--- product_id: 685481045 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: "$38.78" currency: USD in_stock: false reviews_count: 5 url: https://www.desertcart.us/products/685481045-lvyuan-12v-24v-car-battery-charger-with-trickle-charger-automotive store_origin: US region: United States of America --- # 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:** $38.78 **Availability:** ❌ Out of Stock ## 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?** $38.78 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/685481045-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 ## Description Keep your vehicles and equipment powered with the LVYUAN Smart Battery Charger and Maintainer. This advanced 12V/24V unit delivers efficient 10A/20A charging, significantly reducing downtime for your car, truck, or motorcycle. Its intelligent multi-stage charging process quickly revives batteries while the precision trickle charge safely maintains them for long-term health. The clear digital LED display provides real-time data on voltage, current, and temperature for complete control. Engineered with comprehensive safety protections and a unique 0V start repair mode, it can even recover deeply discharged or aging batteries. As a versatile all-in-one solution, it's fully compatible with both traditional lead-acid (AGM, GEL, SLA) and modern 12V LiFePO4 lithium batteries. Review: 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 Review: En tiempo y bien - Llego a tiempo y en perfecto estado, realice pruebas de carga y trabaja muy bien. Confiable. Gracias. ## 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DMD2C942 | | Amperage | 40 Amps | | Brand | LVYUAN | | Color | Black | | Colour | Black | | Current Rating | 40 Amps | | Customer Reviews | 4.1 out of 5 stars 38 Reviews | | Input Voltage | 120 Volts | | Item Dimensions D x W x H | 17.5D x 20W x 11.4H centimeters | | Item Weight | 1.68 kg | | Item weight | 1.68 kg | | Manufacturer | Guangzhou LVYUAN Technology Co., Ltd. | | Mfr Part Number | 40A-PRO | | Model Number | 40A-PRO black | | Number of Items | 1 | | 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 centimeters | | Specification Met | UL, CE, FCC, IEC | | Specification met | UL, CE, FCC, IEC | ## Product Details - **Brand:** LVYUAN - **Colour:** Black - **Item weight:** 3.7 Pounds - **Output voltage:** 12 Volts (DC), 24 Volts (DC) - **Product dimensions:** 17.5D x 20W x 11.4H centimeters ## 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) ## 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 ### ⭐⭐⭐⭐⭐ Charges fast works good *by G***J on 5 February 2026* 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 ### ⭐⭐⭐⭐⭐ En tiempo y bien *by N***Z on 2 July 2026* Llego a tiempo y en perfecto estado, realice pruebas de carga y trabaja muy bien. Confiable. Gracias. ### ⭐ LVYUAN 12V/24V 10A/20A/40A Battery Charger with Trickle BC-400 PRO *by H***E on 12 May 2025* Over charges battery, does not do as it promise, 😒 damage my batteries --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/685481045-lvyuan-12v-24v-car-battery-charger-with-trickle-charger-automotive](https://www.desertcart.us/products/685481045-lvyuan-12v-24v-car-battery-charger-with-trickle-charger-automotive) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-30*