Powering Homes and Businesses with a Stronger Smarter Energy Storage System

As the demand for clean, stable, and cost-efficient power continues to grow, more users are choosing advanced solar energy storage solutions that combine high performance with long-term reliability. We present a powerful configuration tailored for modern residential and small commercial energy needs:

Solis S6-EH3P15K02-NV-YD-L Three-Phase Hybrid Inverter (15 kW Max) + 2 × M91 PRO LiFePO₄ Batteries (40.96 kWh Total)

This system integrates a high-output, low-voltage three-phase inverter with long-life LiFePO₄ battery storage—delivering outstanding performance, energy independence, and measurable savings.

1. High-performance Solis 15 kW Three-phase Hybrid Inverter

The S6-EH3P15K02-NV-YD-L from Solis is engineered for large homes and small commercial PV-storage systems. Its low-voltage battery design enhances safety while the three-phase output ensures reliable power delivery in demanding environments.

• Output power: 8–15 kW (max 15 kW)
• PV input current: up to 20 A per string
• Battery charge/discharge capability: 290 A / 14 kW
• Communication: Bluetooth and remote monitoring support
• Ingress protection: IP66 (suitable for outdoor installation)
• Parallel: supports up to 6 units in parallel for expansion
• Output modes: three-phase unbalanced output and half-wave output
• Multiple built-in protection mechanisms for continuous safe operation
• Note: Installation must be performed by qualified electrical professionals.

2. Two M91 PRO LiFePO₄ Batteries — 40.96 kWh of Reliable Storage

Each M91 PRO module delivers 20.48 kWh of usable energy, designed for long life and daily cycling stability.

• Nominal voltage: 51.2 V
• Capacity: 400 Ah
• Energy: 20.48 kWh per module (40.96 kWh for two)
• Cycle life: ≥ 8000 cycles @ 80% DOD
• Operating voltage range: 43.2–58.4 V
• Max charge/discharge current: 200 A
• End-of-charge voltage: 58.4 V
• Communication: CAN / RS232 / RS485
• Parallel expansion: support up to 15 packs
• Integrated BMS: cell balancing and protections (over/under voltage, overcurrent, temperature)
• Certifications: ISO / UL / IEC / CE / UN38.3 / MSDS
• Operating temperature: charge 0–45°C; discharge −20–60°C

System Benefits

• High continuous output to support heavy loads and three-phase equipment
• Large usable storage (≈40.96 kWh) for daily backup, peak shaving and off-grid operation
• Expandable architecture: inverter parallel up to 6 units; battery parallel up to 15 packs
• Robust outdoor-rated inverter (IP66) and long-life, safe LiFePO₄ chemistry
• Comprehensive monitoring via Bluetooth and remote platforms

Recommended Applications

Large residential properties, villas, small factories, commercial shops, restaurants, farms, telecom and surveillance stations, and sites requiring reliable backup power or energy cost optimisation.

Installation & Safety

Installation must be carried out by qualified electrical personnel. Proper system design, earthing, protection coordination and professional commissioning are essential to ensure safety and long-term performance.

For project inquiries, sizing or quotation, contact our sales team with your site load profile and solar array details.