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Promotions

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5% off solar kits! Last chance for savings! Shop now!

Last Chance To Get Even More Solar Savings With 5% Off Solar Kits!

Plus, get 25% OFF the EG4 3 Slot Server Rack when you buy 3 LifePower4 or LL-S Batteries and up to 50% OFF Spring Savings deals.

Enjoy free shipping on EG4 18kPV and 12kPV inverters. Get $200 flat rate on orders of $2K or more.

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

5% OFF

Solar Kits*

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

FREE Shipping

On EG4 18kPV and 12kPV Inverters*

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

Additional items in the order will be subject to standard shipping rates.

25% OFF

EG4 3 Slot Server Rack*

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Optimize your off-grid power system with 25% OFF the EG4 3 Slot Server Rack when you buy 3 LifePower4 or LL-S Batteries*

$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!

Top Solar Kits

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
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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
Sold out
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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New Solar Kits

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 3 Slot Server Rack Battery Kit

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out

EG4 3 Slot Server Rack Battery Kit

Optimize your off-grid power system with our pre-assembled 3-slot battery rack. Designed for easy installation and secure battery storage, it ensures reliable performance and efficient organization for your renewable energy setup. Paired with either the EG4 LL-S or the EG4 LifePower4 V2 battery, this kit delivers safe and consistent energy to power your small off-grid project.

Ideal For:

  • Small homestead projects (well pumps, greenhouses, animal heating, etc.)
  • Garages/tool sheds
  • Remove the casters and place in an RV for easy, organized storage
  • Natural disaster shelters

EG4 18kPV and 12kPV Inverters

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

Promotion Exclusions

  • The 5% off solar kits promotion only applies to items in the Kits & Bundles category. This does not include the LG/Growatt Bundle (KIT-L0001), carport or solar mounting kits, battery rack kits, or other items not in this category.
  • The 25% OFF the EG4 3 Slot Server Rack promotion only applies when you buy 3 LifePower4 or LL-S Batteries.
  • Unique Spring Cleaning deals only apply to products in the Spring Savings category.
  • The refurbished and open box deals only apply to products in the Refurbished Solar Products category.
  • $200 Flat Rate Shipping applies to orders of $2,000+, within the 48 contiguous states. Shipping discount will apply at checkout.

  • 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.
  • 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.

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

  • 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.