Sigenergy presented SigenStor at Solar & Storage Live 2023 in Birmingham on 17 October 2023, describing it as the world's first 5-in-1 energy storage system and setting out its specifications to the British market for the first time1. The company said it had joined forces with Alternergy in Britain to bring the product to a wider audience1.
The system combines a battery power conversion system, battery pack, EV DC charger, PV inverter and energy management system in one unit1. Sigenergy said the integrated EV DC charging module delivers 90 miles of driving range per hour and supports bidirectional charging, covering both emergency power supply to household appliances (V2H) and grid trading (V2G)1. For commercial and industrial use, the company said up to 10 SigenStors can be installed side by side in on-grid scenarios, giving 250 kW of power output and 480 kWh of capacity, with hybrid on-grid and off-grid configurations available for small businesses1.
On safety, Sigenergy said each battery pack carries five protective measures: advanced temperature sensors, an internal fire suppression system, a decompression valve, aerogel-insulated pads and high-temperature-resistant insulation1. On installation, the company claimed quick connectors and the removal of external battery wiring produce a 15-minute installation time, a 70% efficiency gain over traditional solutions, with commissioning taking 5 minutes including a 2-minute over-the-air software update1. The mySigen app includes Sigen AI, which Sigenergy said is powered by GPT-4o and can answer questions and troubleshoot1.
"We stand at the cusp of a transformative era. Through our groundbreaking innovation, we've created a product that incorporates EV DC charging and cutting-edge AI technology, all aimed at driving down energy expenses, enabling energy independence, and setting new standards for customer satisfaction."
| Feature | Figure given |
|---|---|
| Installation time | 15 minutes |
| Efficiency gain over traditional solutions | 70% |
| Commissioning time | 5 minutes, including 2-minute OTA update |
| EV charging rate | 90 miles of driving range per hour |
| Maximum units side by side (on-grid) | 10 |
| Maximum power output | 250 kW |
| Maximum capacity | 480 kWh |
Why it matters for households
The launch matters less for what a single unit does than for what it bundles. A home battery that also contains the inverter, the energy management system and an EV charger reduces the number of separate boxes on a wall and the number of trades needed to fit them, which is where much of the cost and disruption of a retrofit sits. The claimed 15-minute installation and 5-minute commissioning are the manufacturer's own figures and have not been independently verified1.
The bidirectional charging claim is the more consequential one for a household's energy independence. Vehicle-to-home operation would let a car battery back up household appliances during an outage, and vehicle-to-grid operation would allow trading with the grid1. Whether either is available to a UK household depends on the car, the charger and network permissions, none of which are set out in the announcement. Households weighing backup capability can read our guide to whether a battery storage system works during a power cut.
The five-layer battery protection package addresses fire risk, the concern most often raised about lithium storage inside a home1. Pricing for the UK, warranty terms, eligible grant schemes and a confirmed installer network have not been reported.
What happens next
No UK availability date, pricing or certification details were given in the announcement. The stated partnership with Alternergy is the only route to market named1.
Sources1 cited
- All News, sigenergy.com