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Rich Solar 12V DC-DC Battery Charger 20A/40A/60A

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Power Your Journey Anywhere: The Ultimate 12V DC-DC Battery Charger Solution

Whether you are designing a high-efficiency power setup for full-time van life, outfitting a marine vessel, or building a robust off-grid cabin system, reliable energy storage is the heartbeat of your lifestyle. The Rich Solar 12V DC-DC Battery Charger, available in versatile 20A, 40A, and 60A configurations, is engineered to be the ultimate link between your vehicle’s alternator and your auxiliary battery bank. Acting as both an advanced charger and a dual-battery isolator, it captures the power generated by your vehicle's engine while driving and safely delivers it to your house batteries.

Rich Solar 12V DC-DC Battery Charger 20A

Intelligent Power Management & Protection

Gone are the days of worrying about draining your starter battery or frying sensitive electronics. This intelligent unit boasts wide-ranging compatibility with traditional and smart alternators, seamlessly supporting AGM, Flooded, Gel, and Lithium (LiFePO4) chemistries. With integrated smart circuit protection, adaptive multi-stage charging profiles, and temperature-adjusting capabilities, this DC-DC charger guarantees that your battery bank charges safely, optimally, and faster than ever—ensuring you always have the power you need, exactly when you need it.




Rich Solar 12V DC-DC Battery Charger Features

Key Features & Benefits

  • Multi-Battery Chemistry Ready: A simple Mode Selection Switch allows you to toggle seamlessly between 12V AGM, Flooded, Gel, and Lithium batteries, making system upgrades painless.
  • Adaptive & Optimized Charging: Features a tailored 2-stage charging profile for lithium batteries (capable of reactivating over-discharged cells) and an optimized 3-stage profile to maximize the lifespan of lead-acid batteries.
  • Built-in Battery Isolation: Automatically separates the starter and auxiliary batteries when the engine is off, preventing reverse current and ensuring you are never left with a dead starting battery.
  • Alternator Friendly: Fully compatible with both smart and traditional alternators. Features an engine-safe D+ ignition terminal that ensures the auxiliary battery only charges when the vehicle is running.
  • Low-Current Mode (LC Terminal): Safely accommodates smaller alternators or weak power sources to prevent system overloading during the charging process.
  • Temperature-Adaptive Charging: Includes an RJ11 sensor port that dynamically adjusts the charging voltage in cold or hot environments to protect battery health (specifically for lead-acid chemistries).
  • Smart Circuit Protection: Operates with absolute peace of mind thanks to built-in defenses against over-voltage, over-temperature, and reverse polarity.
Rich Solar 12V DC-DC Battery Charger - Features Rich Solar 12V DC-DC Battery Charger - Features

Flexible Charging for All Setups

Rich Solar Flexible Charging for All Setups

Specifications & Model Comparison

Choose the perfect power output for your specific energy needs. All models feature an operating voltage range of 10–16VDC, an efficiency rating of >85% (@14VDC, 30% load), and the same intelligent 2-stage (Lithium) / 3-stage (Lead-Acid) charging modes.

Rich Solar 12V DC-DC Battery Charger 20A - Product Over view

RS-DC20 (20A Battery Charger)

  • Input/Output Nominal Voltage: 12VDC
  • Output Nominal Power: 250W
  • Output Nominal Current: 20A
  • Operating Current Range: 18-22A
  • Weight: 4.0 lbs
  • Dimensions: 8.4 × 7.4 × 3.1 in

Rich Solar 12V DC-DC Battery Charger 40A - Product Over view

RS-DC40 (40A Battery Charger)

  • Input/Output Nominal Voltage: 12VDC
  • Output Nominal Power: 500W
  • Output Nominal Current: 40A
  • Operating Current Range: 37-43A
  • Weight: 4.9 lbs
  • Dimensions: 10.3 × 7.4 × 3.1 in

Rich Solar 12V DC-DC Battery Charger 60A - Product Over view

RS-DC60 (60A Battery Charger)

  • Input/Output Nominal Voltage: 12VDC
  • Output Nominal Power: 750W
  • Output Nominal Current: 60A
  • Operating Current Range: 55-65A
  • Weight: 6.2 lbs
  • Dimensions: 12.3 × 7.4 × 3.1 in


Rich Solar 12V DC-DC Battery Charger Specs Sheet

Rich Solar 12V DC-DC Battery Charger  Specs Sheet

Rich Solar 12V DC-DC Battery Charger User Manual

Rich Solar 12V DC-DC Battery Charger  User Manual

Frequently Asked Questions

Can I use this DC-DC charger if my vehicle has a "smart" alternator?

Yes! The Rich Solar DC-DC Battery Charger is fully compatible with both traditional and modern smart alternators, safely utilizing the 12V starter battery connection to optimize power draw without triggering vehicle fault codes.

Will this charger drain my starter battery when the engine is off?

No. This unit functions as a battery isolator. By utilizing the D+ ignition terminal, it senses when the engine is running and only allows charging to the auxiliary battery during that time. When the engine is turned off, it isolates the two batteries to prevent your starter battery from being drained.

Does it support reviving a completely dead lithium battery?

Yes. The 2-stage adaptive charging profile designed specifically for lithium batteries has the capability to safely reactivate and fully charge over-discharged lithium cells.

What is the Low-Current (LC) mode used for?

The LC terminal is a safety feature meant to support vehicles with smaller alternators or systems pulling from weak power sources. Engaging this mode limits the current draw to prevent the system from being overloaded while still providing a steady charge.

A Brief Overview of the U.S. Home Energy Tax Credit

Discover the financial advantages of the U.S. federal solar tax credit for homeowners considering installing a solar system in their main residence. This incentive provides a 30% discount on the current cost of a solar system. If you've set up a system in 2022, it's advisable to speak with your tax consultant to see if you're eligible for a higher credit rate.

Understanding the U.S. Federal Solar Tax Credit:

This tax credit is tailored for homeowners and applies to solar systems installed in primary homes. The credit covers a percentage of qualifying expenses, and thanks to the recent Inflation Reduction Act, the scope of the Investment Tax Credit (ITC) has broadened. Solar systems installed from 2022 to 2032 are eligible for a 30% tax credit, which will drop to 26% in 2033 and 22% in 2034. There's no cap on the amount you can claim.

What Expenses Are Eligible:

Qualifying expenses include solar photovoltaic panels, attic fan power systems (except for the fan itself), labor costs for installation and setup, balance-of-system components, and applicable sales taxes. Standalone batteries with a capacity of 3 kWh or more may also be eligible! For instance, if the solar system you initially purchase includes a single battery with a capacity of less than 3 kWh, but you also buy extra batteries during the installation process that bring the total capacity to more than 3 kWh, then the entire setup may be eligible for the tax credit.

How to Determine Your Eligibility:

To confirm your eligibility for this federal solar credit, review the guidelines set forth by the U.S. Department of Energy and consult your tax advisor.

Steps to Claim the U.S. Federal Solar Tax Credit:

  1. Verify Eligibility: Speak with your tax advisor to confirm your eligibility and to understand how to make the most of the credit.

  2. Fill Out IRS Form 5695: This form, available online, is specifically for claiming renewable energy credits. Guidelines for completing the form are provided.

  3. Apply Credits on Your 1040: Use the total credit amount from Form 5695 to lessen your tax liability on your Form 1040.

Disclaimer:

Always consult your tax expert to fully understand your eligibility for tax credits based on your unique situation. Wild Oak Trail offers this guide for educational purposes and does not assure tax credits based on the information given. This resource should not replace professional tax or financial advice and should not be the only factor in your purchasing, investment, or tax choices. Consult a tax expert for a personalized evaluation.

Additional Resources:

Best Price Guarantee

You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower! 

We love to chat! Give us a call and we'll see what we can do to get you the best deal!

Conditions of our 100% Price Match Guarantee:

  • Contact us to discuss the Price Match so we can look up the competitors price

  • Buy one, get one free offers and Rebates are not eligible

  • The item must be in stock on the competitors website

  • The competitor must be an online store, not a retail location

  • The website can't be a discounter or auction website ( such as eBay, overstock, etc.)

  • The company must be an Authorized Retailer of the product in question

  • The Price Match Guarantee is based on the final price of the product including shipping and taxes

Why Buy From Wild Oak Trail? 

We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.

We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!

We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.

Thanks for supporting our family and being part of the Wild Oak Trail community!

Description

Power Your Journey Anywhere: The Ultimate 12V DC-DC Battery Charger Solution

Whether you are designing a high-efficiency power setup for full-time van life, outfitting a marine vessel, or building a robust off-grid cabin system, reliable energy storage is the heartbeat of your lifestyle. The Rich Solar 12V DC-DC Battery Charger, available in versatile 20A, 40A, and 60A configurations, is engineered to be the ultimate link between your vehicle’s alternator and your auxiliary battery bank. Acting as both an advanced charger and a dual-battery isolator, it captures the power generated by your vehicle's engine while driving and safely delivers it to your house batteries.

Rich Solar 12V DC-DC Battery Charger 20A

Intelligent Power Management & Protection

Gone are the days of worrying about draining your starter battery or frying sensitive electronics. This intelligent unit boasts wide-ranging compatibility with traditional and smart alternators, seamlessly supporting AGM, Flooded, Gel, and Lithium (LiFePO4) chemistries. With integrated smart circuit protection, adaptive multi-stage charging profiles, and temperature-adjusting capabilities, this DC-DC charger guarantees that your battery bank charges safely, optimally, and faster than ever—ensuring you always have the power you need, exactly when you need it.




Rich Solar 12V DC-DC Battery Charger Features

Key Features & Benefits

  • Multi-Battery Chemistry Ready: A simple Mode Selection Switch allows you to toggle seamlessly between 12V AGM, Flooded, Gel, and Lithium batteries, making system upgrades painless.
  • Adaptive & Optimized Charging: Features a tailored 2-stage charging profile for lithium batteries (capable of reactivating over-discharged cells) and an optimized 3-stage profile to maximize the lifespan of lead-acid batteries.
  • Built-in Battery Isolation: Automatically separates the starter and auxiliary batteries when the engine is off, preventing reverse current and ensuring you are never left with a dead starting battery.
  • Alternator Friendly: Fully compatible with both smart and traditional alternators. Features an engine-safe D+ ignition terminal that ensures the auxiliary battery only charges when the vehicle is running.
  • Low-Current Mode (LC Terminal): Safely accommodates smaller alternators or weak power sources to prevent system overloading during the charging process.
  • Temperature-Adaptive Charging: Includes an RJ11 sensor port that dynamically adjusts the charging voltage in cold or hot environments to protect battery health (specifically for lead-acid chemistries).
  • Smart Circuit Protection: Operates with absolute peace of mind thanks to built-in defenses against over-voltage, over-temperature, and reverse polarity.
Rich Solar 12V DC-DC Battery Charger - Features Rich Solar 12V DC-DC Battery Charger - Features

Flexible Charging for All Setups

Rich Solar Flexible Charging for All Setups

Specifications & Model Comparison

Choose the perfect power output for your specific energy needs. All models feature an operating voltage range of 10–16VDC, an efficiency rating of >85% (@14VDC, 30% load), and the same intelligent 2-stage (Lithium) / 3-stage (Lead-Acid) charging modes.

Rich Solar 12V DC-DC Battery Charger 20A - Product Over view

RS-DC20 (20A Battery Charger)

  • Input/Output Nominal Voltage: 12VDC
  • Output Nominal Power: 250W
  • Output Nominal Current: 20A
  • Operating Current Range: 18-22A
  • Weight: 4.0 lbs
  • Dimensions: 8.4 × 7.4 × 3.1 in

Rich Solar 12V DC-DC Battery Charger 40A - Product Over view

RS-DC40 (40A Battery Charger)

  • Input/Output Nominal Voltage: 12VDC
  • Output Nominal Power: 500W
  • Output Nominal Current: 40A
  • Operating Current Range: 37-43A
  • Weight: 4.9 lbs
  • Dimensions: 10.3 × 7.4 × 3.1 in

Rich Solar 12V DC-DC Battery Charger 60A - Product Over view

RS-DC60 (60A Battery Charger)

  • Input/Output Nominal Voltage: 12VDC
  • Output Nominal Power: 750W
  • Output Nominal Current: 60A
  • Operating Current Range: 55-65A
  • Weight: 6.2 lbs
  • Dimensions: 12.3 × 7.4 × 3.1 in


Rich Solar 12V DC-DC Battery Charger Specs Sheet

Rich Solar 12V DC-DC Battery Charger  Specs Sheet

Rich Solar 12V DC-DC Battery Charger User Manual

Rich Solar 12V DC-DC Battery Charger  User Manual

Frequently Asked Questions

Can I use this DC-DC charger if my vehicle has a "smart" alternator?

Yes! The Rich Solar DC-DC Battery Charger is fully compatible with both traditional and modern smart alternators, safely utilizing the 12V starter battery connection to optimize power draw without triggering vehicle fault codes.

Will this charger drain my starter battery when the engine is off?

No. This unit functions as a battery isolator. By utilizing the D+ ignition terminal, it senses when the engine is running and only allows charging to the auxiliary battery during that time. When the engine is turned off, it isolates the two batteries to prevent your starter battery from being drained.

Does it support reviving a completely dead lithium battery?

Yes. The 2-stage adaptive charging profile designed specifically for lithium batteries has the capability to safely reactivate and fully charge over-discharged lithium cells.

What is the Low-Current (LC) mode used for?

The LC terminal is a safety feature meant to support vehicles with smaller alternators or systems pulling from weak power sources. Engaging this mode limits the current draw to prevent the system from being overloaded while still providing a steady charge.

Federal Solar Tax Credit

A Brief Overview of the U.S. Home Energy Tax Credit

Discover the financial advantages of the U.S. federal solar tax credit for homeowners considering installing a solar system in their main residence. This incentive provides a 30% discount on the current cost of a solar system. If you've set up a system in 2022, it's advisable to speak with your tax consultant to see if you're eligible for a higher credit rate.

Understanding the U.S. Federal Solar Tax Credit:

This tax credit is tailored for homeowners and applies to solar systems installed in primary homes. The credit covers a percentage of qualifying expenses, and thanks to the recent Inflation Reduction Act, the scope of the Investment Tax Credit (ITC) has broadened. Solar systems installed from 2022 to 2032 are eligible for a 30% tax credit, which will drop to 26% in 2033 and 22% in 2034. There's no cap on the amount you can claim.

What Expenses Are Eligible:

Qualifying expenses include solar photovoltaic panels, attic fan power systems (except for the fan itself), labor costs for installation and setup, balance-of-system components, and applicable sales taxes. Standalone batteries with a capacity of 3 kWh or more may also be eligible! For instance, if the solar system you initially purchase includes a single battery with a capacity of less than 3 kWh, but you also buy extra batteries during the installation process that bring the total capacity to more than 3 kWh, then the entire setup may be eligible for the tax credit.

How to Determine Your Eligibility:

To confirm your eligibility for this federal solar credit, review the guidelines set forth by the U.S. Department of Energy and consult your tax advisor.

Steps to Claim the U.S. Federal Solar Tax Credit:

  1. Verify Eligibility: Speak with your tax advisor to confirm your eligibility and to understand how to make the most of the credit.

  2. Fill Out IRS Form 5695: This form, available online, is specifically for claiming renewable energy credits. Guidelines for completing the form are provided.

  3. Apply Credits on Your 1040: Use the total credit amount from Form 5695 to lessen your tax liability on your Form 1040.

Disclaimer:

Always consult your tax expert to fully understand your eligibility for tax credits based on your unique situation. Wild Oak Trail offers this guide for educational purposes and does not assure tax credits based on the information given. This resource should not replace professional tax or financial advice and should not be the only factor in your purchasing, investment, or tax choices. Consult a tax expert for a personalized evaluation.

Additional Resources:

Best Price Guarantee!

Best Price Guarantee

You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower! 

We love to chat! Give us a call and we'll see what we can do to get you the best deal!

Conditions of our 100% Price Match Guarantee:

  • Contact us to discuss the Price Match so we can look up the competitors price

  • Buy one, get one free offers and Rebates are not eligible

  • The item must be in stock on the competitors website

  • The competitor must be an online store, not a retail location

  • The website can't be a discounter or auction website ( such as eBay, overstock, etc.)

  • The company must be an Authorized Retailer of the product in question

  • The Price Match Guarantee is based on the final price of the product including shipping and taxes

Why Buy From Us

Why Buy From Wild Oak Trail? 

We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.

We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!

We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.

Thanks for supporting our family and being part of the Wild Oak Trail community!