Grid Doctor 300 Solar Generator System

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  • Regular price $497.00


Whether by force or by choice, there will come a time when you won’t have access to public power.

A natural disaster could knock down power lines, cyberattacks might shut it off, or an adventure in the wilderness could leave you disconnected longer than expected.

With the Grid Doctor 300 Solar Generator System within reach, you can restore your connection to precious power. This portable, multifunctional powerhouse is fully loaded, dependable, and simple to use!

Generates more power than other generators by connecting to TWO solar panels at once (second panel sold separately).

Currently, we do not ship Grid Doctor products to Canada.

  • PLENTY OF WAYS TO POWER Equipped with AC, 12V DC, USB-A 3.0, and USB-C PD 30W and 60W ports to power it all, from mobile phones to mini-refrigerators.
  • LIGHT IT UP FOR UP TO 100 HOURS ­– Features a powerful LED light with four functions: hi-power, lo-power, flashing, and SOS. This light can last for up to 100 continuous hours, eliminating the dangers of the dark during a disaster.
  • DISASTER-READY BATTERY Loaded inside this system is a powerful lithium iron phosphate battery (LiFePO4) with more power than most other models. This durable, high-quality battery can be cycled over 2,000 times, making it safer and longer-lasting than older options.
  • FOUR CHOICES FOR CHARGING Charge just about any appliance or device you own! Power up this generator with the sun, through a wall outlet, in the car socket, or with a USB-C and power block pair. Trudging through the backcountry or bugging out in the bunker, you’ve got the power.
  • SPEEDY CHARGING Utilizes the latest technology to charge your electric appliances and digital devices in a fraction of the time that standard chargers take.
  • UNMATCHED MULTI-TASKING ­– Keep essential electronics completely operational with pass-thru charging capabilities. No need to wait for a full battery! Charge the generator while you use it for an uninterrupted power supply in survival.
  • SIMPLE POWER ­– Power awaits with the quick and simple press of a button. Kids, teens, and older folks alike can figure out how to use this generator. No experience or special knowledge needed!
  • EASY-TO-READ DISPLAY Check the battery level, battery life, watts in and out, and more with identifiable icons. Sleek and digestible, this display delivers all the information you need on one screen. This generator offers better tech, more features, and greater value than the others out there!
  • YOUR LIGHTWEIGHT LEVERAGE This compact cube can tuck into tight spaces from the camper to the car. Grab it and go in an instant with a collapsible handle, too!
  • STACK THEM UP Need power for a number of people? Stack units on top of each other and keep the power coming.



From unforeseen emergencies—like extended power outages—to camping trips, the Grid Doctor 300 Solar Generator System offers long-lasting, reliable power on demand. Since it can be used while the battery charges, you won’t waste any time waiting for a full charge before putting it to work.

This powerhouse may look little, but it packs a powerful punch. Unlock 25,000 mAh to use wherever, whenever. Because it’s so small, it’s no burden to carry it around. Take it with you on your travels, near or far—you never know what will happen when you’re away.

How long can a single charge of the Grid Doctor 300 Solar Generator System operate your appliances and devices?

  • Box Fan – Up to 5 hours
  • CPAP Machine – Up to 8 hours
  • DSLR Camera – Up to 20 recharges
  • Laptop – Up to 6 recharges
  • Light Bulb (60W) – Up to 5 hours
  • Mini Refrigerator (1.5 F3) – Up to 4 hours
  • Smartphone – Up to 20 recharges
  • Tablet – Up to 14 recharges
  • TV (42-Inch LED) – Up to 4 hours
  • Wi-Fi Router – Up to 16 hours



Being able to use your much-needed electronics as your generator charges is an invaluable asset in an emergency.

You won’t miss out on any of this:

  • COMMUNICATION Keep cell phones, hand radios, and other electronics charged to remain connected to your survival crew. Plug in the radio or TV for breaking news, weather forecasts, and critical emergency information.
  • SAFETYTurn on your rechargeable lights to continue tasks in the dark, as well as prevent accidents and other dangers.
  • MEDICAL SUPPORT If someone in your group relies on electric medical equipment, this uninterrupted power supply will truly be a lifesaver. 
  • FOOD PRESERVATION Prevent food from spoiling when stored inside a refrigerator. Food is among your most precious resources. Save as much of it as you possibly can!
  • ADAPTABILITY Adapt to different situations as your survival circumstances change. Use the generator as it charges from solar power during the day, then rely on stored energy at night.
  • LONG BATTERY LIFE ­– Since you can charge the generator while you use it, you’re less likely to deplete the battery. This extends the life of your battery for years and years of use!

The Grid Doctor 300 Solar Generator System provides protected charging options. Maximum Power Point Tracking, or MPPT, protects you and your electronics in an emergency through efficient charging.

This efficient charging refuels faster, ensuring your electronics operate fully sooner. Plus, the more efficient your energy use, the longer your electronics can run. Energy efficiency is optimal, reducing your dependence on unstable or unavailable power grids and making you more self-sufficient during disasters!

Product Details

Battery Capacity: 25,000 mAh

Battery Type: LiFePO4

Battery Life: 2,000+ Cycles (800 Cycles to 80% Capacity)

Battery Inverter: 300W (12.8V/25,000mAh) 600W Max Surge

Battery MPPT: DC5521 Charge Port 10.8V-23.5V, 3A (60W Max)

Battery Output Ports: AC, 12V DC, USB-A 3.0, and USB-C PD 30W and 60W

Battery USB Output: 2X USB-A: 5V⎓3A, 9V⎓2A, 12V⎓1.5A (18W Max); 1X USB-C PD Output: 5V⎓3A, 9V⎓3A, 12V⎓2.5A, 15V⎓2A, 20V⎓1.5A (30W Max); 1X USB-C PD Input/Output: 5V⎓9A, 12V⎓5A, 20V⎓3A (60W Max)

Battery Operation Temperature: 14˚F~104˚F (-10˚C~40˚C)

Open Circuit Voltage: 23.8V

Short Circuit Current: 5.33A

Operating Voltage: 19.8V

Operating Current: 5.05A

Inverter Rating: 300W (12.8V/25,000mAh) 600W Max Surge

Battery Wattage Hours: 320 Wh

Panel Wattage: 100W

Battery Weight: 8.625 lbs

Battery DC Output: 2X DC 12V/10A (120W Max); Car Port (12V/10A)

Battery AC Output: Waveform: Pures Sine Wave; Voltage: 100V-120V; Frequency: 60Hz; Rated Power: 300W

Panel Weight: 9.8 lbs

Total Weight: 18.425 lbs

Battery Dimensions: 9.5” L x 7.3” W x 5.5” H (24cm L x 18.5cm W x 14cm H)

Panel Dimensions Folded: 21” L x 15.5” W x 1.75” H (53cm L x 39cm W x 4cm H)

Panel Dimensions Open: 21” L x 54” W x 0.5” H (53cm L x 137cm W x 1.2cm H)

Solar Cell Efficiency: 21-23%

Solar Cell Type: Monocrystalline

Interface Type: Male DC5521 (5.5 x 2.1mm)

Additional Features: LED light with four functions, pass-thru charging, intuitive display, stackable for amplified power, ports for two-solar-panel charging.


The Grid Doctor 300 Solar Generator System includes:

  • 300W inverter with 320Wh battery
  • 100W solar panel
  • Power cable
  • Adapter
  • 12V DC lighter adapter
  • “Y” splitter cable
  • Instruction manual

Refer to these instructions when using the Grid Doctor 300 Solar Generator System:

  1. To turn it on, press and hold the main power button.
  2. View the main display, which will indicate the current power available.
  3. Press the button that coordinates with the port you’d like to use.
  4. Plug in the appropriate cord, then connect your electric appliance or digital device.
  5. To use the light feature, press the LED power button. Press it multiple times to cycle through the four options.
  6. To charge the generator, plug it into a wall outlet, solar panel, or car adapter.*
  7. To turn off the generator, press and hold the main power button.

The included instruction manual contains more detailed directions on use, charging, and more.

*When charging, the generator will turn on automatically. The display will disappear after a few minutes, but will reappear when you quick-press the main power button.



  • Cold weather will impact battery capacity. Use this product in ambient temperatures between 32°F and 86°F for best performance.
  • Do not place in hot, humid, or dusty environments.
  • Do not heat or throw into fire, water, or other liquids.
  • Do not drop or disassemble.
  • Do not plug in appliances or devices that exceed 300W of power.
  • Do not allow children to play with this device.
  • This device may be hot while charging. Handle with care.



Sheltered out in the wilderness or stuck without power at home, how do you plan to power up important appliances and devices?

Turn to the Solar Panel 100W by Grid Doctor, the portable solar power solution for survival.

  • HIGH-TECH MONOCRYSTALLINE CELLS Experience fast and reliable off-grid charging with monocrystalline solar cells. Top of the line in efficient energy conversion, this solar panel soaks up more of the sun’s energy. Turn every ray possible into usable power without a premium price tag!
  • ENERGY EFFICIENT This solar panel wipes out the competition when it comes to efficient energy use. It recharges faster, returning devices to full operational status in a snap. Plus, an energy-efficient panel extends its own life, keeping your electronics working
  • HARNESS THE POWER, IN HALF THE TIME ­– Join two solar panels together and plug into one generator to get the most power during disaster. Faster charging, less time without power.
  • SAFE & SECURE The built-in weatherproof pouch keeps essential cables safe, reducing clutter and fighting wear and tear. Plus, you’ll be able to power up this solar panel without revealing your location.
  • ARRANGE IN ANY WAYCapture sunlight from any angle, anywhere! Heavy-duty grommets in each corner can be used to attach or hold down the solar panel, allowing multiple positions with minimal effort.
  • COMPACT & PORTABLE ­– Just under 10 pounds, this solar panel is super lightweight. And with collapsible leg stands, it can be folded down to a compact size for easy storage and transport. Set it up on rocks, a hill, or a table, then slide it under the bed, into the trunk of the car, or behind a door.
  • RUGGED DESIGN Though lightweight, this solar panel is tough! Encased in an abrasion-resistant coating, the cells can stand up to rain, snow, and crisis conditions while remaining protected.



To harness the most solar energy, simply link two solar panels together before connecting them to the Grid Doctor 300 Solar Generator System by Grid Doctor. This combined setup accelerates the charging process, reduces downtime, and increases the total power intake.

Place one panel to capture the morning sunlight and another to absorb the afternoon rays, optimizing each solar panel’s sun exposure without the need for repositioning.

Having two panels provides a built-in backup in case one malfunctions, ensuring complete preparedness.



This monocrystalline solar panel is designed for durability and resilience. It can take on a range of challenges, from harsh weather conditions to the rough handling that disasters require.

  • ENHANCED DURABILITY With a single-crystal structure, this solar panel exhibits rugged resilience when compared to polycrystalline alternatives.
  • WEATHER ENDURANCE This solar panel can put up with extreme heat, freezing cold, heavy rain, and even hail. The single-crystal structure eliminates weaknesses between cells, allowing efficient thermal expansion and contraction as well as a reduced risk of stress and microcracks.



The importance of adaptability in an emergency is undeniable.

Our solar panel boasts a foldable design with collapsible legs, delivering unparalleled portability when you find yourself in a challenging environment.

  • VERSATILE SETUP ­– You never know where a crisis could take you. Regardless of your destination, this solar panel offers endless setup options. Perched on flat rocks, the picnic table at camp, or on the roof of your truck, bugging out just got a whole lot easier.
  • SEAMLESS SUN TRACKING Follow the sun’s changing position without completely moving the panel.
  • SAVES SPACE Measuring just 21" x 15.5" when folded and 1.75" in thickness, this solar panel can be stored without taking up invaluable space. Slide it under the bed, stow it in the trunk of your car, or hide it behind your bedroom door.



The Solar Panel 100W by Grid Doctor includes the following components:

  • 100W solar panel
  • “Y” splitter cable

These simple steps illustrate how to set up this solar panel:

  1. Open the solar panel to expose solar cells.
  2. To maximize solar energy collection, place the solar panel in direct sunlight and position it perpendicular to the sun’s rays.

Here’s how to connect the 100W Solar Panel to the Grid Doctor 300 Solar Generator System:

  1. Open the zipper pouch on the solar panel and pull out the cable with the barrel connector.
  2. Plug the barrel connector into the front panel port labeled “INPUT” on the generator.
  3. The battery will automatically begin to charge. When fully charged, it will immediately stop charging.

Refer to the included instruction manual for more detailed directions on setup, charging, using with the generator, and more.



  • Only use the solar panel according to directions.
  • Only use a damp cloth to clean the solar panel.
  • Do not use detergent cleaners to clean the solar panel.
  • Do not drop or disassemble the solar panel.
  • Do not leave outside when weather is wet.
  • Do not allow children to play with the solar panel.


WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.