- Description
- Shipping & Returns
- Why Buy From Us
Description
National Luna NLDC-25 and Auxiliary Battery Box Bundle
If you're seeking the dual battery charging capability of a DC-DC system and the portability of a Portable Power Pack at an affordable price, this bundle is perfect for you.
The National Luna NLDC-25 / Auxiliary Battery Box Bundle is a combination of several of National Luna's latest products into one incredible system.
Installation is straightforward: mount the DC-DC charger under the hood, connect the PPP cable from your main battery to it, and run it to your auxiliary battery.
All necessary wires, battery terminals, lugs, and inline fuses are included—all you need is the battery.
The ABB case accommodates up to a Group 31 size battery and is compatible with Lead Acid, AGM, and automotive Lithium batteries. The NLDC-25 charger also features a built-in MPPT Solar Controller. Order yours online today!
What's Included
Avoid the headaches! - Everything you need is included with the National Luna NLDC-25 and Auxiliary Battery Box Bundle and more!
- 1x National Luna NLDC-25 25A DC-DC Dual Battery Charger and Isolator
- 1x National Luna Auxiliary Battery Box
- 1x National Luna Portable Power Pack Cable Kit
- Optional National Luna NLDC-M2 Remote Display
- 2 x USB charge ports standard
- 2 x DC Sockets standard (1 x Cigar, 1 x Hella)
- NL5 Intelligent Charger port (charger available separately)
- 2x 50A grey coupler plugs
- 4x Spare pre-wired output ports
- 3-Year Limited Warranty
- Ships in 1-3 Business Days
- 30-Day No Stress Returns
- FAST & FREE SHIPPING To The Lower 48 States
NLDC-25 Charger Features
- True 25A output current - Provides a genuine 25A output current for efficient charging.
- 6-stage intelligent charge algorithm - Optimizes the charging process through six stages for maximum battery life and performance.
- 12V and 24V input - Compatible with both 12V and 24V input systems.
- Smart-alternator compatible - Designed to work with smart alternators found in modern vehicles.
- 25A, 375W MPPT solar controller - Integrated MPPT solar controller capable of handling up to 25A or 375W of solar input.
- Supports solar panels up to 42V - Compatible with solar panels with an output voltage of up to 42V.
- AGM, Gel, Wet, Calcium, Lithium Ion batteries supported - Compatible with a variety of battery types, including AGM, Gel, Wet, Calcium, and Lithium Ion.
- Battery temperature compensation for safe charging - Adjusts the charging voltage based on the battery temperature to ensure safe and efficient charging.
- Sealed to IP67 rating (waterproof) - Protected against water and dust ingress for reliability in harsh environments.
- Replaceable terminal block - Allows for easy replacement if needed.
- Short-circuit protected - Protected against short circuits to prevent damage.
- Reverse-polarity protected - Protected against reverse polarity connections to prevent damage.
- Over-voltage protected - Protected against excessive voltage to prevent damage.
- Over-temperature protected - Protected against high temperatures to prevent damage.
- Optional remote monitor - Can be connected to a remote monitor for convenient monitoring of the charging system.
NLDC-25 Charger Box Features
- NLDC-25 DC-DC charger - The main charger unit.
- Universal mounting plate & fixtures - For easy installation in various locations.
- In-line fuses & holders - To protect the charger and connected devices.
- Temperature compensation probe - Ensures optimal charging voltage based on battery temperature.
- Installation kit including lugs and screws - Everything needed for installation except electrical cables.
- Installation manual - Guides installation.
Auxiliary Battery Box Features
- Fused Outputs - Outputs protected by fuses to prevent damage.
- Simple Installation - Easy to install in most vehicles.
- Built-in Battery Volt meter - Displays the voltage of the connected battery.
- Compatible with most vehicles - Suitable for use with a wide range of vehicles.
- 2 x USB charge ports standard - Includes two USB ports for charging devices.
- 2 x DC Sockets standard (1 x Cigar, 1 x Hella) - Includes two standard DC sockets for connecting devices.
- 2 x 50A Grey coupler plugs standard - Includes two standard 50A grey coupler plugs for connecting to external power sources or devices.
- 4 x Spare pre-wired output ports - Additional pre-wired output ports for connecting devices.
- NL5 Intelligent Charger port (charger available separately) - Port for connecting the NL5 Intelligent Charger (sold separately).
- Suitable for most automotive batteries - Compatible with a wide range of automotive batteries.
NLDC-25 Charger Specifications
| Features | Specifications |
|---|---|
| Dimensions | 6.25”w x 6”H x 2”D |
| Unit Mounting Holes | 4.25” W x 7.70” H |
| SKU | BMS-30250 (NLDC-25 only), BMS-30251(NLDC-25 and NLDC-M2 Monitor) |
Auxiliary Battery Box Specifications
| Features | Specifications |
|---|---|
| Dimensions | 19.5”L x 10.15”W x 12”H |
| Max Battery Size | Group 31, 12.8”L x 7”W x 11”H |
| Cable Length | 7M (23’), 3.5M, 6M (Portable Power Pack Cable Kit) |
| Cable Diameter | 16mm sq (Portable Power Pack Cable Kit) |
| SKU | NL-NLDC-25-ABB-Bundle |
National Luna DC 25 Power Pack Instruction Manual
Do you need more information about specifications, installation, care, etc.? Check out the Instruction Manuals below:
Shipping & Returns
FREE SHIPING on orders above $250
Shipping is FREE on most orders with a total value above $250 to customers within the lower 48 United States (Contiguous United States). NOTE: For Front Runner orders, Free Shipping to the lower 48 states ONLY applies to rack kits and orders with a total value above $1,500
However, due to their size and weight, some products may require an LTL truck flat fee shipping charge based on the zone you live in. This flat fee rate will be calculated at checkout, but ONLY for certain brands and products.
Products where the LTL truck flat fee may apply are rooftop tents, roof racks, awnings, bumpers, bed racks, rock sliders, fridges, and drawer systems.
Brands where Flat Fee Shipping based on zones apply:
- Backwoods Adventure Mods
- BA Tents
- Body Armor
- CBI
- Eezi-Awn (only residential addresses)
- Front Runner / Dometic (FREE SHIPPING to the lower 48 states ONLY applies to rack kits and orders with a total value above $1,500)
- Prinsu
- TruckVault (only residential addresses)
- Tuff Stuff
- 23zero
Please refer to the zone map displayed below for your location.
Read more about the terms and conditions that apply in our Shipping Policy
30-Day Easy Returns
As experienced Overlanders, we fully understand that things do not always go according to plan.
That is why we offer you our "No Questions Asked" 30-Day Return Policy, so you can get back on the road for more adventures in a heartbeat.
Read more about the terms and conditions that apply in our Easy Returns Policy
Why Buy From Us
We know you have plenty of options when shopping for Overlanding gear online, so why choose Open Road Overland? Because we’re more than just a store—we’re your trusted partner for every adventure. Here’s why shopping with us is a game-changer:
REASON #1 - TRUST AND SECURITY - SHOP WITH CONFIDENCE
Your security is our top priority. We use encrypted SSL technology and are Level 1 PCI DSS compliant, ensuring your transactions and personal information are always protected. When you shop with us, you can trust that your data is safe and your purchase is secure.
REASON #2 - REAL-WORLD TESTED QUALITY - GEAR YOU CAN RELY ON
We’ve been Overlanding since 1998 — long before it became a buzzword. With 25 years of experience testing gear in the toughest conditions across six continents, we only sell products we would use ourselves. If it’s in our store, it’s been trail-tested and approved.
REASON #3 - EXPERT ADVICE - BECAUSE EXPERIENCE MATTERS
No matter what you drive—a passenger car, pickup truck, or a fully rigged 4x4—we have the knowledge to help you build the perfect setup. Our team has driven nearly everything and can guide you toward the best gear for your specific adventure needs.
REASON #4 - HASSLE-FREE SHOPPING - BECAUSE YOUR TIME MATTERS
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Fast and FREE Shipping on most orders above $250 to the lower 48 states
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30-Day Easy Returns. Not happy with your product, we'll take it back no questions asked, and without charging you ANY restocking fee. Ever!
REASON #5 - GREAT CUSTOMER SERVICE - WE'VE GOT YOUR BACK
We don’t just sell gear — we build relationships and pride ourselves on providing the best service, anywhere. Our dedicated Customer Service team is made up of real Overlanders who understand your needs and are ready to help with expert advice, product recommendations, and troubleshooting. Whether you have a question before purchase or need support after, we’re always here to ensure your experience is seamless and stress-free.
REASON #6 - A COMMUNITY THAT CARES - OVERLANDING FOR EVERYONE
Whether you’re a beginner just starting out or a seasoned pro pushing the limits, we believe Overlanding should be accessible to all. That’s why we offer both entry-level products and top-tier gear, ensuring every adventurer finds what they need. More than that, we’re here to help, guide, and support you every step of the way.
