Sunsynk 8kW ECCO Single-Phase Hybrid Inverter
The Sunsynk ECCO 8kW (part number SUN-8.0-ECCO, model SYNK-8K-SG05LP1) is an 8 kW single-phase hybrid inverter with a 10.4 kW dual-MPPT PV input, designed for residential solar and battery storage where higher power is needed. With 190 A maximum charge/discharge current, 16 kW peak output (10 seconds), essential and non-essential load outputs, and up to 16 batteries connected to a single inverter, the 8 kW ECCO delivers strong performance for larger homes. Compatible with lithium-ion and lead-acid batteries. Automatic switching between grid-tied and off-grid modes. Up to 16 units in parallel. IP65 rated. WiFi logger and CT included. G99 certified. UK installations only. Available from DECO Group, a UK-based solar trade wholesaler.
Key Technical Details
- Part number: SUN-8.0-ECCO
- Supplier part number: SYNK-8K-SG05LP1 ECCO
- Inverter type: Single-phase hybrid (PV inverter and battery storage controller)
- Rated AC output power: 8,000 W
- Maximum AC power (5 minutes): 8,000 W
- Peak output: 16 kW (10 seconds)
- Maximum efficiency: 97.6%
- Euro efficiency: 96.5%
- Maximum PV input power: 10,400 W
- Maximum input voltage: 500 V
- MPPT voltage range: 125 V to 425 V
- DC startup voltage: 150 V
- Maximum DC input current: 44 A total
- MPPT quantity: 2
- Connector: MC4
- Integrated DC switch: Yes
- Transformer: None (transformerless)
- Battery charge/discharge current: 190 A
- Maximum batteries: 16 x 5.12 kWh
- Ingress protection: IP65
- Weight: 28.5 kg
Key Features
- 8 kW rated output with 10.4 kW PV input and 16 kW peak output (10 seconds)
- 190 A charge/discharge current for fast battery cycling
- Dual MPPT design for flexible array configuration
- Essential and non-essential load outputs for load prioritisation
- Compatible with lithium-ion and lead-acid batteries
- Up to 16 x 5.12 kWh batteries connected to a single inverter
- Automatic switching between grid-tied and off-grid modes
- Zero export function
- Up to 16 units in parallel with the same firmware
- Suitable for on-grid, off-grid, and UPS applications
- Built-in anti-overflow function
- IP65 rated for indoor or outdoor installation
- WiFi logger and CT included in the box
Included Components
- 1 x Sunsynk 8 kW ECCO hybrid inverter
- 1 x WiFi logger
- 1 x CT clamp
System Compatibility
- Compatible with most lithium-ion and lead-acid batteries
- Up to 16 x 5.12 kWh batteries per inverter
- Up to 16 units in parallel
- UK installations only
Certifications and Compliance
Installation Notes
- At 28.5 kg, a two-person lift is recommended
- IP65 rated for indoor or outdoor installation
- Must be installed by a qualified electrician or technician
Warranty
- Standard warranty: 5 years (registration required)
Common Questions
Click a question below to reveal the answer.
What is the difference between the Sunsynk 5kW and 8kW ECCO?
The 8 kW ECCO delivers higher rated output (8 kW vs 5 kW), more PV input (10.4 kW vs 6.5 kW), higher battery charge/discharge current (190 A vs unspecified on the 5 kW), and 16 kW peak output for 10 seconds. Both share the same ECCO platform with dual MPPT, essential/non-essential load outputs, WiFi logger and CT included, and up to 16 units in parallel.
Does the Sunsynk 8kW ECCO include a WiFi logger?
Yes. The 8 kW ECCO comes with a WiFi logger and CT clamp in the box.
How many batteries can be connected?
Up to 16 x 5.12 kWh batteries can be connected to a single 8 kW ECCO inverter.
About Sunsynk
Sunsynk is an internationally recognised inverter and battery storage brand offering a wide range of hybrid, off-grid, and grid-tied products for residential and commercial solar installations.
DECO Group supplies Sunsynk hybrid inverters across the ECCO range (3.6 kW, 5 kW, and 8 kW) alongside compatible batteries, meters, and system accessories. Visit decogroup.co.uk for the full catalogue.
About DECO Group
We supply hybrid inverters, battery systems, and installation accessories to professional installers across the UK. Visit decogroup.co.uk for the full catalogue.
