HELIOS ESS &
Growatt SPH Hybrid Inverter Integration
Smarter Power, Simplified Integration.
HELIOS ESS &
Take control of your home’s energy with the combination of HELIOS ESS and Growatt Hybrid Inverters.
Empower every home with dependable, high-efficiency energy storage. The combination of Discover Energy Systems’ HELIOS ESS and Growatt SPM Hybrid Inverters (8-10 kW) delivers intelligent backup power and solar self-consumption in one unified system.
Engineered for long-term reliability and straightforward installation, this pairing brings together advanced battery control, fast UPS-grade switching, and versatile system design that adapts to residential and light-commercial projects.
System Configurations
| Feature | Growatt SPH 8000TL-HU-US (B)* | Growatt SPH10000TL-HU-US / (B)* |
|---|---|---|
| AC power (continuous) | 8.0 kW | 10.0 kW |
| Surge / Peak Power | 1.5× rated load (5 s) | 1.5× rated load (5 s) |
| Best Fit Use Cases | Essential circuits and small homes | Whole-home backup, large residential and light C&I systems |
| Backup Transfer Time | < 10 ms (UPS function) | < 10 ms (UPS function) |
| Rated Output Current | 33.3 A @ 240 V | 41.7 A @ 240 V |
| Max Battery Charge / Discharge Current |
200 A | 200 A |
| Solar Input Capacity | Up to 12 kW PV (1.5 DC/AC ratio) | Up to 15 kW PV (1.5 DC/AC ratio) |
| MPPTs / Strings per MPPT | 3 / 2 strings per MPPT | 3 / 2 strings per MPPT |
| Enclosure / Operating Temp. | IP65 / −25 °C to +60 °C (derating > 45 °C) | IP65 / −25 °C to +60 °C (derating > 45 °C) |
| Nominal AC Voltage | 120/208 V or 120/240 V split phase | 120/208 V or 120/240 V split phase |
| Efficiency | 98.1% peak / 97% CEC | 98.1% peak / 97% CEC |
| Recommended HELIOS |
 |
 |
| Why this counts | Inverter charger rated 200 A. One HELIOS meets full charge/discharge capability. | Inverter charger rated 200 A. Two HELIOS deliver 400 A combined for full performance and surge margin. |
| Usable Energy at Recommended Configuration |
16 kWh | 32 kWh |
| Per-battery Capability | 16 kWh, 51.2 V, 314 Ah, 200 A charge and discharge, IP65 outdoor rated. | |
* (B) Built-in breaker: BAT side: 80V/250A, Grid side: 400V/100A, GEN side: 400V/63A, LOAD side: 400V/100A.
Simple & Flexible Installation Options
HELIOS ESS is built to simplify wiring with Growatt inverters while maintaining safety and compliance. Installers can choose the method that best fits the jobsite:
• Discover Generic Wireway. Pre-engineered for HELIOS systems, it provides a clean, organized pathway for routing both power and communication cables while maintaining easy service access.
• Custom / Installer-Supplied Wireway. For non-standard layouts, installers can fabricate their own protective cable channel to suit site conditions and mounting configurations.
950-0068 PARALLEL BATTERY TO BATTERY CABLE SET
950-0070 BATTERY TO INVERTER CABLE SET
950-0072 BATTERY CONNECTOR SET
WHY CHOOSE THIS SOLUTION
The Discover HELIOS + Growatt SPH pairing unites high-efficiency inverter control with advanced lithium storage to provide a resilient, grid-interactive backup system. Growatt’s 98 %-efficient hybrid platform and HELIOS’s 4th-generation BMS maintain closed-loop communication for accurate power management, simplified setup, and long-term reliability. Native 48 V integration, 10 ms UPS-grade transfer, and modular scalability make this combination the clear choice for modern homes and installers seeking performance, flexibility, and compliance across North America.
Matched DC Architecture
HELIOS’s 48 V platform aligns directly with Growatt hybrid inverters for efficient, DC-coupled operation.
Closed-Loop Control
CAN communication via LYNK II enables precise charge control and accurate system monitoring.
Seamless Backup
UPS-grade transfer under 10 ms delivers reliable, uninterrupted backup power.
Installer-Ready Design
Outdoor-rated hardware and clean wiring options simplify installation and commissioning.
Built to Scale
Modular batteries and parallel inverters support easy system expansion over time.
Want to Learn More?
Contact us to get started designing your project with Discover + Sol-Ark.