1. Product Overview
The Unocho 24V 5A Automatic Smart Battery Charger is designed for efficient and safe charging of 24V AGM, GEL, SLA, and other lead-acid batteries. It features a 3-pin XLR connector, an I/O switch, and multiple safety protections, making it suitable for various applications including wheelchairs, mobility scooters, cars, and boats.
Key Features:
- Fast and Efficient Charging: Provides 5A constant current output, compatible with 7Ah–120Ah lead-acid batteries, and supports AC100-240V input for global use.
- Safe and Reliable: Designed to UL/CE/CCC safety standards with an intelligent 4-step charging program (Initialization, Bulk Charge, Absorption, Float Mode) and ultra-low standby power consumption.
- Unique Design: Features a high-density aluminum casing, I/O switch, 4-speed fan for heat dissipation, IP65 waterproof rating, and LED indicators for power and charging progress.
- Multiple Safety Protections: Includes protections against short circuit, overvoltage, overcurrent, overload, and reverse polarity.
- Wide Application Range: Suitable for SLA / VRLA / Flooded (Wet) / Calcium type deep cycle / GEL / AGM lead-acid batteries used in wheelchairs, electric carts, vehicles, motorcycles, and trucks.
2. Setup Instructions
Follow these steps to properly set up your Unocho 24V 5A Automatic Smart Battery Charger:
- Unpack the Charger: Carefully remove the charger and all accessories from the packaging. Inspect for any visible damage.
- Ensure Ventilation: Place the charger in a well-ventilated area, away from flammable or explosive materials. Ensure adequate space around the charger for heat dissipation.
- Connect to Battery: Connect the 3-pin XLR output connector of the charger to the corresponding port on your 24V battery or device. Ensure a secure connection.
Image 2.1: Diagram illustrating the 3-pin XLR connector, showing Pin-1 as positive, Pin-2 as negative, and Pin-3 as empty. This ensures correct polarity connection. - Connect to Power Outlet: Plug the AC input cable into the charger's AC inlet, then plug the other end into a standard AC100-240V power outlet.
Image 2.2: The charger's AC input interface and the standard power plug for connecting to a wall outlet. - Power On: Flip the I/O switch on the charger to the "ON" position. The red power indicator light should illuminate.
Important: Always connect the charger to the battery first before plugging it into the AC power outlet. Disconnect from AC power before disconnecting from the battery.
3. Operating Instructions
The Unocho Smart Battery Charger features an intelligent 4-stage charging process and clear LED indicators to monitor charging status.
Charging Process:
- Initialization: The charger analyzes the battery's condition.
- Bulk Charge: Delivers maximum current to rapidly charge the battery up to approximately 80% capacity.
- Absorption Mode: Charges at a decreasing current to bring the battery to 100% capacity.
- Float Mode: Maintains the battery at full charge with a small, constant voltage, preventing overcharging and extending battery life.
LED Indicators:
- Red LED (Power): Indicates the charger is connected to AC power and is turned on.
- Green LEDs (Charging Progress): Four green LEDs indicate the battery capacity from 25% to 100% during charging.
Image 3.1: Close-up of the charger's LED display, showing the red power indicator and the four green lights that illuminate sequentially to show charging progress. - All Green LEDs Flashing: Indicates battery polarity is reversed or the output is shorted. Disconnect immediately and check connections.
- All Green LEDs Off (Red LED On): No battery is connected, or the battery is severely discharged.
- One Green LED On (and other 3 Off, Red LED On): The charger has entered the recovery desulfating process for deeply discharged batteries.
4. Maintenance
- Cleaning: Disconnect the charger from both the AC outlet and the battery before cleaning. Use a dry, soft cloth to wipe the exterior. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the charger in a cool, dry place when not in use. Avoid extreme temperatures and direct sunlight.
- Cable Inspection: Regularly inspect the AC power cord and the 3-pin XLR output cable for any signs of damage, fraying, or exposed wires. Replace if damaged.
- Ventilation: Ensure the charger's fan and vents are free from dust and debris to maintain optimal cooling performance. The internal fan automatically adjusts speed based on power load to reduce noise and heat.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not turning on (No red power LED) |
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| Green LEDs flashing (not charging) |
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| Charger not charging (Red LED on, all Green LEDs off) |
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| Charger overheats |
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6. Specifications
| Feature | Detail |
|---|---|
| Brand | Unocho |
| Model Number | 3-pin XLR (EPA150-24) |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | 24 Volts (DC) |
| Output Current | 5 Amps |
| Compatible Battery Types | SLA / VRLA / Flooded (Wet) / Calcium type deep cycle / GEL / AGM lead-acid batteries |
| Battery Capacity Range | 7Ah – 120Ah |
| Charging Stages | 4-stage (Initialization, Bulk Charge, Absorption, Float) |
| Connector Type | 3-pin XLR Male |
| Safety Protections | Short circuit, overvoltage, overcurrent, overload, reverse polarity |
| Waterproof Rating | IP65 |
| Cooling | Internal fan with 4-speed gears |
| Product Dimensions | 2.56 x 6.42 x 3.74 inches |
| Item Weight | 1.41 ounces |
7. Warranty and Support
The Unocho 24V battery trickle charger comes with worry-free return and exchange services. For any questions or issues, please contact customer support. They offer 24-hour customer support to assist with any concerns regarding your Unocho battery charger.
For further assistance, please refer to the official Unocho store or contact their customer service directly.
