimates how much the battery..." Read more

    "...I really like the diagnostics mode which tells you if the battery or alternator is bad as well as it can bring back nearly dead batteries back...." Read more

    "...It has a % charge indicator on the display, but I have never seen it display the % charge...." Read more

    "...for a $100 charger that weighs ten pounds, it does seem to have the amperage output advertised...." Read more

    76 customers mention63 positive13 negative

    Customers like the power of the battery charger. They mention it has high-power starting even on older/out of tune engines, a decent 100-amp emergency jump start, and 30-amp boost charge. They also appreciate the fast charging and the 100 amp jump start feature as a safer alternative to vehicle.

    "...I was looking specifically for something that was powerful, feature filled and easy to use, especially since someone in the family might need to..." Read more

    "...It has fast charging,100 amp engine starting, maintaining a battery etc. It's much better than my old cheap charger that died." Read more

    "...This SC1281 charger has a decent 100-amp emergency jump start and 30-amp boost charge capability...." Read more

    "...love the 100 amp start feature, it works amazing" Read more

    65 customers mention50 positive15 negative

    Customers like the appearance of the battery charger. For example, they say it has a great design, is easy to carry, and does the job. Some mention that the LED display is nice and takes the guesswork out of the way. Overall, most are satisfied with the appearance and functionality of the product.

    "Perfect!" Read more

    "...Very happy and it it last half as long as its predecessor, whom ever gets it after me will get good use out itSchumacher is the way to go...." Read more

    "Easy to use,clamps ok not great, quite, a little big, looks good, so far so good" Read more

    "...However, the red and black cable clamps on this unit look and feel cheap. They get the job done...." Read more

    71 customers mention44 positive27 negative

    Customers are mixed about the portability of the battery charger. Some mention it does the job, has some weight to it, and is not burdensome to carry or use. However, others say that it's a little heavy to carry if you are a smaller person.

    "...The battery charger is also very rugged and, of course, quite heavy too. If you drop it, no worries...." Read more

    "...The Schumacher Electric SC1281 was a little heavy to carry if you are a smaller person, but the case has a handle so it is kind of a wash for the..." Read more

    "...Even though this is a good size and has some weight, it is not burdensome to carry or use as it has a nice ergonomic carry handle...." Read more

    "It was better than I imagined. Very impressed. Has some weight to it and the charging clip ends are big!!" Read more

    Wanted To Give 5 Stars, But A Loud Buzzing Noise...
    4 Stars
    Wanted To Give 5 Stars, But A Loud Buzzing Noise...
    Thought buying it in "Like New" condition from Amazon.com Services, Inc wouldn't be risky, but once I attached it to a battery and plugged it in and heard the loud BUZZING noise, I had to call Schumacher's Tech Support to ask if that was normal. They listened on speakerphone before asking how old it was. I said brand new to me, but sold as "like new." Was told to return it, should be much quieter than that. Then I read in the manual it says not to operate it if it's received a sharp blow or been dropped - maybe it took a hit during shipping? I don't know, but thank you, Schumacher Tech Support, for being there, and Amazon, for refunding me.
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    Top reviews from the United States

    Tim Schmerbeck
    5.0 out of 5 stars works GREAT, will charge a completely dead battery
    Reviewed in the United States on March 11, 2024
    Verified Purchase
    I bought this battery charger because my previous, very old, charger finally stopped working. I purchased a different battery charger first but then realized that it would NOT charge a completely dead battery. This was one of the very few battery chargers on the market that will charge a completely dead battery. A battery charger that won't do this is worthless to me as I usually only get out my battery charger when I have a dead battery. Other than that this battery charger is very easy to use, reads out the charging current and battery voltage and even estimates how much the battery is charged. It will automatically shut off when the battery is fully charged as well. When it detects that the battery is "sulfated," a condition where a battery will not charge properly, it goes into a mode to repair the battery. This is very handy for older batteries. It will charge as low as 2 amps to maintain a battery in storage and as high as 30 amps for a very fast charge. It also provides a 100 amp battery boost which is the equivalent of a "jump start" to start a near dead car battery immediately if you are close enough to a power plug to plug it in. The battery charger is also very rugged and, of course, quite heavy too. If you drop it, no worries. It has some advanced features to diagnose a bad car alternator but I have not used this yet.
    9 people found this helpful
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    Bubblehead
    5.0 out of 5 stars Schumacher Electric SC1281 Battery Charger
    Reviewed in the United States on April 18, 2024
    Verified Purchase
    Arrived on time, but was loosely packed in box. Was worried about condition, but it works fine. Charger is very easy to use. Hook it up, plug it in, and it will charge on it's own. You can make alternate selections if you choose. Product is well built and looks like it will last, since it survived shipping... Good value for the money and would recommend based on charging options, quality, and price.
    One person found this helpful
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    Grant Hamilton
    5.0 out of 5 stars Brought My Battery Back To Life
    Reviewed in the United States on April 21, 2024
    Verified Purchase
    I am in no way a mechanic, but I like to read and try to solve my problems if possible. I've had some issues with my foot and have not been able to drive for several months. While I was in the hospital my battery completely died. I have been experiencing issues each winter with the cold since I park outside and the cold weather drains the battery. Previously I was able to jump start the battery without issue.

    My soon to be son-in-law installed a new battery and I would start my car every couple of days. In the last cold stretch I did not make it out to start my car for a week and the battery died again. I did my research and found that the Schumacher Electric SC1281 would recharge my battery and also test out my alternator. I found this helpful although I did not expect my alternator to need replacing since it has not been that long since it was replaced.

    The Schumacher Electric SC1281 was a little heavy to carry if you are a smaller person, but the case has a handle so it is kind of a wash for the portability. Make sure to have a long extension cord as you will need to plug in the charger to an outlet. The clamps are marked with the positive and negative symbols so it is easy for a novice to use. Turn on the charger and the device will automatically detect the battery type that needs the charge.

    The user guide was helpful, and explained the charging process and how long I needed to wait and what the various indicator lights mean during the charging process. The Schumacher Electric SC1281 has an automatic shutoff which is helpful for the novice user and prevents damage to the battery from overcharging.

    Also, the Schumacher Electric SC1281 solves my cold weather problem in the winter. The device also provides a trickle charge if plugged in overnight in cold weather. From what I have read, in simple terms a trickle charge means the device will give the battery enough of a charge to prevent dying in cold weather. Of course, I might win the lottery and move to Arizona before the next winter hits. Hey, a person can dream right?

    In summary, the Schumacher Electric SC1281 brought back my relatively new battery from the dead after a cold spell and I can use this to make my life a bit easier in the cold weather from this point forward. The cost was worth it to me as I can use this as long as I park outside in the colder months and not worry about a jump start.
    One person found this helpful
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    J. Myers
    4.0 out of 5 stars Voltage is weird; instructions inadequate
    Reviewed in the United States on October 16, 2020
    Verified Purchase
    I'm charging a 12v long-dead battery still in the car. There are NO instructions as to how to get the charger into desulphating mode, nor how to gently charge a long-dead battery. Without pressing any buttons, when the cord's hooked up, the unit drops almost immediately into 30A Boost / AGM battery / Charging mode, it seems without waiting 30 seconds (11.Power-up AutoStart) or 10 minutes (11.9) like the manual claims [update: for the other car I timed it. Now it's 30 sec. Subjective error, or?]. Then the unit readout says it's charging at 12 volts. But the actual charge at the terminals, while charging, with the clamps hooked up, is 15.5 volts. Maybe this is needed to kick-start the battery. I don't know. We'd need a chemical engineer battery specialist to cover this. But for a car electric system designed for 12 volts, it makes me feel uncomfortable that it might not be healthy for the car/battery.

    So I switched from 30A Boost to 6-12A Charge. Currently [har,har] the battery is charging at 13.8v, varying in a pulsing wave down to a couple volts every few seconds. Maybe this is finally the desulph mode, who knows.

    --Unit should reflect actual voltage at the terminals, not ideal desired voltage, while charging. Or at least alternate between the two of them, along with percent.

    --Percent charge seems way off, again reflects surface charge, not the deep state of the charge.

    --Manual needs clear instructions as to how best to recharge a drained battery, for the following two cases: (1) you care about the health of the battery, and want to renew it and get it up to speed, gently, safely, no matter how long it takes; (2) you don't care about damaging the long-term health of the battery, and want to charge it as fast as possible. These are complete opposites. Second one is probably covered by BOOST, but should mention you're going to keep damage on the battery. First one, the most likely scenario in '20 COVID with unemployment and folks not being able to afford a new battery, needs to be covered clearly in the manual and on Amazon.

    --Manual clearly says "if START button is not pressed within 30 seconds, but a battery is properly connected, the unit will automatically switch to CHARGER mode." If my observation was correct, this language should be edited to something like "...will automatically switch to CHARGER mode sometime within that 30 seconds." I could be wrong.

    --Manual and Amazon instructions need more discussion about how excess voltage is necessary to pack electricity into a battery that's trying to push it OUT by its own self; how high this voltage can get; why it's not being reflected in the machine display; and steps taken by the manufacturer to avoid excess battery overcharging, also overheating.

    --Note a very-fast-charged battery will maintain relatively high voltage on the surface terminals for a while, but not have a strong charge on the deep parts. It all depends on the amount of amp-hours you push into it. Voltage is like the water-pressure on a hose, while amp current is the flow rate in "gallons" of electrons, basically how fat the hose is. You can have a high-pressure waterpik or power scrubber with a tiny diameter, that really pushes the water out hard, but not a lot of it. That's high voltage, low amp current, like most of the dinky 0.5A chargers on the market. You can have a fat firehose turned on low that gives you lots of gallons but no pressure. That's what you want normally, that's high amps and low voltage. Fills up your battery reasonably fast. A 30A system at 15 volts is 450 watts, that's half a hairdryer, that's a firehose turned on medium high. Good for filling up a bucket fast, but you wouldn't shower your aging grandmother with it. A compact car might have a 70 amp-hour battery, so if it's almost half-drained to 40 AH remaining, the 30A boost will take an hour to top it off. And if it's almost completely dead at only 10AH left, the 30A boost might in theory take 2 hours to fill it (30 + 30), back of envelope estimate, ignoring "stadium-filling" charging effects. But I'm not sure how good that is for the long-term health of an aging battery. So I'd really appreciate clear step-by-step instructions on how to desulphate a battery with this unit. Thanks so much.
    79 people found this helpful
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    Top reviews from other countries

    Amazon Customer
    1.0 out of 5 stars NO UK PLUG PROVIDED... THOUGHT THIS WAS ILLEGAL...AND DEFINITELY DANGEROUS
    Reviewed in the United Kingdom on May 5, 2022
    Verified Purchase
    Personally would avoid.... surprised Amazon and Seller were allowed to sell this product. No suitable plug provided for the UK, not even sure if this is legal given the electric current difference. Bonafide sellers have always advised not to use USA electrical products in Europe. Shocking. Amazon helpline offered no solution or answer... also had awful time returning the product.
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    jacek
    5.0 out of 5 stars For many purposes devices
    Reviewed in Canada on March 12, 2024
    Verified Purchase
    Small and power
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    Maria
    1.0 out of 5 stars This is not UK Compatible!!!!!! US plug.
    Reviewed in the United Kingdom on September 7, 2022
    Verified Purchase
    I would like Amazon to pick this up asap at their expense, VERY MISLEADING!
    One person found this helpful
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    Amazon Customer
    4.0 out of 5 stars it will work
    Reviewed in Canada on December 4, 2022
    Verified Purchase
    for a small battery charger, it is the cats meow, nice tool. A very short learning curve to use it correctly.
    All is good.
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    JERMAINE DUFFUS
    1.0 out of 5 stars Disappointing
    Reviewed in the United Kingdom on December 30, 2021
    Verified Purchase
    Had a Schumacher charger for years which developed a fault.
    Brought this one but very disappointed as it woul not charged my battery and had to send it back.
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