SKU: 38841

ProBoost 25amp DCDC Charger

$445.00

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The ProBoost 25amp DCDC Charger offers reliable power for your auxiliary battery, with a high-efficiency design that maximizes charging capabilities. Whether you’re powering an RV, boat, or off-grid system, the ProBoost charger ensures your secondary battery stays charged and ready for use, even in demanding conditions.

  • Dual input MPPT solar/aux (alternator)
  • Multi-battery chemistry selector
  • IP56 rating – resistant to dust, water & shock damage
  • Maintains a 100% state of charge of auxiliary batteries
  • Suitable for under-bonnet installation

Input Voltage

9 – 32V

Solar Input Voltage

10 – 32V

Maximum Input Current

27A

Input Fuse Rating

40A

Solar Input Watts

500W

Maximum Output Current

25A

Output Fuse Rating

40A

Minimum Start Voltage (Lead-Acid)

4V

Minimum Start Voltage (LiFePO4)

0V

Standby Current

<10mA

Battery Type

STD, Gel, AGM, Calcium, LiFePO4

Operating Temperature

-20°C to 80°C

IP Rating

IP56

Dimensions

145mm x 130mm x 43mm

Charge Type

3-Stage

Maximum Voltage (STD)

14.4V

Maximum Voltage (Gel)

14.1V

Maximum Voltage (AGM)

14.7V

Maximum Voltage (Calcium)

15.3V

Maximum Voltage (LiFePO4)

14.5V

Float Voltage (STD)

13.4V

Float Voltage (Gel)

13.5V

Float Voltage (AGM)

13.4V

Float Voltage (Calcium)

13.6V

Float Voltage (LiFePO4)

13.6V

Turn On Input (Standard Alternator)

>13.1V

Turn On Input (Smart Alternator)

>12.0V

Turn Off Input (Standard Alternator)

<12.8V

Turn Off Input (Smart Alternator)

<11.8V
  • Shipping via Australia Post.
  • Australia only with secure parcel tracking where possible.

Additional Customer Reviews

Really impressed with the quality and customer service, pays to buy Australian. This fuse box setup was exactly what I needed to connect up all my camper trailer lighting.
PowerBox XR
Trent A.
Had a great experience ordering online. They answered questions and sent the order with tracking very quickly and the product is of great quality.
PowerBox XS
Andrew S.
Was very impressed with the products I purchased. Excellent quality and workmanship. Very fast turnaround time!
PowerBox XS
Morry P.

FAQ

At PowerRoo we offer a 12-month guarantee, ensuring that if any product does not operate as intended, we will resolve the issue. Contact us via email for personalised technical support with your product’s unique identifier.

We ship using Australia Post and provide secure parcel tracking where possible. Standard postage typically takes 3-5 days, and express takes 1-2 days, though this may vary based on location and Australia Post’s service.

PowerRoo does not accept returns due to a change of mind. Warranty claims must be made within 30 days, and customers need to pre-pay for return shipping.

PowerRoo’s products are designed and built in Australia by a team of experienced engineers and automotive electricians, ensuring high-quality Australian-made 12V products.

Yes, at PowerRoo we can design and build products to your specific requirements, including different boxes, connectors, wire gauges, power outlets, USB outlets, voltmeters, and accessories.  Including building custom wiring harnesses and suppling complete systems. Contact us today for a quote.

The PowerRoo team has technical qualifications in the automotive electrical field, and engineering qualifications in electrical, electronics, mechanical design, hardware, and embedded software, all backed by strong technical support.

We have a commitment to authenticity and service, at PowerRoo we ensure all products are of the highest quality and are backed by excellent customer support.

At PowerRoo we strive to minimise our environmental footprint in every decision we make, aligning with our values of respecting our country and the bush for all to enjoy for generations to come.

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