SUNAPEX 1.8W Solar Battery Charger with 15FT Extension Cable - Instruction Manual

Introduction

Thank you for choosing the SUNAPEX 1.8W Solar Battery Charger. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your solar battery charger. Please read this manual thoroughly before use and retain it for future reference. This product is designed to provide a trickle charge to maintain 12V batteries, preventing discharge and extending battery life.

Image: The SUNAPEX 1.8W Solar Battery Charger panel and the included 15FT SAE extension cable.

Safety Information

Always observe the following safety precautions to prevent injury or damage to the product:

• Do not attempt to disassemble or modify the solar charger.
• Ensure proper polarity when connecting to a battery (red for positive, black for negative). Incorrect connection can damage the battery and charger.
• Keep the solar panel clean and free from obstructions to ensure optimal performance.
• Avoid placing the solar panel in areas where it may be submerged in water or exposed to extreme temperatures beyond its operating range.
• This product is designed for 12V batteries only. Do not connect to other voltage systems.
• Keep out of reach of children.

Package Contents

Verify that all items are present in the package:

• 1 x SUNAPEX 1.8W Solar Battery Charger Panel
• 1 x 15FT SAE Extension Cable

Product Features

High Conversion Rate

Utilizes advanced amorphous film technology for an ultra-high conversion rate of up to 30%, ensuring efficient power generation even in varying light conditions. An LED indicator shows the working status.

Image: Diagram illustrating the 30% conversion rate and key features like fixed holes for installation, strong ABS plastic shell, high transparent solar glass, amorphous solar cells, and the green indicator light.

Upgraded Intelligent Controller

The built-in intelligent charger controller protects your battery from reverse discharge, overcharge, over-voltage, short circuit, backflow, reverse polarity, and overload. It ensures no battery power consumption at night.

Image: Close-up of the solar panel's intelligent controller and icons representing various protection features: overcharge, short circuit, over temperature, backflow prevention, reverse polarity, and overload protection.

Stronger and Durable Design

Covered with ultra-clear PV glass for strong light transmission and resistance to hail, rain, and snow. The durable engineering ABS plastic housing is weatherproof, ensuring reliable performance in all seasons.

Image: The solar panel with water droplets, indicating its weather-resistant properties including waterproof, wind and snow resistance, hail resistance, and resistance to oxidation.

High-Quality SAE Extension Cable

The included 15FT SAE extension cable is made of pure copper 16 AWG wire with a double PVC jacket, ensuring heavy-duty, waterproof, and durable performance. Red wire is positive, black wire is negative.

Image: The 15FT SAE to SAE extension cable, highlighting its 16 AWG wire gauge and total length.

Universal SAE Connector with Protective Cap

Features standard SAE terminals for quick connect/disconnect. Each end has a rubber protection cap to shield the connector from rain and dust, keeping it clean and dry.

Image: Close-up of the SAE connector showing the detachable protective cap for dust and water prevention.

Heavy Duty and Durable Cable

The cable is constructed with 100% pure copper, ensuring excellent conductivity and durability. It is waterproof, anti-oxidation, and anti-corrosion for long-lasting performance.

Image: Diagram showing the internal structure of the cable, emphasizing 100% pure copper wires and its waterproof, anti-oxidation, and anti-corrosion properties.

Setup and Installation

1. Unpack the Components: Carefully remove the solar panel and the 15FT SAE extension cable from their packaging. Inspect for any visible damage.
2. Connect the Extension Cable: Connect the SAE connector from the solar panel to one end of the 15FT SAE extension cable. Ensure the connection is secure and the protective caps are properly seated if not in use.
3. Connect to Battery: Connect the other end of the 15FT SAE extension cable to your 12V battery. Ensure correct polarity: the red wire/connector typically connects to the positive (+) terminal of the battery, and the black wire/connector to the negative (-) terminal. The SAE connector is designed to prevent reverse polarity if connected directly to a standard SAE battery terminal.
4. Position the Solar Panel: Place the solar panel in a location that receives maximum direct sunlight throughout the day. Avoid shaded areas from trees, buildings, or other obstructions. The panel can be mounted using its fixed holes or simply placed on a flat surface.

Operating Instructions

Once the solar panel is connected to the battery and exposed to sufficient sunlight, it will begin charging.

• Charging Indicator: A green LED indicator on the solar panel will illuminate when the panel is actively generating power and charging the battery.
• Intelligent Charging: The built-in intelligent controller automatically manages the charging process, preventing overcharge and ensuring the battery is maintained at an optimal level. It also prevents reverse discharge from the battery back to the panel during nighttime or low-light conditions.
• Continuous Maintenance: This charger is ideal for maintaining the charge of 12V batteries in vehicles, boats, RVs, or other equipment that are stored for extended periods.

Maintenance

Regular maintenance will ensure the longevity and optimal performance of your solar battery charger.

• Cleaning the Panel: Periodically wipe the surface of the solar panel with a soft, damp cloth to remove dust, dirt, or debris. A clean panel ensures maximum sunlight absorption. Do not use abrasive cleaners or harsh chemicals.
• Check Connections: Regularly inspect all cable connections (solar panel to extension cable, extension cable to battery) to ensure they are secure and free from corrosion.
• Cable Inspection: Check the extension cable for any signs of wear, cuts, or damage. Replace if necessary.
• Storage: If storing the charger for an extended period, disconnect it from the battery and store it in a cool, dry place away from direct sunlight.

Troubleshooting

Specifications

• Power Output: 1.8 Watts
• Battery Compatibility: 12V Lead-Acid Batteries (e.g., SLA, AGM, Gel, Flooded)
• Cable Length: 15 FT (Extension Cable)
• Wire Gauge: 16 AWG (Extension Cable)
• Cable Material: 100% Pure Copper with Double PVC Jacket
• Panel Technology: Amorphous Silicon Thin Film
• Conversion Rate: Up to 30%
• Protection Features: Overcharge, Reverse Discharge, Over-voltage, Short Circuit, Backflow, Reverse Polarity, Overload Protection
• Weather Resistance: Waterproof, Wind/Snow Resistant, Hail Resistant, Anti-oxidation
• Connector Type: Universal SAE

Warranty and Support

For warranty information or technical support, please contact SUNAPEX customer service through the retailer where the product was purchased or visit the official SUNAPEX website. Please have your product model and purchase details ready when contacting support.

Manufacturer: SUNAPEX