SKU: 38824676974

BCDC CLASSIC UNDER BONNET 40A DC BATTERY CHARGER

Sale price$305.55 Regular price$339.50
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

BCDC CLASSIC UNDER BONNET 40A DC BATTERY CHARGERPRODUCT DETAILS The REDARC BCDC1240D is a 12V, 40A In vehicle DC to DC Battery Charger designed to keep your auxiliary battery charged when driving or with portable solar panels when parked. OVERVIEW The REDARC BCDC1240D under bonnet Battery Charger is a 12V 40A DC to DC battery charger, capable of high performance in engine bay installations, potted to survive and thrive against heat, water and dust. Featuring a Maximum Power Point Tracking (MPPT)

PRODUCT DETAILS


The REDARC BCDC1240D is a 12V, 40A In-vehicle DC to DC Battery Charger designed to keep your auxiliary battery charged when driving or with portable solar panels when parked.

 


OVERVIEW


The REDARC BCDC1240D under bonnet Battery Charger is a 12V 40A DC to DC battery charger, capable of high performance in engine bay installations, potted to survive and thrive against heat, water and dust.


Featuring a Maximum Power Point Tracking (MPPT) solar regulator, the BCDC1240D Classic will charge from both solar and the alternator simultaneously. With built-in 'Green Power Priority' it will select solar charging first, meaning less load on the alternator.


Suitable for 12 or 24-volt vehicle systems, the unit will also work with either standard or variable/smart alternators.


The BCDC1240D also comes with patented charging profiles, including a lithium charging profile perfect for pairing with a REDARC Lithium Battery. The 'Dual' input range will continue to charge all other types of batteries including AGM, GEL, standard lead acid and calcium. 


As a guide the BCDC1240D is typically used for lead acid battery banks over 200Ah and lithium batteries over 100Ah. Check the manufacturer’s data for your battery and ensure that the ‘Continuous Current Rating’ of the charger does not exceed the manufacturer’s recommended maximum charging current. For smaller batteries, REDARC recommends the BCDC1225D.


PROVEN AND TESTED


The award-winning technology in the BCDC has been independently verified and tested to ensure battery life is maximised, charging your battery to a proven 100%.*

*large capacity battery banks may require a few cycles to fully charge.

Built in Australia and tested for our unique conditions, the DC to DC battery charger will work in the extreme heat of the Simpson Desert, up to 80°C and can handle deep water crossings at Cape York – water, dust and vibration are no match for this charger.

If you’re heading out into the bush and want to get there and back again safely – you can trust REDARC.  


FEATURES


  • Separate DC and solar charging inputs
  • Maximises the performance and life of your auxiliary battery
  • Simultaneous DC and solar charging with Green Power Priority
  • Suits 12V/24V standard and variable voltage/smart alternators
  • Suitable for AGM, GEL, standard lead acid, calcium and Lithium (LiFePO4) batteries
  • Suitable for use on vehicles with conventional alternator charging systems
     

MOUNTING BRACKETS


In addition to the use of quality fuse kits, REDARC offer a range of vehicle-specific mounting brackets for our BCDC DC-DC Charger range. The 304 stainless steel bracket allows installation into the front of the vehicle for cooler airflow, ensuring optimal performance. They have been designed to fit existing mounting points in the vehicle.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38824676974

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4.6 ★★★★★
Based on 18 reviews
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Product Reviews
L
Verified Purchase
Lin
Louisville, US
★★★★★ 1
Slow As a Turtle
Color: 2White
Super slow charging. After 10 minutes, my phone only charged 3%. I plugged my original charging cord into the same 65W charging block and after 2 minutes, it had charged nearly 10%.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
K
Verified Purchase
Kelly Wilson
Birmingham, US
★★★★★ 1
Do not buy, it gets very hot quickly
Color: 2White
I gets hot very fast, bas product I will be returning
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
D
Verified Purchase
Dawn
Houston, US
★★★★★ 1
Slow charge
Color: 2White
Super slow charge takes. Takes almost 2 hours to charge 50%
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
M
Verified Purchase
Mark
Charlottesville, US
★★★★★ 4
Great & very convenient charger, only one issue
Color: 2Black
This charger wound up being everything I hoped for - it charges a Galaxy S26 fast and works with a wireless charger compatible phone case. Despite all this, I'm taking a star off for the fact that *you have to buy an aftermarket converter* for it, because for some ridiculous reason, its cable end isn't a USB type A (which your previous phone's converters and probably many of your home's outlets use), but requires a 30W (no less) USB-C. So, there goes another $10 for the converter. Actually you'll probably want to buy two, for at least two rooms at your home, so there goes another $20.
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Reviewed in the United States on May 29, 2026
D
Verified Purchase
Dylan
Charlottesville, US
★★★★★ 1
Absolute trash.
Color: 2White
Neither charger worked on arrival... Quite disappointed. Now I'm steering away from every item that has the same markings. Just shelling out for a better quality charger... Not worth it at all... It's incredibly irritating having 2 DoA chargers... Tried on 5 different phones and 10 different blocks.
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Reviewed in the United States on May 16, 2026

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