YONHAN Battery Charger 10-Amp 12V and 24V Fully-Automatic Smart Car Battery Charger, Battery Maintainer Trickle Charger, and Battery Desulfator with Temperature Compensation
Condition: New
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Availability:
In Stock.
Arrives
Sunday, May 10
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Features
- [All in One, Keep your battery charged and your car ready to go] This compact yet powerful 10-Amp 12V/24V smart battery charger is a versatile all-in-one solution, functioning as a charger, maintainer, trickle charger, and desulfator. It works with all 12V and 24V lead-acid batteries, including AGM, GEL, SLA, and Flooded types, for vehicles like cars, trucks, SUVs, motorcycles, lawnmowers, and boats. Note: For 12V/24V automotive or motorcycle batteries only. Not suitable for RC LiPo batteries or laboratory use.
- [Your Ultimate Winter Car Battery Companion] This smart car battery trickle charger has winter and summer modes to adjust charging based on temperature, preventing battery drain. It includes safety features like reverse polarity protection, overcharge protection, and short circuit prevention, ensuring safe and reliable charging. Perfect for keeping your car battery charged during cold winters or long breaks.
- [Enjoy Precision Charging, Your car deserves the best] This automotive battery charger has a backlit LCD that shows voltage, current, power percentage, temperature, and mode settings, making it easy to check your battery's health. It includes a thermal sensor to adjust charging, preventing overcharging in heat and undercharging in cold. The charger remembers your last mode and defaults to it after a power outage.
- [Restore your Battery, Don't let a dead battery ruin your plans] This battery charger includes an advanced repair mode to revive old or idle batteries and extend their lifespan. Use repair mode if the battery won't charge normally. Its high and low-frequency pulse technology helps restore and activate batteries, but it won't work on completely dead, damaged, or lithium batteries. Input line length:90cm, Output line length:65cm
- Note: 1. Our product is a car battery charger that requires connection to a power outlet for operation. 2. Regarding the power plug not making contact, this could be due to dirty battery terminals, loose clamps, or size mismatch. Please clean the terminals and ensure a firm connection. 3. This car battery charger cannot charge batteries voltage below 0.3V or batteries that are already damaged. 4. Always check your battery's voltage before attempting to charge. 5. If the battery indicator icon on the charger's display is flashing empty, this indicates that no battery has been detected, and charging will not be possible.
- [Trickle charge mode switch] If you want to trickle charge your battery, you can switch to motorcycle mode after the battery is fully charged. This mode is compatible with the voltage monitoring mode, which keeps the battery voltage at least 12V at all times, keep batteries stay charged for a long time.
Brand: YONHAN
Color: Red 10A
Product Dimensions: 2.4"D x 6.2"W x 3.7"H
Item Weight: 1.3 Pounds
Output Voltage: 12 Volts (DC)
Output Voltage: 12 Volts (DC)
Input Voltage: 110 Volts (AC)
Current Rating: 10 Amps
Amperage: 10 Amps
Connector Type Used on Cable: Battery Clamps
Number of Ports: 2
Item Dimensions D x W x H: 2.4"D x 6.2"W x 3.7"H
Item Weight: 1.3 Pounds
Color: Red 10A
Brand: YONHAN
Mfr Part Number: RJ-C121001A
UPC: 679264976743
Manufacturer: YONHAN
Model Number: RJ-C121001A
External Testing Certification: Não Aplicável
Item Type Name: Car Battery Charger
Warranty Description: 2 year Manufacturer
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, May 10
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I used this charger after my old one blew out charging a 12V gel battery. It works fine, has a nice status display and did a nice quick job getting my battery up to snuff.
Reviewed in the United States on April 21, 2026 by ontime9
Worked great out of the box. Charged a battery that was dead for months. Lightweight, small form, and extremely easy to use.
Reviewed in the United States on April 18, 2026 by BussTechnology
I have purchased several of these chargers so that I can basically leave them as trickle chargers on a couple of my vehicle batteries. They are quick and easy to connect properly and do a very good job of bring your batteries up to their full potential. Understand that you cannot charge a completely dead battery. There must at least a small amount of juice left in the battery for the charger to start its programming. It's been about a year and a half since I bought my first one of these. It has continued to function very well so I'd say the quality and dependability are great with these chargers. So I recommend them if you want a quick and easy to use charger for your vehicle batteries.
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Reviewed in the United States on January 21, 2026 by Old Wrench
We bought this so that we can charge our scooter on the go and it works like a dream. Its small lightweight durable fast charge and multipurpose battery lasts forever. And it’s super cool because the jumper cables come attached to it already. You can use it for more than one purpose and it connects really easy. I’m a girl so it’s hard for me to do things like that even I can handle it.
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Reviewed in the United States on March 19, 2026 by jazzie
returned home after 6 months to a TOTALLY dead battery in my car. trickle/maintainer chargers wouldn't engage, need a smart charger with 'repair' mode. paid $5 for 3 hour delivery, it came in 2. 3 hours of 'repair' mode later, my car started. charged the battery overnight in 'standard' mode. all is good. very pleased.
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Reviewed in the United States on April 14, 2026 by ricky ricardo
My 6-year-old Audi Q5 can start OK, because it has a strong starter (has auto start/off) but because of it's low state of charge, that function no longer works. I bought a trickle charger before this one which charged well on a 2019 Corolla that's being driven very little and infrequent but not on my 2018 Audi Q5. That other trickle charger charged my battery from 11.7 to 11.9V. I bought this charger due to it has a separate mode for AGM and Repair because my Audi battery is AGM. FYI, manual says you need to wait at least an hour from the last usage of your battery. So, I first charged it in the AGM mode and the display went from 50% to 100% in only 10 minutes but the voltage only improved to 12V. Yesterday I put it on repair mode, and it took 8 hours to show full. I did not wait for it to turn off by itself. The battery now has improved from 12V to 12.55V; from 50% to 80% capacity on a 6-year-old large AGM battery. I did not bother to remove the power cords due to my bad back and the battery is situated in the trunk all the way behind the backseat. Luckily it does not appear to cause any damage to my car. During the repair mode, I monitored the battery temperature with my laser thermometer; the charger nor the battery did not get warm and stayed in the low 70's. PROS: 1) Has separate AGM and Motorcycle and repair mode. 2) Great LCD lighted display will show the battery level when you hook it up even before you plug in the power cord. It will also show charger temperature, charging current & status, battery voltage & etc. 3) Smart charger has a built-in fan to stay cool and it will alter the charging power with respect to the battery status. It will start out slow and rarely goes to the full 10A, then it will decrease the power when you reached half full then even lower at 75%. Even when it's @100% charged, it will trickle charge to the max then turn itself off (fan off but light still on) and display OFF. 4) Great repair mode that reconditioned my 6 year old AGM battery from 50% to 80% capacity. 5) Very good price; I paid $24 shipped. CONS: 1) Very short cord, you will need an extension cord. But it's no big deal. 2) Per owner's manual, in Motorcycle mode, it will charge battery to full then turn off and turn back on when voltage drops below 12.5V. But does that mean you cannot maintain your battery in the other modes? It also states not to leave the charger unattended over 12 hours. Therefore, I don't think this is a battery maintainer which is fine for me. ................................................................ With this battery charger, I can charge my batteries before and after I go on a vacation and let not my batteries charge level go down too low thus prolongs the life of my batteries. I only had it for a week and so far, I am very happy about this product. I will update if the charger quit or have some problems.
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Reviewed in the United States on December 21, 2023 by Humble Bear
Absolute value for money. Great product. I got it on a deal. If you want to repair/charge your battery and don't want to pay what NOCO charges. Go for this one. I was able to repair my 6 year old battery and raise the resting voltage from 12.6 to 12.6 volts. However instruction manuel is wrong. You have to select charging mode first while connected to the battery before connecting it to the power/wall outlet. Literally wrong instructions that can damage battery and cause unnecessary sparks. 👇 1. Connect charger to the battery terminals correctly. 2. Charger screen will turn ON. Select the desired mode for your battery. 3. Now, plug it into the power outlet.
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Reviewed in the United States on February 17, 2026 by PS
Bought this just from what the description of it claimed to do, and to my surprise it actually works fantastically. I had a car I don't drive much sitting for a long time hadn't started it for awhile when I needed to use it of course the battery was dead. So I bought this to see if it could rejuvenate my battery attached it and read the instructions chose which cycle I wanted it to preform and let it do it thing. It's not super fast but 14 hrs later it finished rejuvenating and to my amazement the battery was fully charged cleaned and restored. My car has started ever since over 8 months ago.
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Reviewed in the United States on March 16, 2026 by Greg