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Enjoy free shipping on orders of $5,000 or more.

Score More on Solar! Save 5% on Solar Kits and Get 3% off Batteries, Inverters, and Panels!

Save on shipping, too! Enjoy free shipping on orders over $5K and on EG4 18kPV and 12kPV inverters, as well as $200 flat rate on orders of $2K or more. Exclusions apply.

Hurry before the sale ends! Take advantage of our current promotions and savings before it's too late.

5% OFF

Solar Kits*

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Get 5% off solar kits – Bundle the power and save big!

FREE Shipping

On orders of $5k or more*

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Get FREE SHIPPING on your entire cart when you spend $5,000 or more!

Now's the time to order new solar kits, batteries, inverters, panels, and more!

3% OFF

Batteries, Inverters, and Panels*

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Get 3% off all batteries, inverters, and panels – Power up and save today!

FREE Shipping

On EG4 18kPV and 12kPV Inverters*

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Get FREE Shipping on EG4 12kPV and 18kPV inverters!

Any additional items in the order will be subject to standard shipping rates - shop more to qualify for FREE Shipping on orders of $5,000 or more!

$200 Shipping

On orders of $2k or more*

See Details

Get $200 shipping when you spend $2,000 or more – Now's the time to order new solar kits, batteries, inverters, panels, and more!

EG4 18kPV and 12kPV Inverters

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
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EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
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EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
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EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
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EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out

Promotion Exclusions

  • Free Shipping applies to orders of $5,000+ and $200 Flat Rate Shipping applies to orders of $2,000+, within the 48 contiguous states. Shipping discount will apply at checkout.

  • Shipping Offer excludes solar panel pallets and Chiko Carports.  

  • Returns on discounted products will be refunded at the price paid, subject to Signature Solar’s return policy.

  • The 5% off solar kits promotion only applies to items in the Kits & Bundles category. This does not include carport or solar mounting kits, or other items not in this category.

  • The 5% off kits promotion and 3% off batteries, panels, and inverters cannot be combined.

  • Free shipping applies only to the shipping cost of the EG4 12kPV and 18kPV inverters. Any additional items in the order will be subject to standard shipping rates.

  • This offer, including shipping promotions, is only valid for general customers. It does not apply to installers, wholesalers, or other special customer groups.

  • These offers do not apply to the EG4 FlexBOSS18 Hybrid Inverter.

  • Offers are valid while supplies last and may change without notice.

  • For questions, please contact support@signaturesolar.com.

  • Signature Solar reserves the right to modify or cancel promotions at any time.

  • Orders must be placed and completed during the promotion period to qualify.

  • Standard exclusions apply.