ESY Sunhome - Battery Reviews

About ESY Sunhome

Founded in 2004, China's ESY Sunhome started out manufacturing batteries for small devices, then expanded into a supplier of Battery Management Systems (BMS). In 2021, the firm launched it first home energy storage solution.

Australian Contact Info

Address: 3/52-60 Roberts Road Greenacre NSW 2190
Tel: 02 9166 7642
General Email: [email protected]
Support Email: [email protected]
Website

Company Info

ESY Sunhome has a 12,000m² facility in Shenzhen, China and boasts 800 engineers and assembly line staff. In addition to China, the company has offices in Germany, Italy, and here in Australia; which it opened in 2023.

ESY Sunhome HM6 Batteries

The firm launched its HM6 series home storage system products in January 2023. In Australia, the single-phase HM6 series has been approved by the Clean Energy Council for local use.

This is an all-in-one battery with a maximum power output of 6kW. A modular system, it can be expanded from 5.12kWh usable capacity to 30.72 kWh using 5.12kWh modules. The base model has dimensions of 600 x 305 x 778 mm and weighs 93 kilograms. A full stack (6 modules) weighs in at 343kg.

The HM6 has an operating temperature range of -25 - 60°C (derating above 45°C), so assuming it is kept out of direct sunlight it can handle sizzling Australian summer temperatures. The battery has an IP66 ingress rating.

Rated output power in backup mode (all models) is 6kW. ESY Sunhome has informed us the battery is able to charge from solar during a blackout. 

Monitoring is via the ESY Sunhome App, which the firm says also allows for complete control over the battery's operational status. The app leverages the power of AI to provide "real-time" solutions by considering factors such as user electricity consumption, weather conditions and electricity prices.

Warranty Information

The HM6 warranty is for 10 years or until it provides an energy throughput equal to 21,500 kWh per 5.12kWh module.  This means if the battery discharges 5.12kWh per day per module, its warranty will last the full 10 years.  The battery would have to discharge an average of 5.9kWh per day per module for its warranty to end in under 10 years.  This is more throughput than a number of popular batteries allow.  The warranty also promises the battery will maintain a minimum of 70% of its original capacity while it applies. 

The warranty requires the battery to have a stable internet connection and says the owner must inform ESY Sunhome immediately if there is an internet network outage.

Had any ESY Sunhome products installed at your premises? Leave a rating/review using the button towards the top of this page.