Tigo EI 11.4kW Hybrid Inverter - TSI-11.4K-US, Ethernet/WiFi

Tigo EI 11.4kW Hybrid Inverter - TSI-11.4K-US, Ethernet/WiFi

$2,294.49 USD
Sale price  $2,294.49 USD Regular price  $2,699.19 USD
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Tigo EI 11.4kW Hybrid Inverter - TSI-11.4K-US, Ethernet/WiFi

Tigo EI 11.4kW Hybrid Inverter - TSI-11.4K-US, Ethernet/WiFi

$2,294.49 USD
Sale price  $2,294.49 USD Regular price  $2,699.19 USD
  • 11.4kWAC Output
  • Up to 200%DC Oversizing
  • 3-4MPPTs
  • NEMA 4X / IP65Enclosure
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Free, tracked & insured delivery

Arrives damaged or defective? Report it within 7 days of delivery and we cover the return shipping. Other returns are subject to our return policy terms. Read the full return policy

  • Free shippingIncluded in the price
  • Talk to an expert(210) 900-2018 · Mon-Fri 9-5 CT
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  • Manufacturer warrantyTerms set by the manufacturer
Why Buy from Us

At OmniNova Home Systems, we believe buying premium home technology and lifestyle products should be simple, transparent, and backed by real customer support. We carefully screen our products and partner with reputable manufacturers to help ensure quality, reliability, and long-term value. Customers benefit from competitive pricing, free shipping on most items, responsive customer service, and access to white glove delivery and turnkey solutions on select products. We also offer an online price match program to help ensure you receive exceptional value while maintaining manufacturer-authorized pricing standards. Whether you're upgrading your home with smart technology, renewable energy solutions, security systems, simulators, drones, or advanced entertainment products, our mission is to provide a streamlined shopping experience with dependable support before and after your purchase.

Disclaimers
  1. Price match requests must comply with manufacturer Minimum Advertised Price (MAP) policies and may not apply to unauthorized sellers, clearance items, auctions, membership-only pricing, or pricing errors.
  2. Customer service response times are based on availability and may be limited during federal holidays, including but not limited to Christmas Day, Thanksgiving Day, and New Year’s Day.
  3. Free shipping applies to most products unless otherwise noted on the product page. Additional shipping charges may apply to oversized, freight, remote-area, or specialty items.
  4. White glove services and turnkey solutions are available only on qualifying products and in select service areas. Availability may vary by manufacturer, carrier, or installation requirements.
  5. Product screening and manufacturer evaluation do not constitute guarantees, warranties, or endorsements beyond those expressly provided by the product manufacturer.
Tigo

Tigo Energy TSI-11.4K-US EI Hybrid Solar Inverter — WiFi/Ethernet

The Tigo Energy TSI-11.4K-US EI Hybrid Inverter is the intelligent core of the Tigo Energy Intelligence (EI) ecosystem — an 11.4kW single-phase hybrid inverter that seamlessly manages solar production, energy consumption, and battery storage when paired with Tigo TSB batteries.

11.4kW AC Output
Up to 200% DC Oversizing
3-4 MPPTs
NEMA 4X / IP65 Enclosure
Key Features

Key Features & Benefits

  • 11.4kW Hybrid Solar Inverter — storage-ready for future battery expansion
  • Up to 200% DC Oversizing — maximize array design flexibility (2:1 DC/AC ratio)
  • Multiple MPPTs (3-4) — optimized energy harvest across complex roof layouts
  • 50V Low Start-Up Voltage — earlier and longer daily production
  • Integrated Revenue-Grade Meter (RGM) — accurate production and consumption tracking
  • Module-Level Monitoring & Rapid Shutdown — when paired with Tigo TS4 MLPE
  • Built-in Wi-Fi & Ethernet (optional cellular) — always-connected energy intelligence
  • Fast Commissioning — under 10 minutes using the Tigo EI App
  • Lightweight Design — approx. 45 lbs for easier installation
  • NEMA 4X / IP65 Rated — suitable for indoor or outdoor use
  • Integrated CCA & RSS — safety and compliance built in
  • Emergency Stop (E-Stop) Button — enhanced system safety
  • Tigo Access Point (TAP) Compatible
System Capabilities

Grid-Tied, Hybrid & Backup Ready

  • Net Metering Compatible
  • Anti-Islanding Protection — no export during grid outages
  • Backup Power Capable when paired with Tigo ATS + Tigo Battery
  • Supports off-grid configurations (internet connection required for full warranty)
Tigo

Worldwide leader in Flex MLPE, module-level power electronics

Buy with confidence: free, tracked and insured shipping, secure Shopify checkout, and phone support at (210) 900-2018 before and after your purchase.

Independent Retailer: OmniNova Home Systems is an independent retailer of this Tigo product. We are not an authorized dealer, distributor, or representative of Tigo, and have no professional affiliation, sponsorship, or endorsement relationship with the brand. All trademarks remain the property of their respective owners.

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