The DPA PowerStack 45 is a pre-configured residential battery energy storage platform built on the Deye All-in-One (AI1) low-voltage system — a 10kW single-phase hybrid inverter and 46.08kWh of stackable LiFePO₄ battery storage in a single floor-standing cabinet, supplied with the key components required for installation.

Developed by DPA Energy, the PowerStack range simplifies residential battery system specification by combining a matched inverter, battery, monitoring and protection components under a single part number. Because the inverter and battery modules stack into one enclosure, PowerStack reduces the installed footprint and removes the separate battery enclosure and external DC battery cabling that a split inverter-and-battery system requires.

PowerStack 45 supports existing or new rooftop PV systems up to 16kW and is suitable for both new hybrid installations and battery retrofits. It is designed for homes whose daily energy consumption, backup requirements or rooftop solar generation suit 46.08kWh of storage.

Application

PowerStack 45 is designed for residential installations where battery storage is being added to improve solar self-consumption, provide backup capability and support future household electrification.

Typical applications include:

• Existing rooftop solar systems requiring battery storage
• New hybrid solar and battery installations
• Installations where a single, compact floor-standing unit is preferred
• Blackout power ability for essential household circuits
• Homes planning additional electrical loads, including EV charging

Battery capacity should be selected based on household energy consumption, available solar generation, backup requirements and future electrical demand. PowerStack 45 provides a standardised platform where 46.08kWh of storage is appropriate for the application.

PowerStack 45 includes

• Battery storage: 46.08kWh Deye AI-W5.1 LiFePO₄ battery (9 × 5.12kWh modules across 2 stacks)
• Hybrid inverter: Deye All-in-One (AI1) LV 10kW Single Phase Inverter
• Battery distribution: Deye AI-W5.1 PDU3 and PDU1 power distribution units with stacking battery bases
• AC protection: 63A single-pole AC circuit breaker
• AC sub-circuit protection: 50A single-pole AC circuit breaker
• Monitoring: Energy Meter & CT
• Compliance: Solar Label Kit and Battery Label Kit

Typical system performance

PowerStack 45 is intended for residential systems where battery storage is required to capture more on-site solar generation while providing reliable backup power.

Typical installations include:

• 46.08kWh of installed battery storage
• Rooftop PV systems up to 16kW
• Continuous AC output up to 9,999W
• Homes exporting a significant proportion of daytime solar generation
• Essential circuit blackout protection
• Capacity for future electrical loads such as EV charging

Actual performance will vary depending on system configuration, household energy consumption, solar generation, weather conditions and backup load requirements.

Why PowerStack? A pre-configured platform

PowerStack combines the major system components into a single stacked platform, reducing the time required to specify, source and procure compatible products.

All-in-One architecture

Each PowerStack configuration is built on the Deye All-in-One (AI1) LV platform, where the hybrid inverter and LiFePO₄ battery modules stack into one IP65-rated cabinet. Inverter and battery are factory-matched, so there is no separate battery enclosure or external DC battery cabling to specify.

Scalable capacity

Battery modules are added to the stack in 5.12kWh increments, so a single platform covers a wide capacity range and can be expanded after installation as household demand grows.

Simplified installation

By including AC protection, monitoring hardware and compliance labelling, PowerStack helps reduce the need to source additional installation components separately.

Developed by DPA Energy

PowerStack is a DPA Energy platform developed to simplify residential battery system design and specification. Each configuration combines compatible technologies, installation components and practical application knowledge into a standardised system that helps reduce specification complexity while streamlining procurement, installation and commissioning.

Rather than selecting individual products for every project, installers can specify a proven platform configured around real-world residential applications and backed by DPA Energy's technical expertise.