The Battery Tender Plus is a versatile, automatic battery charger designed for 12V, 6V, and 8V systems, ensuring efficient charging and maintenance of lead-acid batteries.
1.1 Overview of the Battery Tender Plus
The Battery Tender Plus is a 1.25A, fully automatic battery charger designed for 12V, 6V, and 8V lead-acid batteries. It features adaptive charging technology to optimize battery health and longevity. The charger includes spark-free circuitry for enhanced safety and status indicator lights to monitor charging progress. Suitable for standard, AGM, and deep-cycle batteries, it ensures proper charging and maintenance. Compact and lightweight, the Battery Tender Plus is ideal for automotive, marine, and RV applications, providing reliable performance for both storage and active use of batteries.
1.2 Importance of Reading the Instruction Manual
Reading the instruction manual is crucial for safe and effective use of the Battery Tender Plus. It provides essential safety precautions, such as avoiding sparks near batteries and proper grounding to prevent electric shock. The manual details correct connection procedures, ensuring polarity is respected to avoid damage. It also explains Charger operation, including status indicators and troubleshooting tips. Adhering to the manual reduces risks of accidents and ensures optimal battery performance and longevity. Proper usage, as outlined, guarantees reliable charging and maintenance for various battery types and applications.
Safety Precautions and Warnings
Adhere to safety guidelines to prevent accidents. Avoid sparks near batteries, ensure proper grounding, and never modify the AC cord. Follow all warnings to minimize risks.
2.1 General Safety Rules for Battery Charging
Always ensure a well-ventilated area away from open flames or sparks. Wear protective gear, including gloves and safety glasses, to prevent acid exposure. Avoid short circuits by keeping metal objects away from terminals. Never charge a frozen battery or mix different battery types. Ensure the charger is properly grounded to prevent electric shock. Follow the recommended charge rates and avoid overcharging, which can damage the battery or cause explosion risks. Keep children and pets away from the charging process to ensure safety.
2.2 Specific Warnings for the Battery Tender Plus
Do not modify the charger or use unauthorized accessories. Never charge a battery with less than 3 volts, as the charger requires a minimum voltage to activate. Avoid connecting clips or terminals backwards to prevent damage or sparks. Ensure the charger is disconnected from AC power before servicing. Keep the device away from water and excessive moisture to prevent electrical hazards. Follow all polarity guidelines strictly, with red to positive and black to negative connections. Never use the charger near flammable materials or in confined spaces without proper ventilation.
2.3 Handling Precautions to Avoid Accidents
Wear protective gloves and eyewear when handling batteries and the charger. Remove metal jewelry to prevent accidental short circuits. Ensure the charger is placed on a stable, non-flammable surface. Avoid overreaching or stretching cords, which may cause tripping. Keep children and pets away from the charging area. Never touch electrical components with wet hands or while standing in a wet environment. Properly secure all connections to avoid loose terminals that could spark. Always follow the recommended charging rates and monitor the battery during the charging process to prevent overheating or gas buildup.
2.4 Emergency Procedures in Case of an Incident
In case of an emergency, immediately disconnect the charger from the power source and the battery. If a spill occurs, neutralize the acid with baking soda and flush the area with water. For electrical shocks, turn off the power and seek medical help. If a fire starts, use a dry chemical extinguisher rated for electrical fires. Ventilate the area to prevent inhalation of fumes. Always keep a fire extinguisher nearby and ensure all safety protocols are followed to minimize risks during charging or maintenance.
Technical Specifications of the Battery Tender Plus
The Battery Tender Plus is a 12V, 6V, or 8V automatic charger with 1.25A output, designed for lead-acid batteries, featuring spark-free circuitry and adaptive charging technology.
3.1 Input and Output Voltage Details
The Battery Tender Plus operates on a 120V AC input at 60Hz and delivers a nominal output voltage of 12V or 6V DC. It supports various battery types, including lead-acid, AGM, and lithium iron phosphate. The charger’s output voltage adjusts during different charging phases: bulk charge at constant current, absorption at high constant voltage, and float maintenance at lower voltage. This ensures optimal charging without overcharging, making it suitable for batteries ranging from 1.2Ah to 200Ah. The voltage regulation ensures safe and efficient charging for all compatible battery systems.
3.2 Charge Current and Voltage Specifications
The Battery Tender Plus delivers a consistent charge current of 1.25A, ensuring a balance between efficiency and safety. The output voltage is dynamically adjusted to match the battery’s needs, transitioning from bulk to absorption and finally to float maintenance. This multi-stage charging maintains optimal voltage levels, preventing overcharging and extending battery life. The charger’s voltage specifications are designed to accommodate a wide range of lead-acid and lithium-ion batteries, making it versatile for various applications.
3.3 Compatibility with Different Battery Types
The Battery Tender Plus is designed to charge 12V, 6V, and 8V lead-acid batteries, including standard, deep-cycle, and AGM types. Its compatibility extends to six-cell lead-acid batteries ranging from 1.2Ah to 200Ah and three-cell configurations from 1.2Ah to 200Ah. Additionally, it supports four-cell lithium iron phosphate (LiFePO4) batteries. The charger’s universal design ensures safe and efficient charging across various applications, from automotive to marine and RV systems. Its adaptive charging algorithm adjusts to the specific needs of each battery type, ensuring optimal performance and longevity.
3.4 Overview of the Charger’s Design and Build
The Battery Tender Plus features a durable, compact design with a rugged enclosure to withstand harsh environments. It includes spark-free circuitry for safe operation and is equipped with a fused ring terminal for added protection. The charger is built with high-quality components to ensure reliability and longevity. Its design includes a 25-foot cord for flexible use and a quick-disconnect feature for easy battery connection. The charger is also equipped with status indicator lights to monitor charging progress and is built to meet FCC and Industry Canada safety standards for reliable performance.
Installation and Mounting Instructions
Mount the charger securely in a well-ventilated area, away from flammable materials. Ensure proper grounding and safe connection of the AC power cord for reliable operation.
4.1 Choosing the Right Location for Installation
When selecting a location for your Battery Tender Plus, ensure it is well-ventilated and away from flammable materials. Avoid areas exposed to excessive moisture or direct sunlight. The charger should be placed on a stable, flat surface to prevent accidental tipping. Additionally, choose a location that allows easy access for monitoring and maintenance. Always follow the manufacturer’s guidelines to ensure safe and optimal performance of the charger.
4.2 Mounting the Charger Securely
Mount the Battery Tender Plus in a secure, stable location using screws or brackets to prevent movement. Ensure the surface is flat and durable to support the charger’s weight. Avoid mounting near flammable materials, batteries, or fuel sources. Use the provided hardware or compatible fasteners to ensure a tight fit. If installing in a vehicle, consider vibration and moisture exposure. Proper mounting prevents damage to the charger and ensures safe operation. Improper installation may void the warranty or pose safety hazards. Always refer to the manual for specific mounting guidelines.
4.3 Connecting the AC Power Cord Safely
Connect the AC power cord to a grounded, 120V outlet, ensuring it is properly installed per local codes. Never alter the cord or plug to fit an outlet. Avoid using adapters unless necessary, and ensure they are grounded. If the outlet lacks grounding, consult a licensed electrician to install a proper one. Use the cord in a dry, secure location, away from heat sources or flammable materials. Prevent the cord from being pinched or damaged, as this could cause electric shock. Always follow the manual’s guidelines for safe AC power connection to avoid hazards and ensure reliable operation.
4.4 Ensuring Proper Grounding of the Charger
Proper grounding is essential for safe operation. The charger’s AC cord includes an equipment-grounding conductor and a grounding plug. Always use a properly grounded outlet. To verify grounding, check if the outlet has a third (grounding) prong. If unsure, consult a licensed electrician. Temporary adapters may be used in non-grounded outlets, but ensure the adapter’s ground lug is securely connected to a grounded surface. Never bypass or alter the grounding feature, as this could lead to electric shock or device damage. Proper grounding ensures safety and optimal performance of the Battery Tender Plus charger.
Connecting the Charger to the Battery
Connect the charger using ring terminals or alligator clips, ensuring correct polarity: red to positive (+) and black to negative (-). Spark-free circuitry enhances safety during connection.
5.1 Preparing the Charger for Connection
Before connecting the Battery Tender Plus, ensure the charger is unplugged from AC power. Verify the charger is set to the correct voltage (6V, 8V, or 12V) for your battery. Inspect the charger, cables, and connectors for damage or wear. Ensure the battery terminals are clean and free of corrosion. If necessary, disconnect the battery from the vehicle or device to prevent electrical interference. The charger’s spark-free circuitry ensures safe connection, but always connect the charger to the battery before plugging it into AC power for proper initialization.
5.2 Using Ring Terminals for Connection
To connect the Battery Tender Plus using ring terminals, attach the positive (red) ring terminal to the battery’s positive post and the negative (black) to the negative post. Ensure a secure connection by tightening the terminals firmly. Avoid over-tightening to prevent damage. The charger’s fused ring terminals with quick disconnects (PN 081-0069-6) provide added safety and convenience. Always double-check polarity to prevent short circuits or damage. Properly connected terminals ensure reliable charging and maintenance of your battery, adhering to the charger’s specifications and safety guidelines.
5.3 Using Alligator Clips for Temporary Charging
For temporary charging, attach the alligator clips from the Battery Tender Plus to the battery terminals. Ensure the red (positive) clip connects to the positive terminal and the black (negative) to the negative terminal. Avoid touching the clips to metal objects to prevent sparks. Before connecting, ensure the charger is unplugged from AC power. The clips’ spark-free design enhances safety, but correct polarity is crucial to avoid damage. This method is ideal for quick charging without permanent installation, ensuring convenient and safe temporary use of the charger.
5.4 Understanding Polarity and Correct Connections
Correct polarity is crucial when connecting the Battery Tender Plus to your battery. The red (positive) lead must connect to the positive terminal, and the black (negative) lead to the negative terminal. Incorrect connections can damage the charger or battery. Always verify polarity before connecting. If connected improperly, the charger’s LED indicators will flash red and green alternately, signaling an error. Ensure terminals are clean and secure to maintain proper conductivity. Refer to your vehicle or battery manual for specific polarity configurations, and always double-check connections to avoid safety risks or equipment damage.
Charging Process and Monitoring
The Battery Tender Plus offers automatic charging with status indicators showing charge modes: bulk, absorption, and maintenance. It monitors battery health and adjusts output for optimal charging.
6.1 Automatic Charging and Battery Status Monitoring
The Battery Tender Plus features automatic charging, allowing it to remain connected to the battery and AC power for extended periods. It continuously monitors the battery’s condition and adjusts charge modes accordingly. The charger operates in three primary modes: bulk charging (constant current), absorption (constant voltage), and storage/float maintenance. This ensures the battery is fully charged and maintained without overcharging. The charger’s status indicator lights provide visual feedback, indicating the active charge mode and battery status, ensuring safe and efficient charging.
6.2 Understanding the Charger’s Status Indicator Lights
The Battery Tender Plus features two-colored status indicator lights to monitor charging progress. The red light indicates bulk charging (0-85% capacity), while the green light signals full charge and maintenance mode. If both lights flash alternately, it indicates a fault, such as incorrect polarity. No lights mean the battery is not connected or the charger is unplugged. These indicators provide clear visual feedback, ensuring safe and efficient charging without constant monitoring.
6.3 Estimating the Time Required to Charge a Battery
The Battery Tender Plus charges at a rate of 1.25 Amps. For a fully discharged 15Ah battery, charging to 80% capacity takes approximately 10 hours. The charger automatically adjusts its output based on the battery’s condition, extending charge time for deeply discharged batteries. Factors like battery age and capacity affect total charging duration. The charger’s status lights indicate progress, ensuring accurate time estimation without constant monitoring. This feature allows users to plan effectively, knowing the charger will maintain the battery safely once fully charged.
6;4 Special Considerations for Dead or Low-Voltage Batteries
The Battery Tender Plus requires a minimum of 3 volts from the battery to initiate charging. For dead batteries with voltage below 3V, the charger will not start, and the red light will flash. If a 12V battery rests below 9V, it may be defective, as a fully charged 12V battery typically reads 12.9V. The charger’s safety circuit prevents operation on overly discharged batteries to avoid damage or risk of explosion. Always ensure the battery meets the minimum voltage requirement before connecting the charger.
Maintenance and Care of the Charger and Battery
Regular maintenance ensures optimal performance. Clean the charger and terminals periodically. Avoid exposure to excessive moisture. Store the charger and battery in a cool, dry place and follow storage guidelines to prolong lifespan.
7.1 Cleaning and Maintaining the Charger
Regular cleaning and maintenance are essential for optimal performance. Avoid exposing the charger to excessive moisture and humidity. Use a soft, dry cloth to wipe down the unit, ensuring no dirt or debris accumulates on the surface or terminals. Never use harsh chemicals or abrasive materials, as they may damage the components. Before cleaning, unplug the charger from the power source. Allow the charger to cool and dry completely before reuse. Inspect the cord and connections regularly for signs of wear. Proper care extends the lifespan and ensures safe operation.
7.2 Tips for Extending Battery Life
Proper care and maintenance are crucial for maximizing battery lifespan. Avoid deep discharges by keeping the battery charged when not in use. Store the battery in a cool, dry place, away from extreme temperatures. Regularly monitor the battery’s voltage and ensure it is within the recommended range. Avoid overcharging, as this can degrade the battery’s capacity. Use the Battery Tender Plus to maintain the battery at the correct storage voltage, preventing sulfation and extending its service life. Always follow the charger’s guidelines for optimal results.
7.3 Proper Storage of the Charger and Battery
Store the Battery Tender Plus and the battery in a cool, dry, well-ventilated area away from direct sunlight and flammable materials. Ensure the battery is fully charged before storage to prevent sulfation. Keep the charger and battery away from children and pets. Avoid extreme temperatures, as they can affect performance. If storing for long periods, disconnect the battery from any devices and check its voltage periodically. Clean both the charger and battery terminals to prevent corrosion. Always follow safety guidelines to maintain reliability and safety during storage. Proper storage ensures longevity and optimal functionality when reused.
Troubleshooting Common Issues
Troubleshoot issues by checking connections, ensuring proper polarity, and verifying AC power. Refer to the manual for diagnostic guides and solutions to common problems efficiently.
8.1 Diagnosing Charger Malfunction
Diagnose charger malfunctions by checking status lights, connections, and power sources. If lights flash or no lights appear, ensure the battery is connected correctly and has sufficient voltage. Verify AC power is stable and outlets are functioning. Check for loose or corroded terminals and ensure polarity is correct. If issues persist, consult the troubleshooting guide or contact support for further assistance. Always refer to the manual for specific diagnostic procedures to resolve charger malfunctions effectively.
8.2 Resolving Connection-Related Problems
To resolve connection issues, ensure the charger’s clips or terminals are securely attached to the battery posts. Verify polarity, with red connected to positive and black to negative. Check for loose or corroded connections and clean them if necessary. Ensure the AC power cord is properly plugged in and grounded. If using ring terminals, confirm they are securely fastened. If problems persist, restart the charging process or consult the troubleshooting guide for further assistance. Always follow safety guidelines to avoid electrical hazards during troubleshooting. Regular maintenance can prevent connection-related issues.
8.3 Understanding Abnormal Indicator Light Behavior
Abnormal indicator light behavior on the Battery Tender Plus may indicate issues with the charging process. If the lights are unlit, check connections and ensure the charger is plugged in. Alternating red and green flashes suggest a wiring problem, such as reversed polarity; Verify that the positive (red) and negative (black) terminals are correctly connected. Consult the manual for troubleshooting steps or contact customer support if issues persist. Proper connection and polarity are crucial for safe and effective charging. Always refer to the user guide for detailed diagnostic procedures. Regular checks can prevent such issues.
Warranty and Customer Support
The Battery Tender Plus is backed by a limited warranty. For inquiries or issues, contact Deltran’s customer support team or visit authorized service centers for assistance.
9.1 Warranty Terms and Conditions
The Battery Tender Plus is covered by a limited warranty that protects against manufacturing defects. The warranty period varies depending on the product model and region. Generally, it covers repairs or replacements for defective parts for a specified duration, typically up to 5 years from the date of purchase. Damages caused by misuse, improper installation, or accidents are not covered; The warranty is non-transferable and applies only to the original purchaser. For full details, refer to the instruction manual or contact Deltran’s customer support team.
9.2 Contacting Customer Support
For assistance with the Battery Tender Plus, contact Deltran’s customer support team at 386-736-7900 or via email through their official website. Visit www.batterytender.com for detailed contact information, support resources, and troubleshooting guides. Representatives are available to address warranty claims, technical inquiries, and general support needs. Ensure to have your product serial number and purchase details ready for efficient service. Online support options include FAQs, manuals, and repair assistance to help resolve issues promptly.
9.3 Finding Authorized Service Centers
To locate an authorized service center for your Battery Tender Plus, visit the official Deltran website at www.batterytender.com. Use the “Service Centers” or “Support” section to find certified repair locations. Enter your ZIP code or region to view nearby options. Ensure repairs are performed by authorized personnel to maintain warranty validity. Contact customer support directly for assistance in finding the nearest service center. Always verify the center’s authorization to ensure genuine parts and reliable service for your charger.
Additional Resources and Information
For additional resources, visit the official Deltran website at www.batterytender.com to access FAQs, compatible accessories, and detailed product support for your Battery Tender Plus charger.
10.1 Where to Download the Full Instruction Manual
10.2 Frequently Asked Questions (FAQs)
10.3 Compatible Accessories and Upgrades
The Battery Tender Plus supports various accessories to enhance functionality. These include ring terminals, alligator clips, and quick-disconnect connectors for convenient battery connections. Fused ring terminals (PN 081-0069-6) provide added safety. For extended use, 25-foot, 50-foot, or 100-foot cords with 18 AWG or 16 AWG wiring are available. Grounding kits and adapter plugs ensure proper electrical connections. Visit the accessories page for a full list of compatible upgrades and to purchase directly from authorized retailers.
