---
product_id: 692551576
title: "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"
brand: "lvyuan"
price: "1166 kr"
currency: DKK
in_stock: true
reviews_count: 8
url: https://www.desertcart.dk/products/692551576-lvyuan-12v-24v-car-battery-charger-with-trickle-charger-automotive
store_origin: DK
region: Denmark
---

# 40A max fast charge Multi-type battery compatibility Advanced multi-protection system 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

**Brand:** lvyuan
**Price:** 1166 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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 by lvyuan
- **How much does it cost?** 1166 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/692551576-lvyuan-12v-24v-car-battery-charger-with-trickle-charger-automotive)

## Best For

- lvyuan enthusiasts

## Why This Product

- Trusted lvyuan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid 40A Charging Power:** Charge your car or truck battery up to 4x faster than standard 10A chargers, saving you valuable time.
- • **Smart Multi-Stage Charging:** Intelligent quick and trickle charge cycles optimize battery health and extend lifespan effortlessly.
- • **Intuitive Digital LED Display:** Real-time monitoring of voltage, current, temperature, and battery capacity keeps you in full control.
- • **Universal Battery Compatibility:** Supports 12V/24V lead acid, AGM, GEL, SLA, VRLA, calcium, and LiFePO4 batteries from 4Ah to 400Ah.
- • **Comprehensive Safety & Repair Mode:** Built-in protections against short circuits, reverse polarity, and overcurrent plus a repair function for old or deeply discharged batteries.

## Overview

The LVYUAN 12V/24V Smart Car Battery Charger delivers rapid 40A charging with multi-stage smart technology, compatible with a wide range of battery types including LiFePO4 and lead acid variants. Featuring an intuitive LED display and advanced safety protections, it also includes a repair mode to revive old or deeply discharged batteries, making it an essential tool for any vehicle owner aiming to maintain peak battery performance and reliability.

## Description

Full description not available

## Features

- 40A Car Battery Charger: The 12V/40A and 24V/20A fast car battery chargers charge much faster than 10A car chargers. Multi-stage charging processes with quick and trickle charging protect your batteries
- 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 40A 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-400Ah 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 40A 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

## Product Details

- **Brand:** LVYUAN
- **Color:** Black
- **Product Dimensions:** 6.88"D x 7.87"W x 4.5"H
- **Item Weight:** 3.7 Pounds
- **Output Voltage:** 12 Volts (DC)

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/717afWT07xL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/71kLUV4VUqL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/71qqOHMjxsL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/71mXp3EiApL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/71jCqn+AFrL.jpg)

## Available Options

This product comes in different **Model** options.

## Questions & Answers

**Q: Does this charger have a repair mode?**
A: 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.

**Q: What are the output voltage and full charge voltage of the charger?**
A: Output voltage 12V- Full charge voltage 14.4V,Output voltage 24V - Full charge voltage 28.8v.

**Q: What to do if the battery is often not fully charged?**
A: 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.

**Q: Is it a jump starter?**
A: No, it is a battery charger and maintainer, not a jump starter.

**Q: Can it charge a 0V battery?**
A: 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ este cargador de baterias es perfecto
*by L***G on June 16, 2025*

muy buena calidad .El envío fue muy rápido"

### ⭐⭐⭐⭐⭐ Something good to have
*by N***S on May 22, 2025*

Great buy trust me on that

### ⭐⭐⭐⭐ WORKS BY MAGIC
*by S***! on June 12, 2025*

The instructions are confusing. The buttons do whatever. I had a completely dead battery and left this charger on it like 3days. Brought it back to life and the battery has been good for 8 months. Battery chargers is good. Instructions are not.

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-29*