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Tigo EI Battery 9.9kWh with Enclosure

Tigo EI Battery 9.9kWh with Enclosure
$3,200.00 - $3,200.00
$3,200.00
$3,200.00 - $3,200.00
$3,200.00
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Tigo

Tigo EI Battery 9.9kWh with Enclosure

The Tigo EI Battery with Enclosure – 9.9kWh is a lithium iron phosphate (LFP) energy storage solution designed for reliable residential solar and backup applications. With a 9.9kWh usable capacity, it integrates seamlessly into the Tigo EI Residential system to store excess solar energy for nighttime use, self-consumption, or backup power during outages. The LFP chemistry provides strong thermal stability, long service life, and consistent performance, making it well suited for daily cycling in grid-tied or hybrid solar setups.

Housed in a durable enclosure, the system is built for clean installation and long-term protection in residential environments. It supports system monitoring and communication through the Tigo ecosystem, allowing homeowners and installers to manage energy usage, performance, and system health from a single platform. Designed with scalability in mind, the Tigo EI Battery can be paired with additional units in supported configurations, offering a flexible path for expanding storage capacity as energy needs grow.

Tigo EI Battery 9.9kWh with Enclosure
Lowest Price Guarantee
Authorized Tigo Dealer
Genuine Tigo Equipment
0% APR Financing via Affirm
Talk to a Human: (303) 876-7654

Why the Tigo EI Battery 9.9kWh with Enclosure

Battery Type

Lithium Iron Phosphate (LFP)

Installation

Floor and Wall installation

High performance battery chemistry – Lithium Iron Phosphate

High performance battery chemistry – Lithium Iron Phosphate (LFP)

Support load shift, self consumption and backup

Support load shift, self consumption and backup applications

9.9 kWh per enclosure - usable capacity

9.9 kWh per enclosure - usable capacity 9.0kWh

Up to 39.6 kWh with 4 enclosures per

Up to 39.6 kWh with 4 enclosures per inverter

Tigo EI Battery 9.9kWh with Enclosure Specifications

Parallel 3
Battery Capacity 9.9kWh
Max. charge/discharge power 5000W/5000W
Max. charge/discharge current 14.3A@360V
Battery Type Lithium Iron Phosphate (LFP)
Nominal Voltage 400V
Operating voltage range 360V ~ 550V
IP Protection IP56/NEMA Type 4
Installation Floor and Wall installation
Operating temperature 14°F ~ 113°F
Cycle life >6000 cycles
Communication port RS485/CAN

Documentation & Downloads

Tigo EI Battery 9.9kWh with Enclosure Spec Sheet (PDF)

Lowest Price Guarantee

Find it cheaper at another authorized Tigo dealer? Call us before you order and we will take care of you.

Authorized Tigo Dealer

This is genuine Tigo equipment, sold and supported by Renewable Outdoors as an authorized dealer.

Help From People Who Sell These Every Day

Call (303) 876-7654. We would rather spend ten minutes sizing your system correctly than process a return later.

Tigo EI Battery 9.9kWh with Enclosure: Frequently Asked Questions

How much energy does the EI Battery 9.9kWh with Enclosure provide?
The EI Battery 9.9kWh with Enclosure is rated at 9.9kWh (Battery Capacity). That figure comes straight from the manufacturer's specifications for this model, and the full spec sheet is linked above under Documentation & Downloads.
How much can the EI Battery 9.9kWh with Enclosure be expanded?
The EI Battery 9.9kWh with Enclosure supports parallel connection: 3 (Parallel). Full details are in the spec sheet linked above.
How long does the EI Battery 9.9kWh with Enclosure last?
The EI Battery 9.9kWh with Enclosure is rated for >6000 cycles (Cycle life), giving it a long usable service life under normal use.
Is the EI Battery 9.9kWh with Enclosure rated for outdoor installation?
3A@360V Battery Type: Lithium Iron Phosphate (LFP) Nominal Voltage: 400V Operating voltage range: 360V ~ 550V IP Protection: IP56/NEMA Type 4 Installation: Floor and Wall installation Operating temperature: 14°F ~ 113°F Cycle life: >6000 cycles Communication port: RS485/CAN Tigo EI Battery 9.
What's the maximum charge and discharge current for the EI Battery 9.9kWh with Enclosure?
The EI Battery 9.9kWh with Enclosure supports a charge current of 14.3A@360V and a discharge current of 14.3A@360V. Check the spec table above before pairing it with a charger or inverter.
What voltage does the EI Battery 9.9kWh with Enclosure run on?
The EI Battery 9.9kWh with Enclosure operates at 400V (Nominal Voltage). Make sure the rest of your system is built for the same voltage before ordering.
Is this genuine Tigo equipment?
Yes. Renewable Outdoors is an authorized Tigo dealer, and this product is genuine Tigo equipment.
Does Renewable Outdoors offer financing or price matching?
Yes. We offer 0% APR financing options through Affirm at checkout, and the EI Battery 9.9kWh with Enclosure is backed by our Lowest Price Guarantee — if you find it cheaper at another authorized Tigo dealer, call us at (303) 876-7654 before you order and we will take care of you.
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