Deltran Battery Tender Manual: A Comprehensive Guide
Deltran’s comprehensive guides detail charging and maintenance‚ revolutionizing battery life through smart technology for motorcycles‚ ATVs‚ and watercraft․
Deltran Battery Tenders have become synonymous with reliable battery maintenance‚ offering a range of solutions for various 12V and 6V battery types․ For generations‚ this family-owned company‚ based in Central Florida‚ has pioneered innovative power-related products․
Initially‚ the Battery Tender Plus revolutionized the market with its smart charging technology‚ extending battery lifespan for vehicles like motorcycles‚ ATVs‚ and boats․ Deltran’s commitment extends beyond just products; they provide comprehensive manuals and resources to ensure users maximize their battery’s potential․ These tenders aren’t just chargers; they are complete battery management systems designed for optimal performance and longevity․
Understanding Battery Tender Plus (Model 021-0128)
The Deltran Battery Tender Plus (Model 021-0128) is a 12V‚ 1․25 AMP automatic battery charger designed for maintaining and extending battery life․ This unit is a cornerstone of Deltran’s product line‚ known for its reliability and advanced features․ It’s suitable for a wide array of vehicles‚ including motorcycles‚ ATVs‚ and watercraft․
This model boasts a full charge capability before automatically switching to float mode‚ preventing overcharging and ensuring optimal battery health․ The Battery Tender Plus is designed for ease of use‚ featuring a straightforward interface and robust construction․ Its popularity is reflected in its widespread availability and positive user reviews․
Key Features of the Battery Tender Plus
The Battery Tender Plus distinguishes itself through several key features․ Firstly‚ its 1․25 Amp charging capacity provides efficient and effective charging for various battery sizes․ Secondly‚ its Smart Charging Technology & Float Mode ensures batteries receive optimal charging without risk of overcharge‚ maximizing lifespan․

Furthermore‚ Deltran backs the Battery Tender Plus with an impressive 10-Year Warranty‚ demonstrating confidence in its durability and performance․ These features combine to make it a trusted choice for battery maintenance‚ offering peace of mind and long-term value to users across diverse applications․
1․25 Amp Charging Capacity
The Battery Tender Plus’s 1․25 Amp charging capacity is specifically engineered for maintaining a wide range of 12V batteries․ This amperage is ideal for motorcycles‚ ATVs‚ watercraft‚ and other vehicles with smaller to medium-sized batteries․ It delivers a controlled and consistent charge‚ preventing damage from overcharging while effectively replenishing lost power․
This capacity allows for versatile use‚ suitable for both initial charging and long-term maintenance․ The 1․25 Amp output ensures efficient energy transfer‚ optimizing battery health and extending its overall lifespan․ It’s a key factor in the Battery Tender Plus’s reliable performance․
Smart Charging Technology & Float Mode
Deltran’s Smart Charging Technology dynamically adjusts the charging process based on the battery’s needs‚ ensuring optimal performance and longevity․ This intelligent system prevents overcharging‚ a common cause of battery failure․ Once the battery reaches full charge‚ the Battery Tender Plus seamlessly transitions to Float Mode․
Float Mode maintains the battery at its peak voltage without risk of damage‚ compensating for self-discharge․ This is crucial for long-term storage or vehicles used infrequently․ The combination of smart charging and float mode delivers a superior charging solution‚ maximizing battery life and reliability․
10-Year Warranty
Deltran demonstrates unwavering confidence in the quality and durability of the Battery Tender Plus with an industry-leading 10-Year Warranty․ This extensive coverage protects against defects in materials and workmanship‚ providing peace of mind for users․ It signifies Deltran’s commitment to customer satisfaction and product reliability․
The warranty underscores the robust design and rigorous testing applied to each Battery Tender․ Should any issues arise during the warranty period‚ Deltran will repair or replace the unit‚ ensuring continued optimal performance․ This exceptional warranty sets Deltran apart‚ solidifying its reputation for excellence․
Different Deltran Battery Tender Models
Deltran offers a diverse range of Battery Tender models to suit various needs․ The Battery Tender Junior provides a compact and cost-effective solution for basic battery maintenance․ The popular Battery Tender Plus‚ a flagship product‚ delivers advanced features and a robust charging profile․
For golf cart enthusiasts‚ Deltran provides High Frequency SUPERSMART Golf-Cart Style Models‚ specifically engineered for larger battery systems․ These models cater to different battery types and capacities‚ ensuring optimal charging performance․ Each model maintains Deltran’s commitment to quality and innovation‚ offering reliable battery care․
Battery Tender Junior
The Battery Tender Junior is a compact and user-friendly charger‚ ideal for maintaining smaller 12V batteries․ It’s a cost-effective solution for motorcycles‚ cars‚ and other seasonal vehicles․ This model features a simple‚ one-LED design indicating charging status․
Designed for flooded‚ AGM‚ and GEL batteries‚ the Junior delivers a consistent‚ low-amperage charge to prevent sulfation and extend battery life․ It’s a reliable choice for those seeking a straightforward battery maintenance solution․ Deltran ensures quality and ease of use in this smaller‚ yet capable‚ charger․
Battery Tender Plus

The Battery Tender Plus (model 021-0128) is a versatile 12V‚ 1․25 AMP charger renowned for its smart charging technology and industry-leading 10-year warranty․ It’s designed to extend battery life for a wide range of vehicles‚ including motorcycles‚ ATVs‚ and watercraft․
This advanced charger automatically switches to float mode once the battery is fully charged‚ maintaining optimal battery health․ It’s compatible with flooded‚ AGM‚ and GEL batteries‚ offering a comprehensive maintenance solution․ Deltran’s Battery Tender Plus provides peace of mind and reliable performance․
High Frequency SUPERSMART Golf-Cart Style Models

Deltran’s High Frequency SUPERSMART Golf-Cart style battery chargers represent a sophisticated charging solution‚ designed for optimal performance and longevity․ These models utilize advanced high-frequency technology for efficient and effective charging of various battery types․
They are specifically engineered to cater to the demands of golf cart batteries‚ but are also suitable for other applications․ Importantly‚ these models are designed to charge true Gel Cell batteries‚ alongside Flooded‚ AGM‚ and LiFePO4 options‚ offering broad compatibility․ Deltran ensures reliable power solutions․
Battery Types Compatible with Deltran Tenders
Deltran Battery Tenders demonstrate remarkable versatility‚ supporting a wide array of battery chemistries․ These include traditional Flooded Lead-Acid batteries‚ commonly found in older vehicles and equipment․ Furthermore‚ they are fully compatible with AGM (Absorbent Glass Mat) batteries‚ known for their spill-proof design and enhanced performance․
Deltran also caters to GEL batteries‚ requiring specific charging profiles‚ and the increasingly popular Lithium Iron Phosphate (LiFePO4) batteries‚ offering lightweight and high energy density․ The chargers are designed to optimize charging for each type‚ ensuring longevity and efficiency․
Flooded Lead-Acid Batteries
Deltran Battery Tenders effectively charge and maintain Flooded Lead-Acid batteries‚ the conventional type found in many vehicles and powersports equipment․ These batteries contain a liquid electrolyte solution‚ making them more prone to gassing during charging․ Deltran’s smart charging technology manages this process‚ preventing overcharging and extending battery life․
Proper maintenance with a Battery Tender ensures the electrolyte levels remain optimal and prevents sulfation‚ a common issue with these batteries during prolonged storage․ Regular charging with a Deltran tender keeps them ready for use‚ maximizing their performance and lifespan․
AGM (Absorbent Glass Mat) Batteries
Deltran Battery Tenders are fully compatible with AGM (Absorbent Glass Mat) batteries‚ a sealed lead-acid type known for its spill-proof design and vibration resistance․ These batteries are commonly used in motorcycles‚ ATVs‚ and UPS systems․ Deltran’s smart charging algorithms are specifically tuned to optimize the charging process for AGM batteries‚ ensuring they receive the correct voltage and current․
Unlike flooded batteries‚ AGMs don’t require regular electrolyte checks․ A Battery Tender maintains optimal charge levels‚ preventing sulfation and maximizing the battery’s lifespan without the risk of acid spills or maintenance concerns․
GEL Batteries
Deltran Battery Tenders effectively charge GEL batteries‚ another sealed lead-acid type‚ offering a robust and maintenance-free power solution․ GEL batteries are often found in applications demanding high reliability‚ like security systems and electric wheelchairs․ However‚ they require a specific charging profile to avoid damage․
Deltran chargers‚ particularly the Battery Tender Junior‚ Plus‚ and High Frequency SUPERSMART Golf-Cart style models‚ are designed to deliver this precise charging profile․ They prevent overcharging‚ which can cause gassing and reduce the battery’s lifespan․ Proper charging ensures optimal performance and longevity for your GEL battery․
Lithium Iron Phosphate (LiFePO4) Batteries

Deltran Battery Tenders are increasingly compatible with Lithium Iron Phosphate (LiFePO4) batteries‚ a popular choice for their lightweight design and high energy density․ These batteries are commonly used in RVs‚ marine applications‚ and electric vehicles․ However‚ LiFePO4 batteries require a specialized charging algorithm differing from traditional lead-acid batteries․

Certain Deltran models‚ specifically those designed for six-cell and three-cell Flooded/AGM/GEL Lead-Acid batteries and four-cell LiFePO4 batteries‚ offer the necessary charging profiles․ Utilizing the correct charger ensures safe and efficient charging‚ maximizing the lifespan and performance of your LiFePO4 battery investment․
Using Your Deltran Battery Tender: Step-by-Step Instructions
First‚ connect the red (+) clamp to the positive terminal of your battery‚ and the black (-) clamp to the negative terminal․ Second‚ plug the Battery Tender into a standard 120V AC outlet․ The LED indicator will illuminate‚ signaling the charging process has begun․
The Tender will automatically cycle through charge stages‚ switching to float mode once the battery is fully charged․ Disconnect the charger by unplugging it from the outlet before removing the clamps․ Always ensure proper ventilation during charging and consult the manual for specific model instructions․
Safety Precautions When Using a Battery Tender
Always charge batteries in a well-ventilated area‚ as they can produce explosive gases․ Never charge a frozen battery; thaw it first․ Ensure the charger is used indoors and protected from the elements․ Do not disassemble the Battery Tender‚ as this voids the warranty and poses a safety risk․
Inspect the clamps and wiring for damage before each use․ Avoid contact with battery acid․ Disconnect the charger before connecting or disconnecting the battery․ Follow all instructions in the manual and heed warning labels for safe operation and prolonged battery life․
Troubleshooting Common Issues
If the Battery Tender isn’t charging‚ verify the AC power connection and ensure the battery terminals are clean and securely connected․ Check the battery voltage; a severely discharged battery may not register․ For LED indicator light problems‚ a flashing light often signals a fault – consult the manual for specific codes․

Ensure the correct battery type is selected if your tender has multiple settings․ If issues persist‚ try a different outlet or battery․ Remember to review the troubleshooting section in your Deltran manual for detailed guidance and potential solutions to common problems․
Battery Tender Not Charging
If your Deltran Battery Tender fails to charge‚ first confirm a secure AC power connection and a functioning outlet․ Inspect the battery terminals for corrosion or looseness‚ cleaning them if necessary․ A deeply discharged battery might initially not register; allow a few minutes for the tender to recognize it․

Verify the correct battery type setting is selected on the unit․ Try a different battery to rule out a battery-specific issue․ Consult the manual for specific troubleshooting steps related to your model‚ as error indicators can pinpoint the problem․
LED Indicator Light Problems
Deltran Battery Tender LED lights indicate charging status; a flashing or absent light signals a potential issue․ A solid red light typically means charging‚ while solid green indicates float mode․ If the light flashes red‚ check the battery connections and type setting․ No light may indicate a power supply problem or a faulty unit․
Refer to your model’s manual for specific LED code interpretations․ Ensure the battery is compatible with the selected charging mode․ If the problem persists‚ contact Deltran support‚ providing the model number and a detailed description of the LED behavior․
Deltran Battery Tender VRW Power Tender Plus

The Deltran Battery Tender VRW Power Tender Plus is a robust charger designed for demanding applications․ It features a weatherproof enclosure‚ making it suitable for marine and outdoor use․ This model offers advanced charging algorithms and temperature compensation for optimal battery health․ It’s compatible with various battery types‚ including flooded‚ AGM‚ and gel‚ and even LiFePO4 batteries․
The VRW model provides a higher charging current than standard tenders‚ reducing charging times․ Its versatile design and durable construction ensure reliable performance in challenging environments․ Consult the specific VRW manual for detailed instructions and safety precautions․
Where to Find Deltran Battery Tender Manuals Online
Deltran Battery Tender manuals are readily accessible online through several avenues․ The official Deltran website hosts a comprehensive archive of manuals for all their products‚ searchable by model number․ Additionally‚ many retailers that sell Deltran chargers‚ like Amazon and eBay‚ often provide downloadable manuals on their product pages․
Third-party websites specializing in manuals‚ such as ManualsLib‚ also offer a convenient resource․ Simply search for “Deltran Battery Tender” and your specific model to find the corresponding PDF manual․ Ensure you download from reputable sources to avoid malware․

Deltran: Company Overview & History
Deltran‚ a family-owned and operated business based in Central Florida‚ has established itself as a leader in battery and charging technology for generations․ Specializing in innovative power-related products‚ Deltran caters to a diverse global customer base․ The company’s commitment to quality and innovation is evident in its iconic Battery Tender Plus‚ which revolutionized battery maintenance․
Deltran designs‚ manufactures‚ and distributes products focused on extending battery life and optimizing performance․ Their dedication to customer needs and continuous improvement has solidified their reputation as a trusted name in the industry․