Growatt SYN-50-MIN-XH-10 – Backup Box for Single-Phase Hybrid Inverters

£137.53

The Growatt SYN-50-MIN-XH-10 Backup Box enables automatic switchover to backup power during grid failure, ensuring continuous operation of essential loads.

Compatible with Growatt MIN-XH hybrid inverters
Switches to off-grid mode within 0.5 seconds
Easy installation and compact IP65-rated design

Why We Recommend This Product: Essential for homeowners using MIN 2500-TL-XH, MIN 3600-TL-XH or MIN 5000-TL-XH inverters who want uninterrupted power during outages.

SKU: SYN-50-MIN-XH-10-BACKUP

Free and easy returns | Easy to Install | Professional Installers Available

Growatt SYN-50-MIN-XH-10: The Reliable Backup Box for Seamless Off-Grid Switching

The Growatt SYN-50-MIN-XH-10 is a backup interface designed for homes using Growatt MIN-XH hybrid inverters. It enables automatic switching to off-grid mode in the event of a power outage, ensuring that essential household loads remain energised even when the grid fails. Compact, weatherproof and easy to install, this box adds an extra layer of energy security to any solar battery setup.

Automatic Backup Switching for Energy Independence

This unit facilitates a seamless transition from grid-tied to off-grid operation. When paired with a compatible Growatt MIN-XH inverter and battery system, the SYN-50 detects outages and switches over to backup mode within 0.5 seconds, keeping critical circuits powered without user intervention.

Enables true off-grid operation during power cuts
Supports automatic switchover with zero manual input
Maintains power to essential loads like lighting, fridges or Wi-Fi

Compatible with the Growatt MIN-XH Range

This model is specifically designed for use with the Growatt MIN 2500-TL-XH, MIN 3600-TL-XH and MIN 5000-TL-XH inverters. When installed with a Growatt battery system, it ensures your home can continue operating independently of the grid during outages.

Space-Saving, Weatherproof Design

With an IP65 rating and sleek 115mm depth, the SYN-50-MIN-XH-10 can be easily installed indoors or outdoors alongside your inverter. It’s built for durability and doesn’t require complex configuration, making it suitable for new or retrofit installations.

Why Evergy Recommends This Product

The SYN-50-MIN-XH-10 is a vital addition for homes using Growatt’s single-phase hybrid inverters. We recommend it for households that want energy security during blackouts without the complexity of a full off-grid system. It’s reliable, quick to respond, and fully integrated with the Growatt ecosystem.

Ideal for Backup Power in UK Homes

Whether you’re in a rural area prone to outages or simply want to ensure continuous power to your lighting, Wi-Fi or medical devices, this backup box offers peace of mind. It’s also perfect for homeowners using Growatt batteries to support self-consumption and resilience.

Technical Specifications

Input Voltage: 230V single-phase
Switchover Time: ≤0.5 seconds
Dimensions: 332 x 260 x 115 mm
Weight: 5.3 kg | Protection Class: IP65

View datasheet for full installation details and safety ratings.

Explore More Compatible Products

Pair this unit with the MIN 3600-TL-XH inverter and a Growatt battery system for a complete hybrid solar setup. You can also explore other inverters or solar batteries in our range.

FAQ

Q: Can I use this without a Growatt battery?
No – this box is intended for systems that include a compatible Growatt inverter and battery setup.

Q: Does it power the whole house during outages?
No – it supports a dedicated essential load circuit, not the entire property. Speak to your installer for load sizing.

SYN-50-MIN-XH-10-BACKUP datasheet

Free delivery -

NEXT DAY Delivery to Oxfordshire, Buckinghamshire and London via an EVERGY vehicle. Max of 1 ton weight.

Other delivery options via courier -

FREE NEXT DAY (*orders over £50, some batteries and inverters will require an additional fee) via FEDEX. Monday to Friday, up to 30kg, Max box size 50cm x 50cm x 50cm (volume). Orders must be received by 2pm.

Anytime NEXT DAY delivery – under £50 = £6.50 (depending on location, weight and size)

Regardless of spend, additional to any of the above charges –

Before noon (FedEx Priority Express) = Guide Price £15.00 (calulated at checkout)

Before 10am (FedEx First) = Guide Price £20.00 (calulated at checkout)

Delivery of pallets -

Palletised deliveries – Prices starting at £58

Multiple pallet orders can be quoted upon request (price dependent on number of pallets and postcode area)

Special delivery items may vary (non-stock products).

SAME DAY COLLECTION - Click & collect from Evergy Stores (Thame, Oxfordshire).