Kings 25A DC-DC Charger offers efficient battery charging, and its manual, available in PDF, details installation, operation, and troubleshooting for optimal performance.
Overview of the Kings 25A DC-DC Charger
The Kings 25A DC-DC Charger is a robust power solution designed for adventurers and off-grid enthusiasts. This charger efficiently converts 12V DC power from a vehicle’s alternator to charge auxiliary batteries, ensuring a reliable power source for camping equipment and accessories.
Its key features include compatibility with both Lead Acid and Lithium LiFePO4 batteries, adjustable voltage settings, and a compact design for easy mounting. The downloadable manual (in PDF format) provides comprehensive wiring diagrams and safety guidelines. Understanding the manual is crucial for correct installation and maximizing the charger’s lifespan and performance.
Importance of the User Manual
The Kings 25A DC-DC Charger manual is paramount for safe and effective operation. It details crucial installation procedures, including proper wiring techniques – specifically connecting positive and negative cables with appropriate fuse installation.
Furthermore, the manual clarifies battery compatibility, outlining voltage limits for Lead Acid, Lithium LiFePO4, and other Lithium-Ion types. Accessing the PDF version from Adventure Kings or authorized dealers ensures users understand troubleshooting steps for common issues like a charger failing to power on or exhibiting low output. Ignoring the manual risks damage and voids the warranty.
Downloading the Manual
The Kings 25A DC-DC Charger manual in PDF format is readily available from the official Adventure Kings website and authorized dealer sites.
Official Adventure Kings Website
To obtain the Kings 25A DC-DC Charger manual directly, navigate to the official Adventure Kings website. Typically, you’ll find a dedicated ‘Support’ or ‘Downloads’ section easily accessible from the homepage. Within this area, utilize the search function and enter “Kings 25A DC-DC Charger” to pinpoint the correct document.
The manual is provided in PDF format, ensuring compatibility across various devices. Downloading from the official source guarantees you receive the most current and accurate version, complete with detailed diagrams, wiring instructions, and crucial safety information. Ensure a stable internet connection for a swift and successful download process.
Authorized Dealer Websites
Beyond the official Adventure Kings website, authorized dealers often host the Kings 25A DC-DC Charger manual for convenient access. Check the ‘Support’ or ‘Resources’ sections of reputable dealers’ websites specializing in 4WD and camping equipment. These dealers frequently provide downloadable PDF versions of product manuals, streamlining the process for customers.
Confirm the dealer’s authorized status to ensure the manual’s authenticity and accuracy. While convenient, always verify the document’s version date to guarantee it aligns with your specific charger model. This ensures you have the most up-to-date information for safe and effective operation.
Manual Format (PDF)
The Kings 25A DC-DC Charger manual is readily available as a Portable Document Format (PDF) file. This format ensures consistent viewing across various devices and operating systems, preserving formatting and diagrams. The PDF contains detailed instructions, wiring schematics, and troubleshooting guides essential for proper installation and operation.
Downloading the PDF allows offline access, making it ideal for remote locations without internet connectivity. It’s a comprehensive resource covering safety precautions, battery compatibility, and voltage settings. Ensure you have a PDF reader installed on your device to view and print the manual effectively.

Installation Guide
Proper installation involves safety precautions, mounting near the auxiliary battery, and careful wiring – connecting positive and negative cables with appropriate fuse installation.
Safety Precautions Before Installation
Before commencing installation of the Kings 25A DC-DC Charger, prioritize safety. Always disconnect the vehicle’s starter battery negative (-) terminal cable to prevent accidental shorts during wiring. Ensure the charger is mounted in a dry, well-ventilated location, away from flammable materials.
Double-check all connections for tightness and correct polarity. Never work on the electrical system with wet hands or in damp conditions. A 50A fuse (not supplied) must be fitted as close as possible to the auxiliary battery’s positive terminal for crucial circuit protection. Incorrect wiring can cause damage or injury, so consult the manual carefully.
Mounting Location Considerations
When selecting a mounting location for your Kings 25A DC-DC Charger, proximity to the auxiliary battery is paramount to minimize voltage drop and cable length. Choose a dry, well-ventilated area, shielded from direct water exposure and extreme temperatures.
Avoid mounting the charger near fuel lines, hot exhaust components, or moving parts. Ensure sufficient space around the unit for airflow and easy access for future maintenance or inspection. A solid, stable surface is essential to prevent vibration and potential damage. Refer to the manual for specific mounting guidelines and recommendations.
Wiring Instructions ⎯ Connecting to Batteries
Before commencing wiring, disconnect the vehicle’s starter battery negative (-) terminal for safety. Connect the brown cable from the Kings DC-DC Charger to the auxiliary battery’s positive (+) terminal. Critically, install a 50A fuse (not supplied) as close as possible to the auxiliary battery on this positive cable.
This fuse protects the system from overcurrent. Consult the manual for detailed wiring diagrams and ensure all connections are secure and appropriately sized for the current load. Incorrect wiring can cause damage or malfunction, so double-check all connections before re-connecting the vehicle battery.
Connecting the Positive (+) Cables
Begin by connecting the brown cable originating from the Kings DC-DC Charger directly to the positive (+) terminal of your auxiliary battery. It’s absolutely crucial to install a 50A fuse (not included) on this cable, positioning it as close as physically possible to the auxiliary battery’s positive terminal.
This fuse serves as vital protection against overcurrent situations. Refer to the manual for precise wiring diagrams. Ensure a secure and tight connection to prevent voltage drop and potential hazards. Double-check polarity before proceeding to the negative connection.
Connecting the Negative (-) Cables & Fuse Installation
Before connecting the negative cable, disconnect the negative (-) terminal cable from your vehicle’s starter battery – a critical safety precaution. Then, connect the black cable from the Kings DC-DC Charger to the negative (-) terminal of the auxiliary battery.
Remember, a fuse isn’t explicitly mentioned for the negative side in provided text, but always consult the manual for complete instructions. Ensure all connections are tight and secure. Reconnect the vehicle’s starter battery negative terminal after verifying all wiring is correct.

Battery Compatibility
The Kings DC-DC Charger supports 12V Lead Acid and Lithium LiFePO4 batteries (80-250Ah for the 25A model), with voltage considerations for other Lithium-Ion types.
Lead Acid Battery Compatibility
Kings 25A DC-DC chargers are fully compatible with 12V lead acid batteries, commonly found in various vehicles and applications. The manual emphasizes selecting the correct voltage settings for optimal charging of these battery types. Recommended battery capacity for the 25A model falls within the 80 to 250 Amp-hour range, ensuring efficient and safe charging.
Proper charging is crucial for maximizing the lifespan and performance of lead acid batteries. The manual provides detailed guidance on adjusting the charger’s settings to match the specific characteristics of your lead acid battery, preventing overcharging or undercharging. Always refer to the manual for specific recommendations based on your battery’s specifications.
Lithium LiFePO4 Battery Compatibility
The Kings 25A DC-DC charger demonstrates excellent compatibility with 12V Lithium Iron Phosphate (LiFePO4) batteries, a popular choice for their lightweight and high-performance characteristics. The manual stresses the importance of verifying voltage settings before connecting to LiFePO4 batteries to prevent damage; Recommended battery capacity for the 25A model is also 80-250Ah, mirroring lead-acid compatibility.
LiFePO4 batteries require specific charging profiles, and the manual details how to adjust the charger accordingly. Correct voltage settings are vital for maximizing LiFePO4 battery life and ensuring safe operation. Always consult the manual and your battery’s specifications for optimal charging parameters.
Other Lithium-Ion Battery Considerations
When utilizing lithium-ion batteries other than LiFePO4 with the Kings 25A DC-DC charger, careful consideration of charging voltage limits is crucial, as detailed in the manual. These battery chemistries often have different voltage requirements compared to LiFePO4 or lead-acid.
The manual emphasizes confirming if the charger’s adjustable voltage settings align with the specific lithium-ion battery’s specifications. Incorrect voltage can lead to reduced battery lifespan, performance issues, or even safety hazards. Always prioritize consulting both the charger’s manual and the battery manufacturer’s documentation before connecting.

Charging Voltage Limits
The Kings manual details adjustable voltage settings for various battery types, ensuring optimal and safe charging performance for diverse lithium-ion chemistries.
Understanding Voltage Settings
Kings DC-DC chargers feature adjustable voltage settings crucial for maximizing battery life and preventing damage. The manual emphasizes selecting the correct voltage based on your battery type – Lead Acid, Lithium LiFePO4, or other Lithium-Ion variants. Incorrect voltage can lead to undercharging, reducing capacity, or overcharging, potentially causing irreversible harm and safety hazards.
Understanding these settings is paramount. The manual provides clear guidance on identifying your battery’s recommended charging voltage. It details how to navigate the charger’s interface to adjust these parameters accurately. Always consult the battery manufacturer’s specifications alongside the Kings manual for the most precise settings.
Adjusting Voltage for Different Battery Types
The Kings DC-DC charger manual provides specific voltage adjustment instructions for various battery chemistries. For 12V Lead Acid batteries, a typical float voltage of 13.6-13.8V is recommended. Lithium LiFePO4 batteries require a different profile, generally around 14.4-14.6V, but always verify with the battery manufacturer.
Other Lithium-Ion batteries necessitate careful consideration; the manual stresses confirming voltage compatibility before charging. Incorrect settings can severely damage these batteries. The manual details the step-by-step process for voltage adjustment, emphasizing the importance of accurate settings for optimal charging and prolonged battery lifespan. Refer to the manual’s diagrams for clarity.

Technical Specifications
The Kings 25A DC-DC charger manual details input voltage range, output voltage/current (12V/25A), and efficiency ratings for informed installation.
Input Voltage Range
Kings DC-DC charger manual specifies a crucial input voltage range for optimal and safe operation. Understanding this range is paramount for preventing damage to both the charger and the vehicle’s electrical system. Typically, these chargers are designed to accept input voltages between 9V and 32V DC, accommodating various vehicle systems.
Operating outside this specified range can lead to inefficient charging, reduced charger lifespan, or even complete failure. The manual emphasizes verifying the vehicle’s voltage output before connecting the DC-DC charger, ensuring compatibility and preventing potential electrical issues. Consistent voltage within the accepted range guarantees reliable performance.
Output Voltage and Current
The Kings 25A DC-DC charger manual details its output capabilities, vital for matching battery requirements. This model delivers a consistent 13.8V DC output, suitable for charging various 12V battery types. Crucially, it provides a maximum continuous output current of 25 Amps, making it ideal for auxiliary batteries ranging from 80 to 250Ah (as recommended in the manual).
Understanding these specifications ensures efficient and safe charging. The manual stresses the importance of not exceeding the charger’s current limit to prevent overheating and potential damage. Proper output matching guarantees optimal battery health and longevity during charging cycles.
Efficiency Rating
The Kings 25A DC-DC charger manual doesn’t explicitly state a precise efficiency percentage, but highlights its design for minimal energy loss during conversion. A highly efficient DC-DC charger maximizes power transfer from the vehicle’s alternator to the auxiliary battery, reducing wasted energy as heat.
This translates to faster charging times and reduced strain on the vehicle’s electrical system. The manual emphasizes proper installation and wiring to maintain optimal performance and indirectly contribute to efficiency. Users should follow guidelines to minimize voltage drop and ensure a stable power supply for peak efficiency;

Troubleshooting Common Issues
The Kings manual provides guidance for issues like the charger not turning on, low output, and error codes, aiding quick diagnosis and resolution.
Charger Not Turning On
If the Kings 25A DC-DC charger fails to power on, consult the user manual for systematic troubleshooting. First, verify the input voltage from the vehicle’s battery is within the specified range. Ensure all wiring connections, particularly the positive and negative terminals, are secure and free from corrosion.
Check the installed fuse – a blown fuse is a common cause. Replace it with the recommended amperage fuse as detailed in the manual. Confirm the remote switch (if used) is in the ‘on’ position. If the problem persists, inspect the charger’s internal fuse (if accessible) and consider potential issues with the vehicle’s charging system itself.
Low Charging Output
Experiencing low charging output from your Kings 25A DC-DC charger? The manual guides you to first check the battery’s state of charge – a deeply discharged battery will take longer to reach full capacity. Verify the selected voltage settings are appropriate for your battery type (Lead Acid or Lithium LiFePO4), as incorrect settings limit charging efficiency.
Inspect the wiring for any loose connections or corrosion, which can impede current flow. Ensure the cable gauge is sufficient for the distance and current draw. A partially blown fuse can also cause reduced output; replace it if necessary. Refer to the manual’s troubleshooting section for further diagnostics.
Error Codes and Their Meanings
The Kings 25A DC-DC charger’s manual details specific error codes displayed to indicate potential issues. These codes are crucial for efficient troubleshooting. For example, a flashing light might signal over-voltage protection activation, indicating a voltage exceeding safe limits. Another code could point to a short circuit detected in the output wiring.
The manual provides a comprehensive table listing each error code, its corresponding description, and recommended corrective actions. Understanding these codes allows users to quickly diagnose problems and prevent further damage. Always consult the manual before attempting repairs or contacting support.

Fuse Selection and Replacement
The manual recommends a 50A fuse (not supplied) installed as close as possible to the auxiliary battery for optimal protection, ensuring safe operation.
Recommended Fuse Type
Kings DC-DC chargers necessitate a specific fuse type for reliable operation and safety. The manual explicitly states a 50A fuse is required when connecting to an auxiliary battery, though it’s crucial to note this fuse isn’t included with the charger itself. Selecting the correct fuse is paramount; a fast-blow fuse is generally recommended to protect the system from overcurrent situations.
Avoid using slow-blow or time-delay fuses, as they may not react quickly enough to prevent damage during a short circuit. Always ensure the fuse holder is appropriately rated for the fuse amperage and securely mounted. Regularly inspect the fuse for any signs of damage or corrosion, replacing it immediately if necessary to maintain optimal performance and prevent potential hazards.
Fuse Ampere Rating
Determining the correct fuse ampere rating is critical for Kings DC-DC charger safety and functionality. The manual clearly specifies a 50A fuse is required for protecting the connection to the auxiliary battery. This rating safeguards the wiring and charger from potential overcurrents. Using a fuse with a lower amperage can lead to nuisance tripping, interrupting charging.
Conversely, a higher amperage fuse offers insufficient protection, potentially allowing damaging currents to flow. Always adhere to the 50A recommendation. Regularly check the fuse condition, and replace it with an identical 50A fuse if blown, ensuring continued safe and efficient operation of your charging system.

Warranty Information
The Kings DC-DC Charger is backed by a warranty; the manual details the coverage period and specifics regarding defects and claim procedures.
Warranty Period
The Kings DC-DC Charger warranty period is a crucial aspect outlined within the product’s manual. Typically, Adventure Kings offers a warranty against manufacturing defects and component failures for a defined duration from the original purchase date. While specific lengths can vary, it’s commonly a period of 12 months.
It’s essential to retain proof of purchase, such as a receipt or invoice, to validate any warranty claims. The manual will clearly state the start and end dates of the warranty coverage, ensuring customers understand their rights and responsibilities. Carefully reviewing this section is highly recommended.
Warranty Coverage Details
The Kings DC-DC Charger warranty, as detailed in the manual, generally covers defects in materials and workmanship under normal use. This includes failures due to faulty manufacturing processes or substandard components. However, the warranty typically doesn’t cover damage resulting from misuse, accidental damage, improper installation, or modifications.
Claims require proof of purchase and a clear description of the fault. Adventure Kings may require the product’s return for inspection. The warranty usually offers repair or replacement as a remedy, at their discretion. Refer to the manual for specific exclusions and claim procedures.

Additional Resources
For support or FAQs regarding the Kings 25A DC-DC Charger, consult the official Adventure Kings website or contact their support team directly.
Adventure Kings Support Contact Information
Adventure Kings provides comprehensive support for their DC-DC chargers, including the 25A model. Customers seeking assistance with the manual, installation, or troubleshooting can reach out through several channels.
Their official website, adventurekings.com.au, features a dedicated support section with FAQs and downloadable resources. For direct assistance, you can contact their customer support team via email at support@adventurekings.com.au.
Alternatively, phone support is available during business hours; check the website for the most up-to-date contact number. Ensure you have your charger’s model number handy when contacting support for quicker assistance.
Frequently Asked Questions (FAQ)
Q: Where can I find the Kings 25A DC-DC Charger manual? A: It’s readily available as a PDF download from the official Adventure Kings website and authorized dealer sites.
Q: What battery types are compatible? A: The charger supports 12V Lead Acid and Lithium LiFePO4 batteries. Refer to the manual for other Lithium-Ion considerations and voltage limits.
Q: What fuse rating is recommended? A: A 50A fuse (not supplied) should be fitted as close as possible to the auxiliary battery’s positive terminal. Consult the manual for detailed wiring instructions;