Guardian Tower
Expandable
Battery System
Start with what you need. Grow when you're ready. The Guardian Tower E2.0 holds 3 to 6 ECHO 3.0 LiFePO₄ modules (49 to 98 kWh) in a vertical Guardian enclosure with integrated fire suppression. Compatible with Sol-Ark 15K and 18K inverters.
GUARDIAN TOWER
3 Modules — 49.14 kWh
Base configuration. Powers most homes for 24+ hours. Ideal starting point for families with moderate usage.
- 49.14 kWh total
- 48 Hithium 314Ah cells
- 24+ hours backup
- Pair with Sol-Ark 15K or 18K
4–5 Modules — 65–82 kWh
Mid-range expansion. For larger homes, home offices, EV charging, or customers who want extra buffer for multi-day outages.
- 65.52–81.90 kWh
- 64–80 Hithium 314Ah cells
- 36–48+ hours backup
- Add modules anytime
6 Modules — 98.28 kWh
Maximum configuration. Nearly 100 kWh of LiFePO₄ storage. Powers large homes or small commercial for days on end.
- 98.28 kWh total
- 96 Hithium 314Ah cells
- 48–72+ hours backup
- Small commercial capable
Add Modules Anytime
Slide in a new ECHO 3.0 module when you're ready. No electrician needed for the battery expansion — just plug and play.
1125°F Guardian Shell
Same aerospace-grade aluminum enclosure with integrated fire suppression as the Guardian E2.0. Indoor or outdoor installation.
Sol-Ark 15K or 18K
Compatible with both Sol-Ark single-phase residential inverters. Pair with the 18K for maximum backup power.
Same ECHO 3.0 Modules
Identical 16.38 kWh modules with Hithium 314Ah Grade-A LiFePO₄ cells. 16,000+ cycles. 25-year warranty per module.
SunFusion Monitor Ready
Cell-level monitoring available as a premium add-on. See every cell voltage, SOC, and temperature in real-time.
Residential & Light Commercial
Perfect for large homes, home offices, small businesses, and light commercial that need expandable 48V storage.
Configure your Guardian Tower with 3–6 ECHO 3.0 modules. 30% federal tax credit eligible. Free system design consultation.
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