XSOL to Offer Tesla Powerwall 3, Expanding Residential Storage Battery Options
XSOL Co., Ltd., a company that provides nationwide services for solar power generation system design, construction, and maintenance, is set to expand its residential storage battery product lineup. From September 2026, XSOL will begin offering Tesla Japan LLC’s residential hybrid storage battery, Powerwall 3, aiming to further strengthen its proposal system to meet the diverse needs of customers and retailers.
In recent years, with increasing concerns over rising electricity costs and the need for preparedness against natural disasters, the value sought in residential storage batteries has diversified. Customer priorities vary widely, encompassing factors such as family composition, electricity usage patterns, desired equipment for use during power outages, and available installation space.
To address these varied needs, XSOL is expanding its residential storage battery lineup with the addition of Powerwall 3. This initiative will empower retailers and installers to provide tailored proposals that align with each customer’s living environment and lifestyle, while also broadening the range of choices available to customers.
Tesla’s residential hybrid storage battery Powerwall 3
Enhanced Support System for Retailers and Installers
XSOL is reinforcing its support system for retailers and installers to ensure a thorough understanding of Powerwall 3’s features and installation methods. The company will progressively host product training and installation training sessions across the country. These sessions will cover product specifications, features, system configurations, and key installation considerations, providing the necessary knowledge and skills for product proposals and installation.
Furthermore, XSOL is establishing its own original warranty and after-sales service framework. This aims to create an environment where retailers and installers can confidently propose Powerwall 3 to their customers.
A joint web seminar by “Tesla x XSOL” is scheduled for Thursday, August 20, 2026. During this seminar, Tesla is expected to provide an overview of Powerwall 3’s product features, characteristics, and compliance with fire safety regulations, addressing frequently asked questions regarding its introduction. XSOL will also present key points for proposing Powerwall 3, along with details on warranty and after-sales services, to equip retailers and installers with practical knowledge. Further details regarding the web seminar’s agenda and participation methods will be announced at a later date.
Key Features of Tesla Residential Hybrid Storage Battery Powerwall 3
- Simple System Configuration with Built-in Power Conditioner: Powerwall 3 integrates a power conditioner, enabling a streamlined system setup.
- 13.5 kWh Storage Capacity and High Output up to 9.69 kW: With substantial storage capacity and high power output, it can supply electricity to air conditioners, large home appliances, and electric vehicles.
- Smart Energy Management via Tesla App and AI: The Tesla app allows real-time monitoring of household electricity usage and generation. AI automatically adjusts charging and discharging for efficient energy utilization.
- JC-STAR Certified and SII Registered for FY2026 ZEH Subsidy Program: Powerwall 3 has obtained JC-STAR certification (a security requirement conformity assessment system) and is registered as an SII product for the “FY2026 Detached House Net Zero Energy House (ZEH) Support Project.”
Powerwall 3 is a residential hybrid storage battery designed to work with solar power generation systems. It allows for efficient utilization of electricity generated during the day and serves as a backup power source for the home during outages, supporting daily life both in normal times and during emergencies. Its sleek, thin design complements its high capacity and output.
Future Outlook
Leveraging its extensive experience in proposing and selling solar power generation systems, XSOL aims to further enrich its residential proposals by adding Powerwall 3 to its product lineup, catering to the unique lifestyles and needs of individual customers.
Moving forward, XSOL will continue to provide optimal products and services. Through the widespread adoption of renewable energy, the company seeks to contribute to reducing electricity costs and environmental impact in normal times, while also delivering essential power to support families during power outages caused by natural disasters. This commitment aims to foster homes where residents can live with peace of mind, both in everyday life and during emergencies.
Powerwall 3 Exterior
Powerwall 3 Product Specifications
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Model: Powerwall 3
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Nominal Voltage (Input & Output): AC 202 V
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Electrical System: Single-phase, 3-wire
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Frequency: 50/60 Hz
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Storage Capacity (Initial Effective Capacity): 13.5 kWh AC
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Rated Output (AC): 9.69 kW
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Compatible Self-sustaining Operation Device: Backup Gateway 2
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Operating Temperature: -20°C to 50°C
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Dimensions (W×D×H): 1105 x 609 x 193 mm
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Weight: 130 kg
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Weather Resistance: Submersion resistant, heavy salt damage resistant, dustproof
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Installation Environment: Indoor/Outdoor
