SonnenBatterie eco 8 Solar Battery

At Trione Energy, we’re proud to provide, install, and support the SonnenBatterie eco 8.

The SonnenBatterie eco 8 is a premium German-made energy storage system crafted for longevity.

Using safe Lithium Iron Phosphate (LFP) technology, this modular, all-in-one storage solution offers customisable capacity from 2 kWh up to 16 kWh per unit, stackable in single- or three-phase configurations. With its intelligent energy management, built-in inverter and award-winning design, the eco 8 ensures efficient solar utilisation, reliable backup and a storage system built to last.

Key Features

Flexible capacity scaling – Choose from 2 to 16 kWh per unit and expand as your needs grow, stacking in parallel or cascading up to ~48 kWh.
All-in-one design with integrated inverter – Reduces component count and simplifies installation.
High efficiency – Achieves up to 98% battery efficiency and 96% inverter efficiency (3-phase).
Smart energy management – Employs intelligent software to optimise energy use, self-consumption, and solar storage.
Durable & lasting – Built for 20 years with a 10-year / 10,000-cycle warranty.
Backup capable – Optional sonnenBackup-Box enables uninterrupted power during outages.
Indoor installation ready – Compact modular cabinets in white (or optional black/silver-grey) suitable for indoor use; user-friendly multi-touch display optional.

Technical Specifications

Specification	Details
Usable Capacity	2 – 16 kWh per unit
Battery Chemistry	LFP (Lithium Iron Phosphate)
Inverter Output Power	1.5 – 3.3 kW (3-phase); up to 2.5 kW (single-phase) depending on size
Efficiency	Battery: up to 98%; Inverter: up to 96% (3-phase), ~93% (single-phase)
Dimensions & Weight	Vary by capacity; e.g., 137×64×22 cm, 120–143 kg (mid-range)
Operating Temperature	5 °C – 40 °C
Certifications	VDE-AR-N 4105, UL1642, IEC62133, AS/NZS 4777, EMC, UN 38.3
Warranty	10 years / 10,000 cycles

Warranty & Support

The sonnenBatterie eco 8 is backed by a 10-year comprehensive warranty, with coverage across all components and guaranteed cycle life.

With Trione Energy, you also benefit from:

Expert supply, design and professional installation
Full commissioning, testing and grid integration
Smart monitoring, updates and proactive maintenance
Local support and guidance to expand or maximise your system

Get a Quote

Want a smart, durable, and stylish battery from Sonnen that grows with your energy demands?

Let Trione Energy show you how the SonnenBatterie eco 8 delivers intelligent energy independence.

Get Your Free Quote Today and join the movement toward cleaner, smarter and more resilient home energy.

Sonnen datasheet
Sonnen battery eco 8
Sonnen company presentation