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- • Alternator running detection safeguards the starter battery.
- • Simple and compact layout ensures easy installation.
- • BT-2 Bluetooth enables remote monitoring.
- • Advanced protections ensure efficient and safe charging.
- • Lithium Ion Battery Activation offers customization.
Renogy 12V 40A DC to DC Battery Charger
Elevate your driving charging experience with smart control.

Advanced High-Temperature Performance
The second-generation DCC charger intelligently reduces output power in high-temperature environments, ensuring safe and efficient charging without compromising system performance.

Optimize Battery Health
Enable or disable lithium battery activation based on battery status via the DC Home app, extending battery lifespan directly from your phone!

Smart Control for Simplicity and Efficiency
Effortless remote monitoring and control of charging parameters.

Comprehensive Accessories for Easy Installation
The included battery temperature sensor delivers real-time data to the charger, enabling precise adjustments to charging parameters for optimal performance and battery longevity.

Package Includes
Battery Charger
Battery Temperature Sensor
IGN Signal Wire
User Manual
Terminal Ring
Renogy 40A DC to DC Battery Charger
GENERAL DATA
ELECTRICAL DATA
PACKAGE INCLUDES
WARRANTY INFORMATION