DC-DC 12V 40A Battery Charger
- Détection de l’alternateur en fonctionnement : protège la batterie de démarrage.
- Conception simple et compacte : installation rapide et facile.
- Module Bluetooth BT-2 : permet le suivi et le contrôle à distance.
- Protections avancées : assurent une charge efficace et sécurisée.
- Activation des batteries Lithium-Ion : offre des réglages personnalisés.
DC-DC 12V 40A Battery Charger - Avec module Bluetooth (Économisez 30 €) is backordered and will ship as soon as it is back in stock.
Introducing the Renogy 12V 40A DC-DC battery charger, the second generation of the DCC series. Designed for an optimal mobile charging experience, this advanced charger combines energy efficiency with intelligent control. Compatible with both traditional and smart alternators, it protects your vehicle's battery while delivering up to 94% charging efficiency. Its advanced charging logic optimizes performance for improved energy management.
With the Renogy app, monitor your system remotely, anywhere, anytime.
Whether you're adventuring in the great outdoors or living in a van, the Renogy DC-DC 12V 40A is the perfect companion for reliable, fast and efficient charging.
Renogy 12V 40A DC-DC Battery Charger
Enhance your driving charging experience with intelligent control.

Advanced high temperature performance
The second-generation DCC charger intelligently reduces power in high temperatures, ensuring safe and efficient charging without sacrificing system performance.

Battery health optimization
Enable or disable the lithium battery activation function via the DC Home app, to extend the life of your battery directly from your smartphone!

Complete accessories for easy installation
The included battery temperature sensor transmits real-time data to the charger, allowing precise adjustments to charging parameters for optimal performance and longer life.

Package Contents
-
Battery charger
x 1
-
Battery temperature sensor
x 1
-
IGN signal wire
x 1
-
Connection ring (terminal)
x 1
-
User Manual
x 1
Données générales
Données électriques
Garantie
Téléchargements
Frequently Asked Questions
What precautions should I take when installing the DC-DC charger?
What precautions should I take when installing the DC-DC charger?
Install the charger in a horizontal position to promote ventilation and heat dissipation. It is also recommended to place the charger as close as possible to the service battery to optimize performance.
What types of batteries are compatible with this charger?
What types of batteries are compatible with this charger?
Our charger is compatible by default with the following 12V batteries:
AGM (Absorbent Glass Mat)
FLD (Open/Flooded Lead)
GEL (Gel Electrolyte)
SLD (Sealed Lead)
Additionally, it has a custom mode that can be adjusted according to the specific needs of different batteries to ensure optimal charging.
How does charger communication work?
How does charger communication work?
To enable communication, purchase the RENOGY BT-2 Bluetooth module and connect it to the charger's communication port. This will allow you to access important data via the DC Home and Core mobile apps.
What are the steps in the charging process on a smart charger?
What are the steps in the charging process on a smart charger?
Smart chargers typically use a 4-step charging logic:
Bulk charging (fast charging)
Constant voltage charging
Float mode (maintenance) charging
Equalization (balancing) charge
These steps ensure safe and efficient charging of the batteries.