Does this charger have a repair mode?

Yes, our chargers have a one-click repair mode, which is only applicable to 12V batteries, not 24V, and it gradually recovers the sulfurized plates by charging at low current for a long period of time to restore the performance of the battery.

What are the output voltage and full charge voltage of the charger?

Output voltage 12V- Full charge voltage 14.4V,Output voltage 24V - Full charge voltage 28.8v.

What to do if the battery is often not fully charged?

ls the battery aging or damaged, causing excessive discharge and insufficient charging? You can try the one click repair mode to repair the battery for free.

Is it a jump starter?

No, it is a battery charger and maintainer, not a jump starter.

Can it charge a 0V battery?

Yes, you can start charging if you use the repair mode when the battery voltage is 0V.pls Note: It can not repair a totally dead battery.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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LVYUAN 12V/24V Car Battery Charger with Trickle Charger Automotive Smart Battery Charger, Smart Battery Maintainer, 10A/20A/40A for Car Truck Motorcycle LiFePO4 Lithium and Lead Acid Batteries

LVYUAN 12V/24V Car Battery Charger with Trickle Charger Automotive Smart Battery Charger, Smart Battery Maintainer, 10A/20A/40A for Car Truck Motorcycle LiFePO4 Lithium and Lead Acid Batteries

Product ID: 741265089

Details

Brand
LVYUAN
Colour
Black
Item weight
1.68 kg
Output voltage
12 Volts (DC)
Product dimensions
17.5D x 20W x

⚡40A max fast charge

📊Digital LED real-time display

🔋Multi-chemistry battery support

Description

🔌 Power up smarter, not harder — never get stranded again!

ADVANCED SAFETY SUITE - Stay worry-free with short circuit, overcurrent, reverse polarity, and cooling protections.
RAPID 40 A CHARGING POWER - Cut downtime with ultra-fast 12V/24V charging up to 40 amps.
SMART MULTI STAGE CHARGING - Protect and extend battery life with intelligent quick and trickle charge cycles.
0 V START BATTERY REVIVAL MODE - Resurrect deeply discharged or aging batteries and keep your fleet ready to roll.
UNIVERSAL BATTERY COMPATIBILITY - Works seamlessly with LiFePO4, AGM, GEL, SLA, and lead-acid batteries from 4Ah to 400Ah.

The LVYUAN 12V/24V Smart Battery Charger delivers up to 40A fast charging with multi-stage intelligent cycles, supporting a wide range of battery chemistries including LiFePO4 and lead-acid types. Featuring a digital LED display for real-time monitoring and comprehensive safety protections, it also includes a unique 0V start mode to revive deeply discharged batteries, making it an essential tool for maintaining cars, trucks, and motorcycles efficiently.

Specifications

ASIN	B0DMD2C942
Amperage	40 Amps
Brand	LVYUAN
Brand Name	LVYUAN
Colour	Black
Current Rating	40 Amps
Customer Reviews	3.4 out of 5 stars 6 Reviews
Input Voltage	120 Volts (AC)
Item Dimensions D x W x H	17.5D x 20W x 11.4H centimetres
Item Weight	3.7 Pounds
Item weight	3.7 Pounds
Manufacturer	Guangzhou LVYUAN Technology Co., Ltd.
Manufacturer Part Number	40A-PRO
Model Number	40A-PRO black
Output Voltage	12 Volts (DC), 24 Volts (DC)
Output voltage	12 Volts (DC), 24 Volts (DC)
Product dimensions	17.5D x 20W x 11.4H centimetres
Specification Met	UL, CE, FCC, IEC
Specification met	UL, CE, FCC, IEC

Reviews

G**J

Charges fast works good

Works good for me charges much faster than the other typical 20 amp ones. I have two 12-volt lithium batteries connected in parallel so this charges them up real fast and it works good

5.02.2026

H**E

LVYUAN 12V/24V 10A/20A/40A Battery Charger with Trickle BC-400 PRO

Over charges battery, does not do as it promise, 😒 damage my batteries

12.05.2025

A**Z

Bieno

Lo usé en una batería de 475 ah funcionó muy bien,la cargo

12.03.2026

L**S

Good work

Good

23.03.2026

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