ECHO 5.0HV
48.2 kWh High-Voltage
Battery System
The performance tier of SunFusion's HV lineup. 96 Hithium 314Ah Grade-A LiFePO₄ cells in a 96S configuration deliver 307.2V nominal and 96.5 kWh of usable energy. Optimized for Sol-Ark 30K and 60K 3-phase systems. Guardian HV enclosure. 16,000+ cycles.
ECHO 5.0HV
Hithium 314Ah — The Gold Standard
Every ECHO HV system uses the same Hithium 314Ah Grade-A prismatic cells that power our 48V ECHO 3.0 modules — now in high-voltage series configurations for 3-phase commercial inverters.
96.5 kWh · 96S1P
96 Hithium 314Ah cells wired in series. Six 16-cell sub-modules create 307.2V nominal with 98% usable depth of discharge.
- 96 × Hithium 314Ah Grade-A
- 96S1P (6 × 16S sub-modules)
- 307.2V nominal (230.4–350.4V)
- Same cells as ECHO 3.0
- 98% usable DOD
16,000+ Cycle Life
Hithium Grade-A LiFePO₄ cells deliver 16,000+ cycles at 98% DOD — that's 25+ years of daily cycling without ever replacing a cell.
- 16,000+ cycles @ 98% DOD
- 25+ year calendar life
- Zero capacity memory effect
- <0.5% monthly self-discharge
- Grade-A cell selection only
HV Battery Management
Master + slave BMS architecture with active balancing across all 48 cells. CAN bus and RS485 for native Sol-Ark communication.
- Master + 6 slave BMS boards
- Active cell balancing
- CAN bus & RS485 comms
- Sol-Ark native protocol
- Cell-level voltage monitoring
Zero Thermal Runaway
LiFePO₄ chemistry physically cannot catch fire or explode. No NMC, no NCA — ever. The chemistry trusted in aircraft and medical devices.
- LiFePO₄ = zero thermal runaway
- No NMC / No NCA
- Multi-level overcurrent protect
- Over/under voltage shutoff
- Thermal sensor per module
Guardian HV Enclosure
Designed to mount inside the Guardian HV shell — aerospace-grade aluminum with integrated fire suppression and 1125°F fire safety rating.
- Guardian HV shell compatible
- 1125°F fire safety rating
- Aerospace-grade aluminum
- Integrated fire suppression
- Indoor / outdoor rated
SunFusion Monitor
Real-time monitoring to the individual cell level via the SunFusion Monitor platform. SMS & email alerts. Predictive maintenance.
- Cell-level voltage display
- Real-time SOC & SOH
- SMS + email alerts
- Predictive maintenance
- Remote diagnostics
ECHO 5.0HV Technical Data
| Specification | Value |
|---|---|
| Model | ECHO 5.0HV |
| Total Energy | 96.5 kWh |
| Usable Energy (98% DOD) | 94.5 kWh |
| Nominal Voltage | 307.2V |
| Voltage Range | 230.4V – 350.4V |
| Cell Type | Hithium 314Ah LiFePO₄ Grade-A |
| Cell Configuration | 96S1P (6 × 16S sub-modules) |
| Continuous Discharge | 100A (30.7 kW) |
| Peak Discharge (30s) | 200A (61.4 kW) |
| Max Charge Current | 100A |
| Depth of Discharge | 98% |
| Round-Trip Efficiency | ≥97% |
| Cycle Life | 16,000+ @ 98% DOD |
| Calendar Life | 25+ years |
| Self-Discharge | <0.5% / month |
| Operating Temperature | -20°C to 60°C |
| BMS Architecture | Master + 6 × Slave |
| BMS Communication | CAN bus & RS485 |
| Enclosure | Guardian HV Compatible |
| Chemistry | LiFePO₄ (Lithium Iron Phosphate) |
| Safety Certifications | UL9540, UL9540A, UL1973 |
| Warranty | 15 Years / 16,000 Cycles |
Sol-Ark HV Integration
At 307.2V, the ECHO 5.0HV sits in the sweet spot for both the Sol-Ark 30K (150–550V) and Sol-Ark 60K (160–800V) — the ideal choice for most commercial HV installations.
Sol-Ark 30K (150–550V)
307.2V is the ideal mid-range for the 30K's HV input. 96.5 kWh provides 3+ hours of full-load backup at 30kW continuous.
Sol-Ark 60K (160–800V)
307.2V is well within the 60K's 160–800V range. 96.5 kWh provides 1.5+ hours at 60kW full load. Stack with a second unit for massive capacity.
Choose Your Capacity
ECHO 4.0HV
3 × 16S sub-modules
Hithium 314Ah Grade-A
16,000+ cycles
ECHO 5.0HV
6 × 16S sub-modules
Hithium 314Ah Grade-A
16,000+ cycles
ECHO 6.0HV
9 × 16S sub-modules
Hithium 314Ah Grade-A
16,000+ cycles
96.5 kWh of Pure LiFePO₄
The ECHO 5.0HV delivers massive energy storage — nearly 100 kWh with zero thermal runaway risk. Guardian HV enclosure available.
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