YONHAN 12V/24V 20A Battery Charger

YONHAN’s battery charger is listed for 12V and 24V batteries, with output current up to 20A on 12V and 10A on 24V. Its display and maintainer and repair modes suit owners charging a range of vehicle batteries, but the listing is inconsistent about lithium support.

At a glance

Listed charging rates are 20A for 12V batteries and 10A for 24V batteries.
The listing describes charging, maintenance, trickle charging and pulse repair functions.
A large LCD is claimed to show charging status, voltage, current and temperature.
Foldable handle, support feet and cable clips are listed for handling and storage.

Price

$39.51Save 25%

Reference price: ~~$52.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The two voltage options and stated current rates cover a range of 12V and 24V vehicle-battery setups.
The display is described as showing operating details such as voltage, current and temperature.
Maintainer and trickle-charge functions add a stated option for ongoing battery care.

Cons

Repair mode is not claimed to revive a seriously dead battery or repair a damaged one.

Technical specifications

15 specifications

Identity and display
Brand	YONHAN
Screen technology listed	LCD

Charging
Output voltage	12 volts
Current rating	20 A
AC input	AC Input: 100 - 240V 50/60Hz
Output current	Output Current: 12V 20A & 24V 10A
Maximum input power under load	Input PowerWith Load: Max. 300W
Input power with no load	Input Power under No Load: 3.5W
Supported device types	Car, Truck, SUV, ATV, Motorcycle, Snowmobile, Lawn Mower, Boat, Tractor, Forklift, Golf Cart

Dimensions and installation
Dimensions listed	8.46"D x 7.3"W x 4.1"H
Weight listed	1.23 kg
Product size	Size (LWH) : 192165102mm
Product weight	Weight: 955g

Other listed details
Color	Red
Warranty description	2 year manufacturer

What to know before buying

Listing details to confirm

The listing conflicts on lithium support: some sections claim compatibility with LiFePO4, while feature text explicitly says lithium batteries are disabled or not allowed. It also gives conflicting voltage-input details, 110 volts_of_alternating_current versus 100–240V 50/60Hz, and different dimensions and weights. Confirm the exact version and required battery type before purchase.

Who is it for?

A good fit for

Owners of compatible 12V or 24V lead-acid batteries who want charging and maintenance functions in one unit.
People who value a screen for monitoring charging information and a handle and cable clips for storage.

Less suited to

Anyone needing a charger confirmed to support LiFePO4, given the listing’s contradictory statements.
Anyone expecting pulse repair to restore a seriously dead or physically damaged battery.

YONHAN 12V/24V 20A Battery Charger · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 354 ratings

5 stars68%68%
4 stars13%13%
3 stars8%8%
2 stars4%4%
1 star7%7%

Customer feedback commonly highlights quick charging, compact size and a useful display, while opinions on value and battery compatibility are mixed. Some feedback raises concern about the charger's own lifespan, including a report of it lasting only two weeks. These experiences may matter for buyers using the unit regularly or relying on its stated 12V and 24V charging options, but the listing itself does not resolve the compatibility uncertainty.

Positive themes

Customers report quick charging performance and appreciate the compact size and display.

Negative themes

Some customer feedback raises concerns about charger longevity, including a report that it lasted only two weeks.

Mixed feedback

Feedback on value and battery compatibility is mixed. One customer notes that manual battery-type selection was needed.

Frequently asked questions

What charging rates are listed?

The listing states 12V 20A and 24V 10A output current. These are different rates for the two battery voltages.

Can it charge LiFePO4 batteries?

The listing is contradictory. Some parts claim LiFePO4 compatibility, while other feature text says lithium batteries are disabled or not allowed. Confirm support for your battery and exact charger version before buying.

Can the repair mode fix a dead battery?

The listing says repair mode may help recover old or idle batteries, but does not claim it can activate a seriously dead battery or repair a damaged one.