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Promotions

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Get energy without interruption with 5% off off-grid inverters, kits and bundles, and EG4 batteries! Showing couple with dog in yard with EG4 products.

Power Every Moment Off Grid

Enjoy remote living and reliable power with 5% off Off-Grid Inverters, 5% off all Kits & Bundles, and 5% off EG4 Batteries! For a limited time, get everything you need to build or upgrade your solar setup for 5% off.

Plus, get free shipping when you purchase two LG high voltage batteries, making it easier than ever to store power, reduce reliance on the grid, and charge your electric vehicles.

Whether you’re going completely off-grid or simply securing reliable backup power, these deals are designed to help you save while you take control of your energy future. Shop now and get $50 shipping on orders of $6,000+ and $150 flat rate shipping on orders of $2,500+!

Hurry before sales end! Take advantage of our current promotions and savings before it's too late. Exclusions apply.

Get 5% Off Off-Grid Inverters

Get 5% off the listed price when you add an off-grid inverter to your cart! Plus, get $50 shipping on orders of $6,000+ and $150 flat rate shipping on orders of $2,500+*.

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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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Shop 5% Off All Kits & Bundles

Get 5% off the listed price when you add a kit or bundle to your cart! Plus, get $50 shipping on orders of $6,000+ and $150 flat rate shipping on orders of $2,500+*.

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
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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
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
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Enjoy 5% Off EG4 Batteries

Get 5% off the listed price when you add an EG4 battery to your cart! Plus, get $50 shipping on orders of $6,000+ and $150 flat rate shipping on orders of $2,500+*.

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

Power Up With Free Shipping On Two LG Batteries

Get free shipping when you order two LG High Voltage Batteries! Only $2,750 each.

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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LG 16H Prime Battery | 16kWh | 400V | High Voltage

The LG RESU16H Prime is a high-capacity, high-voltage lithium-ion battery designed to provide efficient and scalable energy storage for residential applications. With a 16kWh capacity, it delivers reliable backup power, energy savings, and greater energy independence.

Key Features:

  • Reliable Backup Power
  • High-Voltage Efficiency
  • Expandable Storage
  • Long-Lasting Performance
  • Built for Safety and Durability

Explore All Off-Grid Inverters

View All Kits & Bundles

Browse All EG4 Batteries

Shop The LG High Voltage Battery

Promotion Exclusions

  • 5% Off Off-Grid Inverters, Kits and Bundles, and EG4 Batteries:
    • Customers only need to purchase one item from either qualifying category to receive the 5% discount.
      • The 5% discount applies only to:
        • Items in the Kits & Bundles category
        • Items in the Battery category branded EG4
        • Items in the Off-Grid Inverters category
    • LG bundles are excluded from the 5% off Kits & Bundles offer.
    • Discount is applied at the cart.
  • Free Shipping on Two LG High Voltage Batteries: 
    • The free shipping promotion on LG batteries applies only to the batteries in the cart and valid only within the contiguous U.S.
    • Additional items in the same order may incur standard shipping charges.
  • $50 Flat Rate Shipping on Orders $6,000+: valid only within the contiguous U.S., excludes Chiko Carports, Ground Mount systems, and solar panel pallets.
  • $150 Flat Rate Shipping on Orders $2,500+: valid only within the contiguous U.S., excludes Chiko Carports, Ground Mount systems, and solar panel pallets.
  • 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.