Progress Bar

Skip to main content

Jaycar
Discontinued

1 Year Warranty
This DC to DC Charger is an excellent choice for anyone looking for a dual battery system that has all the features but without a hefty price tag. The system is designed to prioritize solar energy, reducing the load on your engine and ensuring efficient use of available power. Additionally, the automatic ignition detection feature isolates the starting battery when the engine is off, preventing unwanted discharge. The charger is fully automatic and easy to use, and the microprocessor-controlled circuit keeps your battery in optimal condition. It is capable of switching between six different charging modes: Qualification, Recondition, Bulk, Absorption, Check, and Maintenance. The heavy-duty Aluminium casing is durable and has a mounting bracket built in, along with a front panel with charge status LEDs and a push button to select between Lead acid, AGM, Calcium, GEL, or LiFePO4 batteries. It is also equipped with multiple safety protections, including overcharge, short circuit, over temperature, reverse polarity, thermal overload, and solar input overload. The charger is compatible with solar panels which have an open circuit voltage of 16 to 25V.

Features:
- Dual input - solar and/or alternator/car battery
- 20A max charging current (automatically controlled)
- Six-stage Battery Charging
- Supports Lead acid, AGM, Calcium, GEL or LiFePO4 batteries

Specifications:
Solar Panel Open Circuit Voltage: 16~25V max.
Rated Output Power: 13.5~15.4V @ 20A
Output (Charge) Voltage:
AGM/GEL: 14.3V (Boost), 14.7V (Absorption), 13.5V (Float)  
Lead acid:  14.0V (Boost), 14.4V (Absorption), 13.5V (Float)
Calcium: 15.0V (Boost), 15.4V (Absorption), 13.5V (Float)
LiFePO4:  14.0V (Boost), 14.4V (Absorption)

Type of Batteries:Lead Acid,Lithium Ferrous Phosphate (LiFePO4),AGM

Dual Input 20A DC/DC Multi-Stage Battery Charger to suit Lead and Lithium Style Batteries

Cat. No: MB3940
4.5(2)
$69On special
$269Everyday Price
30-Day Returns
Australian Stock
Warranty Included
Checking delivery options...

Customer Reviews

Bazaarvoice Authentic Reviews

4.5

2 reviews

5
1
4
1
3
0
2
0
1
0

Verified purchases only.
Powered by Bazaarvoice.

Easy to Install

Matt DJanuary 2024

Installed this a month ago in my car to charge a lithium battery. It is working great. Cant fault it for the price vs my experience so far.

Helpful?

Good product

January 2024

Easy to wire and set up, would be great if they have one with higher amp rating for quick charging.

Helpful?