Keep Your Power On. Keep Your Doors Closed.
No More Running Back and Forth
75-Foot Extension Cord for the 3300 & 2200 Solar Generators by Grid Doctor
Pairs well with
When the grid goes down, the last thing you need is to haul your solar generator in and out every few hours just to keep it charging. You should be focused on your family, your safety, and riding out whatever's happening outside—not playing musical chairs with a 50-pound power station.
The Grid Doctor 75-Foot Extension Cord changes the game. Keep your solar panels outside soaking up the sun. Keep your generator safely inside. And power your home without interruption.
This cord is made exclusively for Grid Doctor systems.*
75-Foot Extension Cord for the 3300 & 2200 Solar Generators by Grid Doctor
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Pass-Thru Charging
Here's why this matters: Grid Doctor generators feature pass-thru charging, meaning they can charge and discharge at the same time. That's critical when you're relying on solar power during an outage. But to take full advantage of that feature, your panels need consistent sun exposure—and your generator needs to stay connected.
With this extension cord, you get the best of both worlds. Park your solar panels in the brightest spot in your yard. Keep your generator inside where it's safe, dry, and accessible. Plug in the cord, and you're set.
That's real independence.
Flat Section for Under-Door Placement
The difference is in the details. Fifteen feet of this 75-foot cord is completely flat—engineered specifically to run under a closed door without pinching, bending, or causing damage.
That means:
- Your doors stay locked and secure
- Your home's insulation stays intact (no wasted heat or A/C)
- No gaps for bugs, weather, or unwanted attention
- Clean, professional setup that doesn't scream "emergency power inside"
It's the kind of small design choice that makes a huge difference when things go sideways. You stay comfortable, your family stays safe, and your generator keeps working.
Product details
- Length: 75 feet total
- Flat section: 15 feet (for under-door placement)
- Compatible with: Grid Doctor 3300, 2200, and XP Solar Generators
- Not compatible with: Grid Doctor 300
- Design: Exclusive to Grid Doctor systems—optimized for pass-thru charging
*Not usable with the Grid Doctor 300.
Important Safety Notice
Use only cables and accessories provided with your Grid Doctor products or those explicitly approved by Grid Doctor. Third-party cables may affect performance and pose safety risks. Grid Doctor is not responsible for any loss, damage, or injury resulting from the use of non-approved accessories or cables.