Dyness Powerbox G2 10.24kWh Low-Voltage LFP Battery
The Dyness Powerbox G2 (part number DY-POWERBOXG2) is a 10.24 kWh low-voltage lithium iron phosphate (LiFePO₄) battery designed for residential energy storage. With a nominal voltage of 51.2 V, 95% depth of discharge (9.73 kWh usable), up to 10.24 kW maximum discharge power, and automatic self-heating for charging at temperatures as low as -20°C, the Powerbox G2 delivers high-performance storage in a slim 165 mm profile. Scalable from 10.24 kWh up to 512 kWh with up to 50 units in parallel. IP65 rated with integrated smart fire suppression and automatic pressure relief. CAN/RS485 communication. Compatible with a wide range of leading inverter brands. 10-year warranty. Available from DECO Group, a UK-based solar and energy storage wholesaler for professional trade installers.
Key Technical Details
- Part number: DY-POWERBOXG2
- Supplier part number: Power Box G2
- Battery chemistry: Lithium iron phosphate (LiFePO₄)
- Nominal energy: 10,240 Wh (10.24 kWh)
- Usable energy: 9,730 Wh (9.73 kWh)
- Nominal voltage: 51.2 V
- Operating voltage range: 44.8 V to 57.6 V
- Depth of discharge: 95%
- Nominal charge/discharge power: 5,120 W
- Maximum discharge power: 10,240 W
- Maximum discharge current: 200 A
- Peak discharge current: 300 A (2 minutes)
- Maximum charge rate (5 minutes): 5,120 W
- Communication: CAN / RS485
- Scalability: up to 50 units in parallel (10.24–512 kWh)
- Self-heating: Automatic, enables charging at -20°C
- Operating temperature: -20°C to +55°C
- Ingress protection: IP65
- Dimensions: 710 x 165 x 640 mm (W x D x H)
- Weight: 96 kg
Key Features
- 10.24 kWh capacity with LiFePO₄ chemistry and 95% depth of discharge (9.73 kWh usable)
- Up to 10.24 kW maximum discharge with 300 A peak current for demanding household loads
- Scalable from 10.24 kWh up to 512 kWh with up to 50 units in parallel
- Automatic self-heating enables charging at -20°C for cold-climate applications
- Integrated smart fire suppression with 5-second response and automatic pressure relief
- Slim 165 mm depth profile for space-saving installation
- IP65 rated for indoor and protected outdoor installation
- CAN/RS485 communication for inverter integration
- Compatible with SMA, Victron, Solis, Growatt, GoodWe, LuxPower, and others
- 10-year manufacturer warranty
System Compatibility
- Low-voltage 48 V class battery for use with compatible LV hybrid inverters
- Compatible inverters include SMA, Victron, Solis, Growatt, GoodWe, LuxPower, and others
- Refer to the Dyness Powerbox G2 Inverter Compatibility document for the full confirmed list
- Up to 50 units in parallel for large-capacity systems
Installation Notes
- At 96 kg, mechanical lifting equipment or a multi-person team is required
- IP65 rated for indoor installation and protected outdoor installation
- For outdoor installations, a canopy or suitable weather protection is recommended
- Slim 165 mm depth for flexible placement in constrained spaces
- Must be installed by a qualified electrician or technician
Warranty
- 10-year manufacturer warranty
Common Questions
Click a question below to reveal the answer.
Can the Dyness Powerbox G2 operate in cold weather?
Yes. The integrated automatic self-heating system enables charging at temperatures down to -20°C and stable operation from -20°C to +55°C.
How many Powerbox G2 units can be connected in parallel?
Up to 50 units in parallel, providing a maximum system capacity of 512 kWh.
Can the Powerbox G2 be installed outdoors?
The Powerbox G2 is IP65 rated. For outdoor installations, a canopy or suitable weather protection is recommended.
What is the difference between the Dyness Powerbox G2 and PowerDepot H5B G2?
The Powerbox G2 offers 10.24 kWh capacity (vs 5.12 kWh), 95% DoD (vs 90%), higher discharge power (10.24 kW max vs 2.56 kW), automatic self-heating, integrated fire suppression, and a slim 165 mm depth profile. The PowerDepot H5B G2 is lighter (54.4 kg vs 96 kg) and supports wall-mounted installation.
About Dyness
Dyness, founded in 2017 and headquartered in Suzhou, China, is a global energy storage solutions provider serving over 500,000 users in more than 100 countries. Dyness offers residential and commercial energy storage products with a focus on safety, reliability, and scalability.
DECO Group supplies Dyness battery systems alongside compatible inverters and installation components. Browse our Dyness catalogue for residential and commercial energy storage products.
About DECO Group
We supply battery storage systems, inverters, and installation accessories to professional installers and electrical contractors across the UK. Visit decogroup.co.uk for the full catalogue.
