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Promotions

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Biggest Battery Savings Of The Year

Our Battery Blowout Savings Event is here—but only for a limited time. Save on select batteries and make adding storage more affordable than ever. Whether you're upgrading or building out your system, this is a rare chance to secure backup power at a lower cost. Free shipping on orders over $3,000.

Battery storage gives you control when the grid can’t. For a limited time only, take advantage of limited-time pricing on select batteries to add reliable backup and get more out of your system. Orders over $3,000 ship free. Exclusions apply.

10% OFF Select Rack Batteries

Add to cart to see your extra discount! Free shipping on qualifying orders of $3,000 or more.

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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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10% OFF Select WallMount & Freestanding

Add to cart to see your extra discount! Free shipping on qualifying orders of $3,000 or more.

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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US-Based Solar Support

Talk to real solar experts based in the U.S. whenever you need assistance.

FREE SHIPPING On $3,000+

Get free shipping on qualifying orders of $3,000+—no surprises at checkout.

Custom Design Services

Get a free custom system design built by Signature Solar professionals.

Explore The LG High-Voltage Battery

Get free shipping on qualifying orders of $3,000 or more! Power and save today.

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Maximize Your Energy Efficiency With LG

  • High-capacity, expandable storage: parallel two batteries to increase your total capacity to 32kWh.
  • High-voltage lithium-ion battery operates at 400V, allowing for faster charging and better energy conversion.
  • Reliable backup power, energy savings, and greater energy independence.
  • Up to 30% faster EV charging.
  • Reduces overall wiring and material costs.
  • Quickly and efficiently charges large
    appliances.
  • Learn More About the LG Battery

Explore The EG4 Indoor WallMount Battery

Get free shipping on qualifying orders of $3,000 or more! Power and save today.

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High-Capacity Storage with Everyday Reliability

  • Flexible Installation: Hybrid wall or floor mount design with a durable, space-saving IP20-rated enclosure.
  • High-Capacity Storage: 16 kWh nominal energy and 314 Ah capacity for dependable, high-output performance.
  • Powerful Output: 200 A continuous discharge with 12.8 kW peak output supports heavy household loads and seamless backup.
  • Cold-Weather Ready: Integrated self-heating ensures consistent performance and protection in low temperatures.

Shop Battery Blowout

Explore All LG Products

View All EG4 Products

Discover All Batteries

Promotion Exclusions

  • Battery Blowout Sale
    • Only applies to batteries within the Battery Blowout Sale category.
    • Valid only during the promotional period.
    • Orders placed after the sale ends will not receive the discount.
    • Discount valid for retail customers only (not valid for installers, wholesale, or other special customer groups).
    • Discount cannot be applied to prior purchases.
    • Cannot be combined with other discounts, promo codes, or bundle pricing, except for the free shipping promotion on qualifying orders.
  • Free Shipping Discount
    • Must spend $3,000 or more to qualify for free shipping.
    • Solar panel pallets are not eligible for shipping discounts.
    • Large module solar panels are not eligible for shipping discounts.
    • Any product or order that ships to a terminal is not eligible for shipping discounts.
    • Chiko Carports, and Chiko Ground Mounts are not eligible for shipping discounts.
    • Valid in the lower 48 states only.
    • General customer only. Excludes special customer groups including: installers, wholesale, and B2B customers.
  • Promotion is valid only during the promotional period. Limited time offer.
  • Discounts cannot be applied to past or future purchases outside of this timeframe.
  • Signature Solar reserves the right to modify or end the promotion at any time without notice.
  • Promotion does not apply to out-of-stock products.
  • Additional exclusions may apply.

General Exclusions

  • Limited time offer.
  • Offers, including shipping promotions, are valid only for general customers. They do not apply to installers, wholesalers, or other special customer groups.
  • Returns on discounted products will be refunded at the price paid, subject to Signature Solar’s return policy.
  • Orders must be placed and completed during the promotion period to qualify.
  • Signature Solar reserves the right to modify or cancel promotions at any time.
  • Standard exclusions apply.
  • For questions, please contact support@signaturesolar.com.