AlphaESS SP300 High - Performance Solar Panel
Powerful Backup for Your Adventures: Ideal for outdoor camping, fishing, off - grid living, and emergencies. This 300W solar panel has a 33V Power Voltage. Its folding design allows for quick setup and pack - away in seconds. With integrated pressure technology, it weighs just 17 pounds.
High - Efficiency & Reliable: Built with premium monocrystalline solar cells and long - lasting ETFE material on the surface, achieving a 95% light penetration rate and 23% cell efficiency. The Andersen connector boosts energy efficiency and is compatible with most solar generators and power stations on the market. Pair it with the AlphaESS BlackBee 2000 Portable Power Station with Dual MPPT Controllers for maximum energy efficiency.
Waterproof & Durable: Designed with removable kickstands and a convenient carrying bag, this solar panel has an IP67 waterproof rating. It's suitable for all outdoor activities and weather conditions, ensuring you can enjoy solar charging anywhere.
Green & Renewable: Gathers clean energy from the sun to charge your power stations and devices, reducing environmental impact. No noise or fumes, it's eco - friendly.
What You Get: 1 * AlphaESS SP300 300W Solar Panel, 1 * Anderson Extension Cable(78in), 3 * Kickstand, 1 * Carrying Bag, 1 * User Manual.
FAQ:
Q1: What factors may affect solar conversion rate
a. The weather conditions
b. Working environment temperature
c. The length of cable
d. The angle from the panels to sunlight
e. The input limitation of power stations
Q2: What is the method of cleaning the surface of solar panels
A: Remove dirt and dust from the surface first with a soft brush, then with a damp cloth. To prevent performance degradation, keep the surface of the solar panel clean.
Q3: Is it waterproof
A: Yes, the solar panel meets IP67 waterproof. In order to maximize the lifespan of the solar panel, please try not to get it wet or soak the solar panel into water.
Peak Power | 300W |
Power Voltage | 33V |
Power Current | 9.1A |
Open Circuit Voltage | 38.94V |
Short Circuit Current | 10.67A |
Connector Type | Anderson |
Cell Type | Monocrystalline |
Operating Temperature Range | 14 - 140°F (-10°C - 60°C) |
Dimensions(unfolded) | 128.94*35.24*0.59in |
Dimensions(folded) | 35.24*24.8*1.18in |












This AlphaESS SP300 solar panel is perfect for outdoor enthusiasts. Whether you're camping, fishing, or living off - grid, it provides reliable backup power. With a 300W capacity, 33V Power Voltage, and a folding design for easy setup, it's a great choice. Weighing only 17 pounds, it's easy to carry. The panel is built with premium monocrystalline solar cells and ETFE material for high efficiency. It has an Andersen connector for compatibility. It's IP67 waterproof, suitable for all weather. Dimensions when unfolded are 128.94*35.24*0.59in and 35.24*24.8*1.18in when folded.