Grid Doctor 3300 Solar Generator System - 3300W Battery Backup (Expandable to 16,384 W)



Forget having to choose between running your refrigerator, your microwave, or your space heater when the power goes out. With the NEW Grid Doctor 3300 Solar Generator System, you can power it all.

Keep life flowing as smoothly as your power with the Grid Doctor 3300.

  • With a 50% MORE powerful inverter, this system lets you run all the big stuff, from your everyday refrigerators and air conditioning units to heavy-duty table saws and air compressors.
  • Can't choose between running your refrigerator or your freezer? Or how about your microwave or coffee machine? Now you don't have to. Power multiple appliances at the same time without the fear of an overload.
  • Gas power is a thing of the past. The Grid Doctor 3300 is quiet, safe to use indoors, and provides you with FREE, unlimited power from the sun.
  • Get hundreds of more watts than other generators but without the price increase. 
  • Wholly harness the sun's energy when you connect up to FOUR solar panels at once, generating a remarkable 800W of power! (Additional panels available separately.) This accelerates charging and extends the operation time of your essential appliances.
  • Take your energy reserves to powerful places by pairing this system with the Grid Doctor 2200XP expansion battery. You can connect and stack up to seven units, creating a virtually limitless power supply. Build a power tower and boost your power to a whopping 16,384 watt hours—that's FIVE TIMES the power of other options!
  • Stay up-to-date with the latest technology for 2024, including features like Maximum Power Point Tracking, Uninterrupted Power Supply (UPS) functionality, pass-thru charging, and more.
  • Achieve nearly universal charging compatibility. Almost all appliances, tools, and devices are compatible with the Grid Doctor 3300.
  • User-friendly design suitable for individuals of all ages, from kids to grandparents.
  • Our advanced bilateral inverter technology outpaces traditional charge controllers, offering lightning-fast solar charging.



This emergency solar power kit includes:

  • 3300 battery
  • 200W solar panel FREE
  • AC charging cable
  • XT60-MC4 solar charging cable
  • XT60 car charging cable
  • Instruction manual
  • FREE shipping & handling


Experience unparalleled power with 3300 watts of energy at your disposal. That's hundreds more watts than similar competitor units.

What’s the benefit for you?

You can now operate larger appliances and multiple devices simultaneously.

True energy independence means not having to choose between what devices and appliances you will run. Unlike many solar generators that limit you to one appliance, the Grid Doctor 3300 lets you run multiple at the same time.


During disasters, preserving a sense of normalcy is important. Adhering to a routine and asserting control over your circumstances in any possible way will empower your family to move forward with confidence and empowerment. 

To keep the typical household operating as normally as possible in an emergency lasting three days, the average homeowner would need to pair the Grid Doctor 3300 battery with four 2200XP expansion batteries.

Here is what this emergency solar power kit can power, indoors or outdoors:

  • Kitchen appliances, from coffee makers to microwaves
  • Multiple refrigerators and freezers
  • Washing machines
  • Window air conditioning units and box fans
  • TVs, computers, and phones
  • HAM radios
  • Wi-Fi routers
  • Home medical equipment
  • Heavy-duty power tools like table saws and air compressors
  • LED lights and motion lights
  • Residential electric fences
  • Water pumps
  • So much more!


Implements cutting-edge technology to charge your electric appliances significantly faster than conventional power sources.


Thanks to pass-thru charging, there’s no need to wait for a full battery. Charge the generator while you use it to power your electric appliances and keep your household running! This uninterrupted power supply allows you to keep essential electronics operational at all times.


Charge up this emergency solar power generator by the sun, with an AC wall outlet, or through a car adapter. That means whether your at-home power is out, you’re stranded inside your car, or you’re bugging out in the woods, power is possible! Charge virtually any appliance or device you own.

(Do not use a GFCI outlet to charge the 3300 battery.)


Equipped with five AC outlets, two USB-A ports, two QC 3.0 ports, two USB-C ports, plus a DC outlet, car port socket, and aviation socket, this powerhouse can practically power it all: kitchen appliances, power tools, ham radio mobile base stations, residential electric fences, and so much more. It can charge and run appliances in your home, inside your RV, and at your campsite.


Stack up to seven 2200XP expansion batteries on top of your Grid Doctor 3300 generator battery to build your power tower! Take your power to a staggering 16,384 watt hours and unlock a nearly infinite run time.

Whether sheltering in place at home or evacuating to camp, experience impressive modularity with your power tower. Stack the units in the morning to get them charged up, then break them down later in the day for dispersed power delivered directly where it is needed most.


Power awaits with the simple press of a button. No experience or know-how needed! Kids and grandparents alike can bring this battery to life.

Turn to these instructions when using the 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 appliance, tool, or device.
  5. To charge the generator, plug it into an AC wall outlet, solar panel, or car adapter.*
  6. To turn off the generator, press and hold the main power button.

Don’t worry, it’s easy! But for more detailed directions on use, charging, and more, refer to the included instruction manual.

*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.


Image showing the 2200 battery and 2200XP battery connected to power a laptop.

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

You won’t go without what you need:

  • 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.
  • SAFETY – Turn 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 3300 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!


  • Battery Capacity: 2048Wh 3.2V/640000mAh, (51.2V/40000mAh)
  • Battery Type: LiFePO4
  • Frequency: 50Hz/60Hz Pure Sine Wave
  • Cycle Life: 3500 Cycles
  • Charge Controller: MPPT Control System
  • Photo of the top compartment of the 2200 battery open for cord storage.Input Ports: AC Charging (100-120V~60Hz 15A, 1800W Quick Charge / 600W Slow Charge); Solar Charging (12-120V/15A, 1000W Max); Car Charging (12V - 8A 24V - 10A)
  • Output Ports: AC Output (5 Outlets: Rated 2200W [Surge 4000W]); USB-A (2 Ports: 5V - 2.4A 12W Total); QC 3.0 (2 Ports: 5V - 3A/9V - 2A/12V - 1.5A, 18W 36W Total); USB-C (2 Ports: 5V - 3A/9V - 3A/12V - 3A/15V - 3A/20V - 5A, 100W PD 200W Total)
  • DC Output: 12V - 3A 36W Total
  • Car Port Socket: 12V - 10A 120W Total
  • GX16 4 Pin (“Aviation” Socket): 24V - 10A 240W Total
  • Discharging Temperature: 14°~104° F (-10°~40° C), Recommended 68°~86° F
  • Charging Temperature: 32°~104° F (0°~40° C), Recommended 68°~86° F
  • Dimensions: 18.7 x 11.65 x 12.58 Inches (475 x 296 x 319mm)
  • Weight: 52 lbs. (23.6 kg)
  • Certification: UN38.3
  • Additional Features: pass-thru charging, intuitive display, stackable for amplified power, ports for four-solar-panel charging


  • Cold weather will impact battery capacity. Use this product in ambient temperatures ranging from 32°F and 86°F for the most maximized 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 allow children to play with this device.
  • This device may be hot while charging. Exercise caution when handling. Keep in a well-ventilated area while charging.



  • Photo of 4 Grid Doctor solar panels open on autumn grass. CONNECT FOR EVEN MORE  POWER Connect up to four 200W solar panels at once to unleash unrestrained power. That’s 800W of solar power! Beef up your energy collection and save yourself charging time.
  • ENJOY THE EFFICIENCY OF HIGH-CONVERSION CELLS Enjoy quick, efficient, off-grid charging through monocrystalline solar cells. Experience the gold standard of solar energy at a price you can afford!
  • ENERGY-EFFICIENT POWER THAT CAN’T BE BEAT  Our energy-efficient panels are a cut above the rest. They recharge faster than other leading brands, restoring the energy levels of your favorite devices quickly and effectively.
  • READY TO WEATHER THE ELEMENTS – This emergency solar panel comes with built-in waterproof pouches to keep key components functional and dry. This also streamlines the storage process, keeping accessories together while protecting the panel from damage.
  • SIMULTANEOUSLY SECURE & FLEXIBLE – This solar panel can be secured safely to various surfaces by using the attached heavy-duty grommets, allowing you to adjust your panel’s position safely and easily.
  • STABLE ON ALL SURFACES ­ In an unpredictable world, having choices is essential. Weighing in at just 15 pounds, this solar panel is easy to handle. Thanks to its foldable legs, it can be conveniently reduced to a compact size for simple storage and transportation. Choose your preferred location and easily place it on surfaces like concrete, gravel, a sturdy outdoor table, or even your vehicle's roof!
  • BUILT TO LAST THROUGH TOUGH TIMES – This emergency solar panel is crafted for long-lasting strength, even though it's lightweight. It's shielded by a tough, weather-resistant coating that safeguards the cells, making it capable of enduring severe weather, daily use, and emergency situations.

Click here for more information about this emergency solar panel!


  • Maximum Power Output: 200W (+/- 5W)
  • Open Circuit Voltage: 25V (23.5V under load)
  • Short-Circuit Voltage: 11.4A (load current 10.5A)
  • Operating Voltage: 21V
  • Operating Current: 9.5A
  • Interface Type: MC4
  • Solar Cell Efficiency: ≥22%
  • Solar Cell: Monocrystalline Silicone
  • Operating Temperature: Recommended +77° F (Range -10°~150° F)
  • Dimensions (Folded): 21.1 x 24.33 x 2.125 inches (536 x 618 x 54mm)
  • Dimensions (Open): 21.1 x 92.48 x .98 Inches (536 x 2349 x 25mm)
  • Weight: 15.4 lbs. (7 kg)
  • Certification: RoHS and FCC Compliant


  • Only use the solar panel according to the included instructions.
  • Only use a dry, soft cloth or tissue to clean the solar panel.
  • Do not use detergent or chemical cleaners to clean the solar panel.
  • Do not drop or disassemble the solar panel.
  • Do not bend the solar panel.
  • Do not leave outside when weather is wet.
  • Do not store in wet or hot environments.
  • Do not allow children to play with the solar panel.

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


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

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