What type of alternator is this DC to DC on board battery charger compatible with?

This battery charger is designed to work with both conventional and smart alternators.

What types of battery does the charger support?

It's suitable for 12V Lithium, Gel, AGM, and Calcium batteries. This charger enables the batteries to reach a full 100% charge. Additionally, it has the capability to revive lithium batteries that have become discharged to a low voltage.

How do l set the battery since there is no display screen?

To change the battery type, press and hold the SELECT button on the side of the battery charger. The LED lights corresponding to each battery type will illuminate in sequence, indicating the available options.

If both solar power and the engine are available, can we prioritize using solar power to charge the battery?

Our product defaults to DC charging. To prioritize solar charging, simply press the SELECT button on the side.

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Renogy 40A DC-DC Battery Charger with MPPT Solar and Alternator Dual Power Input, for Flooded, Gel, AGM, and Lithium Battery

Product ID: 675606116

Details

Brand
Renogy
Colour
Black
Item weight
1.27 Kilograms
Output voltage
12 Volts (DC)
Product dimensions
4.8D x 14.8W x

⚡40A high-current output

🔄Dual power input (solar + alternator)

🛡️Comprehensive multi-protection system

R6271

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Charge smarter, drive farther — never miss a beat on your power journey!

POWER UP ANYWHERE - Seamlessly switch between solar and alternator inputs for uninterrupted charging on the go.
SAFETY FIRST ALWAYS - Built-in safeguards against reverse polarity, over-voltage, under-voltage, and overheating for peace of mind.
CERTIFIED RELIABILITY - Backed by FCC, RoHS, CE, and SAA certifications plus a 2-year warranty for long-term confidence.
INTUITIVE CONTROL ALERTS - One-touch battery type selection with LED indicators keeps you informed and in command effortlessly.
SMART BATTERY COMPATIBILITY - Adaptive 4-stage charging tailored for LiFePO4, Gel, Flooded, AGM, and sealed lead acid batteries.

The Renogy 40A DC-DC Battery Charger is a versatile, high-efficiency charging solution designed for professional-grade battery management. Featuring dual input from solar panels and alternators, it supports multiple battery chemistries with adaptive 4-stage charging logic. Comprehensive safety protections and intuitive LED alerts ensure reliable, hassle-free operation. Certified to global standards and backed by a 2-year warranty, it’s engineered for millennial professionals who demand smart, dependable power on the move.

Specifications

ASIN	B0DHKTF425
Amperage	40 Amps
Best Sellers Rank	4,465 in Automotive ( See Top 100 in Automotive ) 47 in Car Battery Charging Units
Brand Name	Renogy
Colour	Black
Compatible Devices	Vehicles, Solar Panels, Battery-powered Devices
Connector Types	Cigarette Lighter Socket, Solar Panel Input
Country of Origin	China
Current Rating	40 Amps
Customer Reviews	4.0 4.0 out of 5 stars (30)
Input Voltage	12 Volts (DC)
Item Dimensions D x W x H	4.8D x 14.8W x 19.5H centimetres
Item Weight	1.27 Kilograms
Manufacturer	Renogy
Manufacturer Part Number	40A Battery Charger
Model Number	40A Battery Charger
Number of Items	1
Number of Ports	2
Output Voltage	12 Volts (DC)
Product Warranty	2
Specification Met	YES
UPC	840315228443
Unit Count	1.0 count

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Smooth transaction and product arrived in perfect condition.

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R6271

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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