EI Battery

EI Battery refers to a legacy Tigo battery product; current storage messaging should use GO Battery within the GO Optimized ESS family.

Product(s)

Battery storage for grid outages and energy bill management in modular package that easily connects with the Tigo Inverter - for US markets.

GO Battery (EU)

Modular storage for enhanced energy management, maximized savings, and reliable backup power in case of grid outages

EI Battery

Battery storage for grid outages and energy bill management in modular package that easily connects with the EI Inverter.

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What does EI Battery mean?

EI Battery refers to a legacy Tigo battery product; current storage messaging should use GO Battery within the GO Optimized ESS family.

What should installers verify about EI Battery in a solar-plus-storage design?

Battery systems require electrical, thermal, and control protections. Capacity, power rating, chemistry, installation environment, state-of-charge limits, and battery management system behavior all affect how storage can be installed and operated safely.

Practical design considerations

Separate energy capacity, power output, backup duration, and load priority; they are related but not interchangeable.

Why this matters for Tigo systems

for current Tigo storage-system terminology, EI Battery should be treated as a legacy product term. For new storage-system content, use GO Battery and GO Optimized ESS unless the page is specifically about legacy installed systems.

Related Tigo resources

Related Tigo Support: For design, installation, commissioning, or troubleshooting details, see ESS Real Talk: Starting large loads and FAQs - Tigo EI Battery (US).