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REDARC Dual Input 25A in-Vehicle DC to DC Battery Charger with MPPT Solar Regulator, Green Power Priority, 12V/24V Compatible, for Lithium, AGM, Gel, Lead Acid, Calcium, LiFePO4 Batteries

REDARC Dual Input 25A in-Vehicle DC to DC Battery Charger with MPPT Solar Regulator, Green Power Priority, 12V/24V Compatible, for Lithium, AGM, Gel, Lead Acid, Calcium, LiFePO4 Batteries

Q: can this unit be connected to the vehicle alternator to charge 2 batteries. And where can I get more information to read about it ?

The alternator should charge the original vehicle battery, then this unit is connected to get power from the original battery and used to charge a second, back-up battery. The backup battery may have another identical 12v battery connected to it in parallel. The identical battery should be of the same age, brand, size, etc. You can find the owners/installation manual online.

Q: What will happen if my main battery is a 74ah and the auxiliary is a 150ah battery. i’m planning to install the bcdc redarc charger 25a

Hi Mohammed, Thanks for your message. The BCDC operates independently to charge the Auxiliary 150AH battery, so is not critical on the capacity of the Main battery. It is essentially drawing from the Alternator of the vehicle anyway, so capacity is not a big issue. This will work fine with this 25A BCDC size too; perfect for your 150AH battery. Best regards, REDARC.

Q: Necesito comprar algun tipo de relay u otro accesorio, aparte de fusible

Hi there, Thanks for your message. You will not need a relay for this unit, it does all the switching internally. A 40A MIDI type fuse is required however and suitably rated cable to connect the unit up to the Batteries and Solar panel. Best regards, REDARC

Q: Can this be used to charge a Goal Zero or Jackery type lithium power bank?

Goal Zero/Jackery type power banks have internal charging normally. If it has a 12V input, you don't really need an external charger, just a 12v supply from your car, solar controller/converter etc.

Product ID: 86240686

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Details

Brand
REDARC
Color
Black
Product Dimensions
4.92"D x x
Item Weight
0.01 Ounces
Output Voltage
12 Volts (DC)

⚡25A dual input power

☀️MPPT solar optimization

🛡️rugged all-terrain durability

Frequently Bought Together

REDARC 25A in-Vehicle DC to DC Charger with MPPT — Dual Input for Solar & Alternator Charging, Green Power Priority - 12 or 24V Battery Charger Suitable with AGM, Gel, Lithium LiFePO4 Batteries

Blue Sea Systems 5025 ST Blade Fuse Block 6 Circuit with Ground and Cover

Blue Sea Systems 7182 285-Series Circuit Breaker, Surface Mount, 40A

Description

⚡ Power your journey, sustainably and relentlessly.

DUAL INPUT POWER BOOST - Charge simultaneously from alternator and solar panels for unstoppable energy flow.
SOLAR FIRST SMART CHARGING - MPPT tech prioritizes green power, slashing alternator load and maximizing efficiency.
TRUSTED AUSSIE ENGINEERING - 45+ years of rugged reliability with a 2-year warranty and global support network.
BUILT FOR EXTREME ADVENTURES - Waterproof, dustproof, heat-resistant – engineered to thrive in the harshest off-road conditions.
UNIVERSAL BATTERY COMPATIBILITY - Tailored multi-stage charging for Lithium, AGM, Gel, Lead Acid, Calcium & LiFePO4 batteries.

The REDARC Dual Input 25A DC to DC Battery Charger combines vehicle alternator and solar panel inputs with advanced MPPT solar regulation to efficiently charge a wide range of 12V/24V batteries. Designed for extreme environments, it offers multi-stage charging for batteries from 75–200AH, ensuring reliable off-grid power for overlanding, RV, and off-road enthusiasts. Backed by 45 years of Australian engineering excellence and a 2-year warranty.

Specifications

Item Weight	0.01 Ounces
Item Dimensions D x W x H	4.92"D x 10.24"W x 1.89"H
Color	Green
Energy Specifications Met	FCC
Current Rating	25 Amps
Input Voltage	12 Volts
Output Voltage	12 Volts (DC)

Have a Question? See What Others Asked

can this unit be connected to the vehicle alternator to charge 2 batteries. And where can I get more information to read about it ?

What will happen if my main battery is a 74ah and the auxiliary is a 150ah battery. i’m planning to install the bcdc redarc charger 25a

Necesito comprar algun tipo de relay u otro accesorio, aparte de fusible

Can this be used to charge a Goal Zero or Jackery type lithium power bank?

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