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10 Best best battery charger for car

Welcome to our top 10 product reviews for best battery charger for car. We've scoured the market to bring you the best of the best, with products ranging from a 7.1 score up to a whopping 9.8 score!

Updated December 2025
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1
NOCO GENIUS10: 10A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries
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9.8
Exceptional

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NOCO GENIUS10: 10A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries

Main Highlights

MEET THE GENIUS10UK — Similar to our G7200UK, just better. It's 17% smaller and delivers over 115% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.

DO MORE WITH GENIUS — Designed for 6-volt and 12-volt lead-acid (AGM, EFB, Gel, SLA, VRLA, Start-Stop) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.

ENJOY PRECISION CHARGING — An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.

CHARGE FLAT BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.

BEYOND MAINTENANCE — Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.

RESTORE YOUR BATTERY — Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.

COMPATIBLE — Charges and maintains all types of vehicles, including cars, motorbikes, motorcycles, scooters, mopeds, lawnmowers, ATVs, quads, tractors, trucks, caravans, campervans, motorhomes, vans, boats, leisure, and more.

WHAT'S IN THE BOX — Includes a 10A charger, 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket, screws, and a 3-year warranty. Proudly designed in the USA.

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9.8
Exceptional
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2
Car Battery Charger 30A 12V/24V 15A Car Battery Charger Fully Automatic Intelligent Trickle Charger with LCD Display Charger for Car Motorcycle Batteries and 12V LiFePO4 Battery
9.6
Excellent

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Car Battery Charger 30A 12V/24V 15A Car Battery Charger Fully Automatic Intelligent Trickle Charger with LCD Display Charger for Car Motorcycle Batteries and 12V LiFePO4 Battery

Main Highlights

30A Car Battery Charger: The 12V/30A and 24V/15A fast car battery chargers charge much faster than 10A car chargers. Multi-stage charging processes with quick and trickle charging protect your battery.

Intelligent Digital LED Display: The LED screen displays the values of ambient temperature, voltage, current and remaining battery capacity. You can easily check the battery status.

Safety: This 30A car battery charger has multiple protection functions such as short circuit protection, overcurrent protection, cooling system and reverse polarity protection. The repair function activates batteries that have not been used for a long time, old batteries and batteries that cannot be charged.

0V start: When the battery is exhausted due to long-term use, repair mode can be used to repair the battery, and charging can be started when the voltage is low.

The car battery charger is suitable for 12V/24V 4Ah-300Ah lead acid batteries (AGM, GEL, SLA, VRLA). Suitable for most types of batteries, calcium batteries, gel AGM batteries, wet batteries and lead-acid batteries, 12V LiFePO4 batteries.

Note: The battery charger will automatically turn off when fully charged. It starts charging when the battery is below a voltage level.

The screen shows that 30A is the maximum current selected. Since this charger is a smart charger, it is normal for the charging current to fluctuate according to the different charging stages and battery power. This is to better maintain the battery life. For example, the current will gradually decrease when the first 15 minutes of charging is only 2.5A, or when the battery is more than 80% charged.

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9.6
Excellent
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3
NOCO GENIUS5: 5A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries
9.5
Excellent

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NOCO GENIUS5: 5A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries

Main Highlights

MEET THE GENIUS5UK — Similar to our G3500UK, just better. It's 34% smaller and delivers over 65% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.

DO MORE WITH GENIUS — Designed for 6-volt and 12-volt lead-acid (AGM, EFB, Gel, SLA, VRLA, Start-Stop) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.

ENJOY PRECISION CHARGING — An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.

CHARGE FLAT BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.

BEYOND MAINTENANCE — Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.

RESTORE YOUR BATTERY — Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.

COMPATIBLE — Charges and maintains all types of vehicles, including cars, motorbikes, motorcycles, scooters, mopeds, lawnmowers, ATVs, quads, tractors, trucks, caravans, campervans, motorhomes, vans, boats, leisure, and more.

WHAT'S IN THE BOX — Includes a 5A charger, 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket, screws, and a 3-year warranty. Proudly designed in the USA.

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9.5
Excellent
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bestBest value
4
NOCO GENIUS2: 2A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries
9.2
Very Good

Save £10.57

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NOCO GENIUS2: 2A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – For Lead-Acid & Lithium Batteries

Main Highlights

MEET THE GENIUS2UK — Similar to our G1100UK, just better. It's 30% smaller and delivers over 140% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.

DO MORE WITH GENIUS — Designed for 6-volt and 12-volt lead-acid (AGM, EFB, Gel, SLA, VRLA, Start-Stop) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.

ENJOY PRECISION CHARGING — An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.

CHARGE FLAT BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.

BEYOND MAINTENANCE — Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.

RESTORE YOUR BATTERY — Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.

COMPATIBLE — Charges and maintains all types of vehicles, including cars, motorbikes, motorcycles, scooters, mopeds, lawnmowers, ATVs, quads, tractors, trucks, caravans, campervans, motorhomes, vans, boats, leisure, and more.

WHAT'S IN THE BOX — Includes a 2A charger, 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket, screws, and a 3-year warranty. Proudly designed in the USA.

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9.2
Very Good
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5
HTRC 16A Car Battery Charger, 6V/12V/24V LiFePO4 Battery Charger, Battery Maintainer Trickle Charger for Boat, Motorcycle, Lithium, LiFePO4 and Lead-Acid(AGM, GEL, MF, EFB, SLA, WET)
9.1
Very Good

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HTRC 16A Car Battery Charger, 6V/12V/24V LiFePO4 Battery Charger, Battery Maintainer Trickle Charger for Boat, Motorcycle, Lithium, LiFePO4 and Lead-Acid(AGM, GEL, MF, EFB, SLA, WET)

Main Highlights

【16A Car Battery Charger】Trickle charger for car batteryr is only used for 6V/5A&12V/16A&24V/10A Lead-Acid Batteries (AGM, Calcium, GEL, MF, EFB, SLA, VRLA, WET), Lithium Batteries and LiFePO4 Batteries, please do not charge other battery types. It is widely used to provide safe and efficient charging for cars, motorcycles, boats, lawn mowers, etc.

【Battery Maintainer】Automatically detects battery sulfation and acid stratification, adopts latest pulse repair function to restore longer battery life. NOTE: Completely dead batteries cannot be activated or charged.

【Visualized Charging】6V/12V/24V LiFePO4 charger switch 4 modes with one button. With LCD screen, display battery voltage, charging current, charging temperature, full battery, etc. Automatically switch between summer and winter modes to adapt to the ambient temperature for optimal charging status.

【24V Forced Charging Mode】​When a 24V battery's voltage is too low, the charger may mistakenly identify it as a 12V battery. Press and hold the button for 3 seconds; the charger will emit a "bi bi bi" alarm. Release the button, then press and hold again for 3 seconds; the charger will sound the "bi bi bi" alarm once more. The charger will then successfully enter "24V Forced Charging Mode".

【Intelligent Protection】Spark protection, short circuit protection, reverse protection, undervoltage protection, overvoltage protection, overcurrent protection, overheating protection. Automatically identify the defective battery so you can replace it in time.

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9.1
Very Good
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Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched

Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched

6
10-Amp Car Battery Charger, 12V and 24V Smart Fully Automatic Battery Charger with Temperature Compensation for Car Truck Motorcycle Marine Lead Acid Batteries
8.8
Good

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10-Amp Car Battery Charger, 12V and 24V Smart Fully Automatic Battery Charger with Temperature Compensation for Car Truck Motorcycle Marine Lead Acid Batteries

Main Highlights

【10-AMP QUICK CHARGER】Battery Charger Car 12v 10-Amp and 24V 5-Amp 7-stage quick battery charger, charging speed is 30% faster than 8-Amp or 5-Amp automatic chargers. Charge or repair all 12-volt and 24volt lead-acid automotive, marine and deep-cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats marine, etc.

【8 CHARGING PROTECTION】Smart control, temp compensation in hot climates and under-charging in cold climates, reverse protection, cooling system, overcurrent, fireproof material, overvoltage, short circuit. Trickle charger with multiple protection ensure the safety charging at anytime anywhere. No worries.

【HIGH-EFFICIENCY PULSE REPAIR】Automatically detects battery sulfation and acid stratification, take newest pulse repair function to restore lost battery performance for stronger engine starts and extended battery life. Note: can not activate or charging totally dead batteries.

【VISUALIZED CHARGING】 Large LCD display the charging and battery status; charge voltage and current, inside temperature, charge percentage, summer mode, winter mode, etc. More convenient to use.

【PLUG AND PLAY】 no complicated steps, just plug and charge, stay at home and charge your batteries on your own. All-in-one battery solution as battery charger, battery maintainer, trickle charger, plus battery desulfator. The must-have tool for your garage. We provide 2 years warranty for this item, please feel free to contact us.

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8.8
Good
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7
PROFIKLA 12V/24V 8Amp Car Battery Charger, Automatic Smart Battery Charger with Intelligent Charges, Repairs, Maintains Lead Acid Batteries, Car, Motorcycle, Boat Mower Battery
8.6
Good

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PROFIKLA 12V/24V 8Amp Car Battery Charger, Automatic Smart Battery Charger with Intelligent Charges, Repairs, Maintains Lead Acid Batteries, Car, Motorcycle, Boat Mower Battery

Main Highlights

Wide Application: 8 amp battery charger maintains and charges all type of 12V and 24V lead-acid battery from 6Ah-150Ah (12V), 6Ah-100Ah (24V), including AGM, GEL, Calcium, MF, SLA, VRLA, WET batteries. Perfect for charging and repairing cars, trucks, motorcycles, lawn mowers, boats, SUV, ATV, etc.

Multiple Protection: Overvoltage protection, overcurrent protection, short circuit protection. Built-in a fan to prevent overheating while charging. Reverse polarity protection, wrong polarity connection prompt, spark-proof.

PLUG into Mains and Easy to Use: Simply PLUG into the mains to begin charging. The large LCD displays the charging and battery status, including battery power indicator, charge voltage and current, inside temperature, charging percentage, summer mode, and winter mode, making it more convenient to use.

6 Charging Mode: The smart charger can automatically detect outside temperature, then auto-switch between SUMMER or WINTER mode and self-appropriate reduce or raise the charging voltage. CAR/TRUCK mode (12V 8A / 24 4A) for fast charging big batteries, MOTORCYCLE mode (max 1.5A) for small batteries, AGM mode for AGM, and calcium batteries, REPAIR MODE for repairing old batteries.

Pulse Repair Function: The advance REPAIR mode can help to recover old/idle batteries and extend battery life. The high frequency and low-frequency pulse technology has good repair and activation effects. We provide 12-month warranty for this item, please feel free to contact us.

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8.6
Good
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8
Car Battery Charger 12V 6-Amp Fully Automatic Smart Charger and Maintainer, Car Battery Repair and Desulfator for Cars Boat Motorcycle Lawn Mower RV ATV SUV Snowmobile
8.4
Good

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Car Battery Charger 12V 6-Amp Fully Automatic Smart Charger and Maintainer, Car Battery Repair and Desulfator for Cars Boat Motorcycle Lawn Mower RV ATV SUV Snowmobile

Main Highlights

🔋【Compact, Robust & Durable 6Amp Battery Charger】The NEW version intelligent battery charger- Designed to charge and maintain 12V drained batteries, including lead-acid automotive,marine, deep-cycle.

🔋【3-in-1 Quick Battery Charger, Desulfator, Maintainer】The little handy battery charger tender works as 12V battery charger, battery desulfator, also battery maintenance charger, solve various battery problems; Pulse repair save your loss battery for stronger engine starts and extend battery life. Note: not all battery can be recovered, only use on Car or Motorcycle battery, it is not a jump starter.

🔋【Four Charge & Repair Modes for Most Batteries】①CAR Mode (Max. 6A to charge 12V car batteries including SLA/GEL/Wet/MF/Flooded/Deep cycle,Calcium); ②AGM Mode (Max. 6A , to charge 12V AGM batteries); ③ MOTO Mode (To charge motorcycle battery,max 1.5A ); ④REPAIR Mode (An advanced battery recovery mode for repairing and storing old, idle,damaged,stratified or sulfated battery).

🔋【Fully Automatic Charger with Multi-Protection】Automatic charging protects your battery from being overcharged. This battery chargers owns over voltage/over current protection,reverse polarity/short circuit protection, fireproof material,overheat protection. Automatically enters charging after fully charged, but not suggest to leave the charger connected to the battery indefinitely.

🔋【LCD Screen Display Provides Visualized Charging】Just plug and play, leave the car battery charger booster there for charging and maintaining your batteries, automatically detect battery voltage, battery sulfation and acid stratification. The smart digital LCD screen displays the charging status and battery status, charging voltage, current, power percentage. One button to select different modes.

🔋【A Must Have Portable Car Charger】The deep cycle battery charger performs well as lead acid battery charger, agm battery charger,auto battery charger, motorcycle battery charger, boat battery charger,etc. It has English manual of this car battery charger. If you have any questions, please contact us anytime, we will reply you soonest with a satisfactory solution.

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8.4
Good
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10Amp Car Battery Charger, 12V Automatic Smart Battery Charger/Maintainer with Temperature Compensation, Car Battery Repair and Desulfator for Car, Motorcycle, SUV, Lithium Batteries & AGM (red-1)
8.2
Good

Save £3

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10Amp Car Battery Charger, 12V Automatic Smart Battery Charger/Maintainer with Temperature Compensation, Car Battery Repair and Desulfator for Car, Motorcycle, SUV, Lithium Batteries & AGM (red-1)

Main Highlights

🔋【10 Amp Rapid Battery Charger】 12V 10 Amp Rapid Battery Charger, charge much faster than 8 Amp or 6 Amp auto charger. Ideal for charging cars, motorbikes, SUVs, trucks, farm vehicles, construction vehicles, dry cell batteries, water batteries, lead acid batteries, start-stop batteries, lithium batteries and more.

🔋【Efficient Pulse Repair Technology】 Adopting the latest pulse repair function, it automatically detects battery sulphation and acid layering to restore lost battery performance, thus improving engine starting performance and extending battery life. Note: If the battery can't be charged, please use the reconditioning mode first, and then choose other modes to charge after reconditioning

🔋【Intelligent 8 Protection】 This 10 Amp car charger has short circuit protection, overcurrent protection, overheat protection, fire protection, low voltage protection, overvoltage protection, reverse connection protection, and overcharge protection. The trickle charger's multiple protections ensure that you can use the battery charger safely.

🔋【Visual Charging】Large LCD screen displays charging and battery status, automatically stops charging when fully charged, and also detects seasonal temperature changes to adjust voltage and current. The LCD display can show charging voltage and current, internal temperature, charging percentage, summer mode, winter mode and so on. More convenient to use.

🔋【Plug and Play】 No complicated steps are needed, just plug it in and charge it, you can charge your battery without leaving home. Multi-functional battery solution with battery charger, battery maintainer, trickle charger and battery desulphator. A must have tool in your car. If you have any questions, you can contact us, we will help you within 24 hours.

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8.2
Good
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10
12V/6Amp Car Battery Charger, Smart Fully Automatic Battery Charger with Temperature Compensation for Most Types of Lead Acid Batteries, Red, AC Connection Required
8.1
Good

Save £3.55

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12V/6Amp Car Battery Charger, Smart Fully Automatic Battery Charger with Temperature Compensation for Most Types of Lead Acid Batteries, Red, AC Connection Required

Main Highlights

🚙Suitable for All Kinds of Vehicles: 6 amp battery charger maintains and charges all type of AGM, GEL, SLA, Flooded(WET), calcium type deep cycle automotive or marine 4Ah-100Ah 12V battery. Pulse repair function can help to repair your loss battery and extend battery life. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage.

🚙Multiple Protection for Your Battery: Built in circuit protection guards against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating. Avoid any dangerous situation. ideal for carefree long-term maintenance charging.

🚙Easy to use and Simple to connect: Clear positive and negative, easy to connect, and have reverse polarity protection. And with Intelligent Digital Display, displays charging status and battery status, charge voltage, charge current, etc.

🚙Intelligent Battery Maintainer: It provides constant voltage charge for optimal maintenance of the battery. And over-charge protection enables optimal battery charging without fear of overcharging.

🚙Pulse repair function can help to repair your loss battery and extend battery life. Note: It can not activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new. Although our charger built in circuit protection guards, but if your battery is to old or badly worn, please don't leave alone whole day or whole night whiling charging your battery.

🚙Kind Reminding: 1>Please read the instructions carefully before use. This product is limited to indoor use, beware of rain and explosion. 2>It is strictly prohibited to charge scrapped or non-lead-acid batteries. 3>High voltage inside, please don't open it for non-professionals.

🚙Kind Reminding: 4>If the plug or power cord is damaged, return to original factory, it may be replaced by a professional. 5>Before connecting or disconnecting the battery charger and the battery, the power supply should be disconnected first. 6>During charging, the charger is strictly forbidden to cover and should be kept away from open flames.

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8.1
Good
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