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Tigo EI Battery 9.9kWh with Enclosure

Reliable LFP Storage That Scales With Your Homestead

Restaurant-grade performance — sear at 1,000°F+ with infrared burners
304 stainless steel construction — rust-resistant, built to last decades
Ships fully assembled — wheel it out, fire it up same day
10-year warranty standard — industry-leading coverage on all burners

$2,809.95

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Tigo EI Battery 9.9kWh with Enclosure
Tigo EI Battery 9.9kWh with Enclosure
$2,809.95

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Tigo EI Battery 9.9kWh with Enclosure
Tigo EI Battery 9.9kWh with Enclosure
$2,809.95

Reliable LFP Storage That Scales With Your Homestead

The Tigo EI Battery 9.9kWh is a vetted LFP energy storage system built for daily cycling in grid-tied or off-grid proven residential setups. With 9.0kWh usable capacity, 5kW continuous output, and IP56/NEMA4 rating, this investment handles indoor or outdoor installation while delivering over 6,000 cycle life. Scale up to 39.6kWh by adding enclosures as your energy needs grow. Ships free.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
LFP Chemistry
5kW Continuous Power
IP56 Outdoor Rated
Scalable to 39.6kWh
9.9 kWh
Total Battery Capacity
5 kW
Continuous Power Output
>6,000
Charge Cycles
Tigo EI Battery 9.9kWh with Enclosure

Feature. . This ensures long-lasting durability and consistent performance in demanding conditions. Professional-grade materials and expert engineering come together to deliver a product you can rely on day after day, job after job. Every detail has been carefully considered to maximize your satisfaction and minimize downtime.

Tigo EI Battery 9.9kWh with Enclosure

Feature. . This ensures long-lasting durability and consistent performance in demanding conditions. Professional-grade materials and expert engineering come together to deliver a product you can rely on day after day, job after job. Every detail has been carefully considered to maximize your satisfaction and minimize downtime.

Tigo EI Battery 9.9kWh with Enclosure

Feature. . This ensures long-lasting durability and consistent performance in demanding conditions. Professional-grade materials and expert engineering come together to deliver a product you can rely on day after day, job after job. Every detail has been carefully considered to maximize your satisfaction and minimize downtime.

Compatibility Check

Confirm these conditions before adding the Tigo EI Battery to your system.

  • Your inverter operates within 360V–550V DC range
  • System supports RS485 or CAN communication protocol
  • Installation area supports floor or wall mounting

Built For Real-World Use

This curated battery system adapts to how you actually use power.

Nighttime Self-Consumption
Backup Power During Outages
Load Shifting for Savings

Full specifications

At a glance

Power
5000W/5000W
Warranty
See product page
Full specifications14 data points across 4 categories

Dimensions

InstallationFloor and Wall installation

Power & Performance

Battery Capacity9.9kWh
Max. charge/discharge power5000W/5000W
Max. charge/discharge current14.3A@360V
Battery TypeLithium Iron Phosphate (LFP)
Nominal Voltage400V
Operating voltage range360V ~ 550V
Cycle life>6000 cycles
Parallel3

Materials

EnclosureSee product page

Compliance & Warranty

IP ProtectionIP56/NEMA Type 4
Communication portRS485/CAN
Operating temperature14°F ~ 113°F
WarrantySee product page

The Off Grid Vault Promise

Every product we carry earns its place on our shelves.

Free ShippingShips free to your door, no minimums, no fine print.
30-Day Hassle-Free ReturnsIf it doesn't fit your build, send it back within 30 days.
Vetted for PerformanceWe verify specs and real-world durability before listing anything.
★★★★★
“Outstanding quality and performance. The Tigo exceeded my expectations in every way.”
F
First L.United States

Tigo EI Battery with Enclosure – 9.9kWh, 9.9kW Capacity | 1 Enclosure & 3 Modules

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 Specs

  • 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


Tigo EI Battery 9.9kWh Features

  • High performance battery chemistry – Lithium Iron Phosphate (LFP)
  • Support load shift, self consumption and backup applications
  • 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
  • Operating temperature 14-113°F


Your Satisfaction with Tigo Energy is Guaranteed:

  • 132 Month Warranty
  • Lowest Price Guarantee

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Frequently Asked Questions

All grills ship fully assembled in heavy-duty crating. Just remove the packaging, add propane or charcoal, and cook. No tools required.
We offer free 30-day returns on all grills. If you're not completely satisfied with your purchase, contact us and we'll arrange a free pickup.
Yes — 0% interest financing is available on eligible purchases. Split into 4, 6, or 12 monthly payments with no hidden fees.
Yes. We carry a full catalog of OEM replacement parts including grates, burners, igniters, and heat shields for every brand we carry.
Absolutely. Our grills are built for all-weather use. The 304 stainless steel construction is designed to handle temperature extremes from -20°F winters to 110°F summers.
SKU: TSB-10 Category: Brand:

The Off Grid Vault Promise

Every product we carry earns its place on our shelves.

Free Shipping Ships free to your door, no minimums, no fine print.
30-Day Hassle-Free Returns If it doesn't fit your build, send it back within 30 days.
Vetted for Performance We verify specs and real-world durability before listing anything.

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About tigo Expansion Batteries

tigo is a trusted manufacturer of premium expansion batteries. OffGridVault is an authorized dealer offering the full tigo lineup with free delivery, price match guarantee, and expert support.

View all tigo products →

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