Tigo EI 3.8K String Inverter

Tigo EI 3.8K String Inverter

$1,838.00
Sale price  $1,838.00 Regular price 
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Tigo EI 3.8K String Inverter

Tigo EI 3.8K String Inverter

$1,838.00
Sale price  $1,838.00 Regular price 

The Tigo EI 3.8K is a residential hybrid string inverter that pairs Tigo's optimizer ecosystem with battery storage capability in a single unit. The Tigo EI inverter communicates natively with Tigo TS4 optimizers and the Tigo Energy Intelligence platform — giving installers panel-level monitoring, rapid shutdown, and battery backup in one integrated system.

Specifications

Model 601-2103K8-0002
AC Output 3.8kW continuous
Phase Single-phase, 240V
Battery Interface 48V LFP (Tigo EI Battery)
Solar MPPT 2 independent
Backup Capability Yes — whole-home capable
Warranty 10 years

Key Features

  • Native integration with Tigo TS4 optimizers — one platform for monitoring and MLPE
  • Battery backup using Tigo EI Battery or compatible 48V LFP batteries
  • Panel-level monitoring and rapid shutdown in one inverter ecosystem
  • Tigo Energy Intelligence portal with panel-level production data
  • Grid-tied, off-grid, and backup modes supported

Best For

Systems already using or planning to use Tigo TS4 optimizers. Provides a fully integrated Tigo ecosystem for monitoring, MLPE, and storage.

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