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Dual Input 25A in-Vehicle DC Battery Charger

4.6 4.6 out of 5 stars 128 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Household Battery Chargers by REDARC

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Purchase options and add-ons

Brand REDARC
Color Green
Product Dimensions 4.92"D x 10.24"W x 1.89"H
Item Weight 0.01 Ounces
Input Voltage 12 Volts

About this item

  • MPN::BCDC1225D
  • Brand::Redarc

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Dual Input 25A in-Vehicle DC Battery Charger


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Product Description

Get the next generation in REDARC DC to DC charging technology with the REDARC BCDC1225D In-vehicle Dual Battery Charger. It's a 12 volt, 25A in-vehicle DC-DC battery charger designed to charge your secondary battery banks to 100% state of charge while on the move.*?It is solar ready and suitable for many battery types including lithium, AGM, GEL, standard lead acid and calcium.?? *large capacity battery banks may require a few cycles to fully charge. ? Dual Battery Charger with solar input Additional features within this Solar Ready charger, such as a Maximum Power Point Tracking (MPPT) solar regulator and built-in Green Power Priority (primary solar selection), means you can charge your batteries using solar panels when driving or portable panels when stationary. With simultaneous DC and Solar inputs, this makes it the most advanced dual battery charger on the market today. ? Perfect DIY dc battery charger For self installation, we recommend also purchasing the REDARC FK40 40amp fuse kit. ? Multi-stage charging profile Have the reassurance and confidence that your batteries will be charged to their optimal levels, thanks to a unique multi-stage charging algorithm that provides specific charging profiles tailored to all common battery types. The SEMA Global Media Awarding winning BCDC1225D is perfect for charging AGM, Gel, Standard Lead Acid, Calcium, and LiFePO4 batteries. The unit works with 12- or 24-volt vehicle systems and with either standard or variable/smart alternators. ? Built tough for all conditions This DC-DC battery charger with solar input has been proven to work in all types of terrains, including deep water crossings, and stands up against extreme heat (up to 176?F). It's fully sealed against the risk of infiltration from water and dust and will hold up to the adventure at hand. It's designed to maximize the performance and life of your auxiliary battery and is suited for battery bank sizes of 75-200AH in most applications. Made in Australia by R

Customer reviews

4.6 out of 5 stars
4.6 out of 5
128 global ratings

Customers say

Customers like the performance, build quality, instructions, ease of installation, and quality of the battery charger. They mention that it works great, it's well built, and it has intuitive instructions. Some appreciate the ease of use and say that it'll be worth the money.

AI-generated from the text of customer reviews

7 customers mention7 positive0 negative

Customers are satisfied with the performance of the battery charger. They mention that it works well as a DC/DC charger and solar controller.

"...I have since installed it and it is running great. RedArc is the big dog in this market for a reason." Read more

"...Works flawlessly to keep my secondary deep-cycle charged." Read more

"Has been installed and used daily for approx 5 months. Works great and i am very pleased with how small and easy it was to install...." Read more

"...Works well as a DC/DC charger and solar controller. A remote display option would be nice since these are installed near the batteries." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the build quality of the battery charger. They mention that it is well built, and an excellent high-quality DC/DC charger with built-in MPPT solar charger.

"It is an exceptional product, well built and feature rich, but the thing that was incredible was the customer service...." Read more

"...It's built like a tank. Overdesigned, with huge cables. The engineers that designed this put a lot of passion into the design, and it shows...." Read more

"...It feels very durable. I would buy again if needed to replace or for another project. Instructions were very clear and easy to follow...." Read more

"Excellent high-quality DC/DC charger with built-in MPPT solar charger. Space-wise, this one unit is smaller than other two-unit options...." Read more

4 customers mention4 positive0 negative

Customers find the instructions for the battery charger simple, clear, and easy to follow. They also say the instructions are a work of engineering art. Overall, customers are happy with their purchase and recommend it to others.

"Very detailed and simple instructions. If you know how to work with electrical, installing will be a breeze...." Read more

"...It's built like a tank. Overdesigned, with huge cables. The engineers that designed this put a lot of passion into the design, and it shows...." Read more

"...Instructions were very clear and easy to follow. All i can say is thank you to REDARK for a good and as described product!" Read more

"...but in the end it all makes sense, is intuitive, and well designed. I’m happy" Read more

3 customers mention3 positive0 negative

Customers find the battery charger easy to install. They mention that the instructions are clear and easy to follow.

"...If you know how to work with electrical, installing will be a breeze. Works flawlessly to keep my secondary deep-cycle charged." Read more

"...Instructions were very clear and easy to follow. All i can say is thank you to REDARK for a good and as described product!" Read more

"...Easy install and small profile. I love it!" Read more

3 customers mention3 positive0 negative

Customers are satisfied with the quality of the battery charger. They mention that it is well built, worth the money, and is a great product.

"Great product..." Read more

"Expensive but Well Built- Great Customer Service..." Read more

"Worth the money..." Read more

If you have a "Smart Alternator" you need this for an AGM house battery
5 Stars
If you have a "Smart Alternator" you need this for an AGM house battery
Does the job. Just installed a second AGM battery and a smart isolater kit. It wouldn't top off my AGM battery because I have a smart alternator which cycles from 12.8v to high 13's depending on what the state of charge is on my start battery. This REDARC BCDC charger solves that problem and charges my auxiliary AGM battery to 14.6v (full charge) regardless of what my stock charging system is doing. I mounted it under the hood on top of my fuse box. It gets hot there from engine heat so we'll see how it does on a 2000 mile trip this week. I bought this mainly to power an 80 qt compressor fridge/freezer unit. Later I plan to add an inverter to my system.
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Top reviews from the United States

Reviewed in the United States on August 31, 2023
One person found this helpful
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Reviewed in the United States on May 4, 2022
One person found this helpful
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Reviewed in the United States on July 29, 2023
Reviewed in the United States on September 16, 2020
36 people found this helpful
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Reviewed in the United States on October 2, 2020
One person found this helpful
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Reviewed in the United States on June 28, 2021
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5.0 out of 5 stars If you have a "Smart Alternator" you need this for an AGM house battery
Reviewed in the United States on June 28, 2021
Does the job. Just installed a second AGM battery and a smart isolater kit. It wouldn't top off my AGM battery because I have a smart alternator which cycles from 12.8v to high 13's depending on what the state of charge is on my start battery. This REDARC BCDC charger solves that problem and charges my auxiliary AGM battery to 14.6v (full charge) regardless of what my stock charging system is doing. I mounted it under the hood on top of my fuse box. It gets hot there from engine heat so we'll see how it does on a 2000 mile trip this week. I bought this mainly to power an 80 qt compressor fridge/freezer unit. Later I plan to add an inverter to my system.
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10 people found this helpful
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Reviewed in the United States on October 18, 2021
4 people found this helpful
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Reviewed in the United States on January 5, 2022
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5.0 out of 5 stars Exceptional Support - Hence 5 Stars
Reviewed in the United States on January 5, 2022
While designing the circuitry in which this charger would be a key player I have had to discuss many questions with Redarc. I have always been pleased with their patience and depth of knowledge even though they are all the way on the other side of the world. I have not actually experienced the device in action, but I have tested it and am pleased with it so far.
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One person found this helpful
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Top reviews from other countries

Stu Gair
5.0 out of 5 stars Awesome!
Reviewed in Canada on September 23, 2021
amaclach
5.0 out of 5 stars Great dual input charger
Reviewed in Australia on July 23, 2020
Dunefan
5.0 out of 5 stars Gold standard
Reviewed in Canada on February 26, 2022
CHERYL CHENOWETH
5.0 out of 5 stars Five Stars
Reviewed in Australia on January 17, 2018
Doug R.
5.0 out of 5 stars Good buy
Reviewed in Canada on July 11, 2019