20W 12V solar charging kit with 5A solar controller and battery cable with crocodile clips
20W 12V solar charging kit with 5A solar controller and battery cable with crocodile clips
SKU:BST-20P-12VKIT
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20W 12V Solar Charging Kit
Complete Off-Grid Power | 5A Solar Controller | Battery Cable Included
The Photonic Universe 20W 12V Solar Charging Kit (SKU: BST-20P-12VKIT) provides a reliable and portable off-grid power solution for various 12V applications. This comprehensive kit includes a high-efficiency 20W polycrystalline solar panel, an advanced 5A solar charge controller, and a convenient battery cable with crocodile clips, making it ideal for charging 12V batteries in remote setups, vehicles, or small outdoor systems.
Designed for ease of use and dependable performance, this kit ensures your essential devices and appliances remain powered, whether you're on a boat, in a campervan, or managing a small off-grid installation. It's a complete package for immediate solar power integration.
KIT CONTENTS: Includes 20W Polycrystalline Solar Panel, 5A Solar Charge Controller, 2m Battery Cable with Crocodile Clips, and User Manual.
Key Features
| ▶ 20W Polycrystalline Solar Panel — High efficiency for consistent power generation. |
| ▶ 5A Solar Charge Controller — Protects 12V batteries from overcharging and over-discharging. |
| ▶ Integrated USB Output — Convenient 5V/1.2A USB port for charging mobile devices. |
| ▶ Robust & Weatherproof Panel — Durable aluminium frame and waterproof design for outdoor use. |
| ▶ Easy Battery Connection — Includes 2m fused battery cable with crocodile clips. |
| ▶ Multi-Battery Compatibility — Supports sealed, gel, and flooded 12V battery types. |
| ▶ User-Friendly Operation — LED indicators and simple controls for monitoring and setup. |
Technical Specifications
Solar Panel (20W Polycrystalline)
| Parameter | Value |
|---|---|
| Peak Power (Pmax) | 20W |
| Max Power Voltage (Vmp) | 17.5V |
| Max Power Current (Imp) | 1.14A |
| Open Circuit Voltage (Voc) | 21.6V |
| Short Circuit Current (Isc) | 1.23A |
| Dimensions | 485 x 345 x 25 mm |
| Weight | 2.0 kg |
Solar Charge Controller (5A)
| Parameter | Value |
|---|---|
| Charging/Load Current | 5A |
| Rated Voltage | 12V |
| USB Output | 5V / 1.2A |
| Terminal Size | Up to 2.5mm² |
| Operating Temperature | -35°C to +55°C |
| Dimensions | 109.7 x 65.5 x 20.8 mm |
| Weight | 90g |
Charging & Battery Modes
The included 5A solar charge controller is designed to optimise battery charging and extend battery lifespan. It features Pulse Width Modulation (PWM) technology to enhance charge acceptance and can even help recover some lost battery capacity.
| Feature | Description |
|---|---|
| Battery Type Selection | User-selectable settings for 12V sealed, gel, and flooded batteries. |
| PWM Charging | Utilises PWM technology for efficient, multi-stage battery charging. |
| Load Output Terminals | Connect 12V DC loads (e.g., lights) directly to the controller with an on/off switch. |
| LED Indicators | Clear LEDs display battery state of charge, solar panel status, and load output. |
Typical Applications
| Application | Description |
|---|---|
| Campervans & Caravans | Maintain leisure battery charge for lights, fans, and small electronics. |
| Boats & Marine Use | Trickle charge marine batteries to prevent discharge, powering navigation lights or small pumps. |
| Small Off-Grid Systems | Ideal for sheds, remote cabins, or powering electric fencing. |
| Portable Device Charging | Directly charge smartphones, tablets, and other USB-powered gadgets via the controller. |
Built-In Protection Functions
The 5A solar charge controller is equipped with multiple safety features to protect your battery and connected devices. These include protection against reverse current at night (preventing battery discharge back through the panel), overcharge, over-discharge, overvoltage, overload, and short circuits.
Common Questions
What type of batteries can this kit charge?
This kit is designed to charge 12V DC batteries with a capacity larger than 15Ah. The controller is compatible with sealed, gel, and flooded lead-acid battery types, which can be selected by the user.
Is the solar panel and controller waterproof?
The 20W solar panel and its junction box are fully waterproof and weather-resistant, making them suitable for permanent outdoor installation. However, the 5A solar charge controller is not waterproof and must be installed indoors or in a protected, dry environment.
Can I connect 12V loads directly to the controller?
Yes, the controller includes dedicated load terminals for connecting 12V appliances such as lights. It features an on/off switch for the load. Ensure the total current drawn by the load does not exceed 5A.
What kind of warranty is included?
The kit is covered by a 1-year standard warranty. The solar panel specifically carries a performance guarantee of 90% power for 10 years and 80% for 25 years.
Installation Notes
- A comprehensive user manual is included with the kit, providing clear installation guides and detailed instructions.
- The solar panel should be mounted with approximately 1.0 to 1.5 cm of clearance underneath for optimal cooling and performance.
- Ensure the solar charge controller is installed in a dry, protected indoor location, as it is not waterproof.
- The 2m battery cable with crocodile clips offers a quick and secure connection to your 12V battery.
Before You Buy
- Verify your battery type (sealed, gel, or flooded) to ensure correct settings on the charge controller.
- Confirm the power requirements of your 12V loads to ensure they do not exceed the controller's 5A limit.
- Consider the available space for the solar panel (485 x 345 x 25 mm) and its mounting requirements.
- For any technical assistance or installation queries, Solarika offers dedicated UK-based email and phone support.
Please verify all specifications and compatibility requirements before purchase. Product details are based on manufacturer information and verified data.
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