Tigo EI Residential Solar Solution

The Tigo EI (Energy Intelligence) Residential Solar Solution includes an Inverter, Battery, and ATS (Automatic Transfer Switch) to enable fast, flexible, and dependable installations (only available in the US)
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Dare to be different

Home solar installations that are:
Fast. Flexible. Dependable.

The Tigo residential solar plus battery storage solution is designed for the installer, homeowner, EPC’s, and financiers


More installations in less time
  • Each TS4 installs in ~10 seconds – no ground wire, bolts or wrenches 
  • Commission a complete system in <10 minutes
  • Bulk scan process for rapid device placement


Scalable solutions for any home
  • Utilize the most energy efficient optimizers or further reduce cost with mandatory rapid shutdown devices
  • Tigo EI storage solution can be deployed as both AC or DC coupled for retrofit or new installations
  • Modular battery with common enclosure for inventory management


Industry-leading warranties & support
  • Longest warranties in the business
  • Tigo support and sales engineering ready to help with your projects
  • Site-specific support available directly through Tigo EI App
  • Reliable, bankable solutions - see our approved financiers


    The best residential storage solution available

    Based on analyzing >900TB of global solar data collected over 13+ years and more than 1GWh of monitored daily solar production.

    EI inverter

    Storage-ready hybrid inverter

    • 3.8, 7.6, and 11.4 kW options
    • Multiple MPPTs (3 and 4)
    • Storage ready ‘hybrid’ string inverter
    • Up to 200% DC oversizing (2:1 DC/AC ratio)
    • Includes a revenue grade meter (RGM)
    • <10 mins commissioning with EI App (including MLPE)
    • Warranty: 152 months
      EI Inverter details
      A picture of the Tigo EI Inverter that is a component of the Tigo EI Residential Solution
      A picture of the Tigo EI Battery that is a component of the Tigo EI Residential Solution

      EI battery

      Modular energy storage solution

      • High performance Lithium Iron Phosphate (LFP) chemistry
      • Support load shift, self consumption and backup
      • 9.9 kWh per enclosure - usable capacity 9.0kWh
      • Up to 39.6 kWh with 4 enclosures per inverter
      • IP56/NEMA4 - outdoor and indoor rated
      • 5 kW continuous power with 6 kW peak power per enclosure
      • Warranty: 132 months or 6,000 cycles
      EI Battery details

      automatic transfer switch

      For home backup power

      • Essential load and whole home back up
      • 50A, 200A options
      • 200A includes optional generator and EV charger connections
      • Output 120Vac and 240Vac split-phase
      • Built-in transformer
      • IP65 - Outdoor and indoor rated
      • Warranty: 132 months
      ATS details
      A picture of the Tigo ATS (Automatic Transfer Switch) that is a component of the Tigo EI Residential Solution
      A picture of the Tigo TS4-A-O Flex MLPE optimizer for solar installations

      Tigo optimizers

      Maximize energy output and module-level visibility

      • Maximize energy production, module level visibility and enhance safety
      • Meet NEC 2017, 2020 rapid shutdown safety requirements
      • Installs in seconds – no ground wires or bolts required
      • Millions of units deployed and working in the field
      • Warranty: 300 months
      Get TS4 details

      Powered by Tigo Energy Intelligence (EI)

      Tigo Energy Intelligence is the software that unifies the entire Tigo EI Residential solution under one platform. With the most granular monitoring in the industry and historical data access, you can pinpoint and diagnose issues remotely.
      Time icon green grey

      Maximize site uptime

      Get real-time alerts when a performance or safety issue arises so the site can quickly be returned to normal. More uptime = more energy.
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      Minimize O&M costs

      Detect system level, string level, and module level issues to pinpoint and diagnose issues remotely. Save money with fewer truck rolls.
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      Enhance the customer experience

      Get visibility to all sites from one spot with fleet, system, and module level performance data. Get more referrals with happier customers.

      Financing solutions available via the following companies

      Dividend logo - whiteSungage Financial logo - whiteMosaic icon - whiteGoodleap logo

      Example layout

      For backup power applications

      Tigo EI Residential Solution schematic showing the Tigo Optimizers, EI Battery, EI Inverter, ATS and Energy Intelligence (EI) software platform
      Tigo TS4 Flex MLPE
      Work with any solar modules, up to 700W.
      TS4 details
      EI Inverter
      Connects to the TS4's, EI Battery, ATS, and wirelessly sends data to the Tigo Energy Intelligence platform.
      EI Inverter details
      EI Battery
      Only 3 connections required per battery. Up to four EI batteries can be used with each EI Inverter.
      EI Battery details
      Automatic Transfer Switch to control backup loads
      ATS details

      Choose Tigo and maximize the ROI of your solar projects

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