300 Watt Portable Solar Power Generator, Solar DC System

$664.00

| 8 review(s) | Add your review

300 watt solar generator, 12V battery voltage, charge voltage 10-25V, pure sine wave AC output, applies to diversified loads, can withstand the loads with a large starting current.

Free shipping

Delivery date: 7-10 days

SKU: ATO-AL-300

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Output Voltage (VAC) *
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Overview
Specs
FAQ
Reviews

Overview

300w solar power generator is provided with independent solar three-stage charge management. Overcharge protection and over-discharge protection for a longer battery life and improve the charge efficiency of its battery.

Features

Excellent performance because of an MCU intelligent control technology
300W generator with pure sine wave AC output
convenient and practical 5V DC-USB output port and 12V DC output port
Solar array and battery common-anode system input
Charge by the electricity grid for flexible configuration
Solar powered generator with overcharge protection and over-discharge protection for a longer battery life
LCD and LEDs for visualization of the operation status of the equipment
Energy solar generator with overall automatic protection and alarms including AC output overload protection, short circuit protection

Detail

Applications

Outdoor Camping

Outdoor Picnics

Travel and Hiking

Electric devices charging

Specs

Model	ATO-AL-300
Inverter
Battery voltage	12V
ln-built battery specification	1*55AH / 12V
Rated power	300W
Output voltage	110V or 220V AC (Optional)
Output frequency	50 / 60Hz
Output waveform	Pure Sine Wave
Charge by a mains supply
Input voltage	110V or 220V AC (Optional)
Charge current	10A (MAX)
Solar input
Maximum photovoltaic	≤ 25V
Charge voltage (VDC)	10~25V
Rated charge current (A)	30A
Maximum power (Wp)	360Wp
Voltage of overcharge protection (VDC)	14.2V
Voltage of overcharge recovery (VDC)	14.0V
Voltage of floating charge (VDC)	13.7V
DC output
Voltage of high-voltage protection (VDC)	16V
Voltage of high voltage recovery (VDC)	15.2V
Voltage of low voltage recovery (VDC)	12.6V
Voltage of low voltage protection (VDC)	11V
USB (5V DC) output port	2 ones / MAX 2A
12V DC output port	2 DC ports + backboard 12V terminal block (MAX 8A)
Starting temperature of the exhaust fan	> 45 ℃
Ambient temperature for operation	0-40 ℃
Ambient temperature for storage	-25 ℃ ~ +55 ℃
Operation/storage conditions	0-90% (no condensation)
External dimensions: DxWxH (mm)	343x225×443
Packing dimension: DxWxH (mm)	420x290x490
Certificate	CE
Warranty	1 year

FAQ

How to use a solar power generator?

Set Up the Solar Panels

Positioning: Place the solar panels in an area that receives maximum sunlight, usually facing south in the northern hemisphere and north in the southern hemisphere.
Angle: Adjust the angle of the panels according to your location and season to maximize sunlight capture.
Connect to charge controller: Use the cables provided to connect the solar panels to the charge controller.

Connect the Charge Controller to the Battery

Ensure compatibility: Make sure the charge controller is compatible with the battery type and size.
Wiring: Connect the charge controller to the battery using appropriate cables. Follow the positive-to-positive and negative-to-negative connections.

Connect the Battery to the Inverter

Wiring: Use cables to connect the battery to the inverter, ensuring correct polarity.
Turn on the inverter: The solar inverter will convert the DC power stored in the battery to AC power.

Use the Stored Energy

Plug devices in: Use the power outlets or USB ports on the inverter to connect your devices or appliances.
Monitor power usage: Keep an eye on the battery level through the charge controller or inverter display to avoid depleting the battery completely.

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Existing reviews

Handy backup power for short outages

I bought this for camping and occasional power cuts, and it easily handles phone charging, LED lights, a small fan, and my laptop. The pure sine wave output gives me more confidence when plugging in electronics, and it has handled appliances with a bigger startup draw better than I expected. Charging and setup take a little patience at first, and 300W obviously isn't enough for high-power appliances, but it's a solid, portable backup for basic daily needs.

From: Jodie Gresham | Date: 8/20/2026 12:32 AM