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All-in-One Stackable Energy Storage Systems

FlexAIO

Product Introduction

The SolisStorage FlexAIO series is an all-in-one home energy storage system designed specifically for residential applications, with capacities ranging from 6 to 54kWh and expandable to a maximum of 324kWh. It integrates the inverter and battery into a single system and features a built-in backup port, enabling whole-home backup without STS switching. The battery features a stackable design for quick and easy installation in as little as 5 minutes. Each battery PACK is equipped with independent DC optimization modules for intelligent cluster-level management, enhancing system safety, efficiency, and flexibility. The system also supports the flexible integration of new and existing batteries, improving cost-effectiveness by up to 33%. Comprehensive safety protection is implemented at the battery-cell level, ensuring stable operation across a wide temperature range of -25°C to 60°C. Compatible with Solis AI, the FlexAIO enables intelligent energy management and delivers a smarter, more flexible home energy experience.

Technical Specifications

Single-phase ESS Three-phase ESS

    FLexAIO-S7-EH1P(3-10)K-NV-ND-D

    Battery type: LiFePO4

    Battery Nominal energy: 6kWh / 9kWh

    Battery cell: 314Ah

    Cell cycle life: ≥6000

    Inverter Rated output power: 3kW / 3.6kW / 4.6kW / 5kW / 6kW / 8kW / 10kW

    Inverter Rated grid voltage: L/N/PE, 220 V / 230 V

Datasheet Download

    FLexAIO-S7-EH3P(5-20)K-NV-ND-D

    Battery type: LiFePO4

    Battery Nominal energy: 6kWh / 9kWh

    Battery cell: 314Ah

    Cell cycle life: ≥6000

    Inverter Rated output power: 5kW / 6kW / 8kW / 10kW / 12kW / 15kW / 20kW

    Inverter Rated grid voltage: 3/N/PE, 220V / 380V; 3/N/PE, 230V / 400V

Datasheet Download

Leading Features

Uses A+ grade cells, ≥6,000+ cycle life

Five-layer hardware redundancy protection as standard

Supports 200% PV oversizing, maximizing solar energy utilization

Supports 150% overload for 10 seconds in off-grid mode

Supports seamless on-grid and off-grid switching with transfer times <10ms

Designed for all environments: IP66 protection & C5-M anti-corrosion

Intelligent thermal management with standard battery heating and active cooling, operable from -20°C to 55°C

Supports mixing of 6kWh and 9kWh battery packs, as well as old and new batteries

Each cluster supports up to 6 stacked modules, with up to 6 clusters in parallel, expandable to a maximum of 324kWh

Independent module management with intelligent per-cluster optimisation

The system continues to operate safely even if a single battery pack fails

Dedicated VPP communication channel, plug-and-play direct connection to third party EMS/VPPs with an open protocol

Solis AI – smart energy management with generator support

Integrated stackable design for quick and easy installation within 5 minutes

Supports OTA remote upgrades for efficient operation and maintenance

Redefining C&I Storage

Downloads

Datasheet
Flyer - FLexAIO S7-EH3P(5-20)K_Global Flyer - FLexAIO S7-EH1P(3-10)K_Global
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