Description
Product Information provided by the Manufacturer
Infographic titled “Permit-Ready Plan Set Included.” It shows permit-ready documents, a checklist, a shield icon, a site plan, a roof and system layout drawing, a simple electrical diagram, and a ready-for-submission stamp. The right side lists included documentation types: site plan, system layout, electrical details, labels and placards, and equipment specs. A footer notes that permit requirements, fees, timelines, inspections, utility approvals, and final requirements are determined by the authority having jurisdiction.
Marketing slide titled “All-Weather Performance” with the subtitle “Built for real-world conditions.” It shows an EG4 inverter and battery system installed against a concrete wall with snow or storm effects, plus a 10-year warranty shield icon. The supporting text states that EG4 equipment is engineered to perform reliably in challenging environments from summer heat to winter storms.
Infographic titled “Permit-Ready Plan Set Included.” It shows permit-ready documents, a checklist, a shield icon, a site plan, a roof and system layout drawing, a simple electrical diagram, and a ready-for-submission stamp. The right side lists included documentation types: site plan, system layout, electrical details, labels and placards, and equipment specs. A footer notes that permit requirements, fees, timelines, inspections, utility approvals, and final requirements are determined by the authority having jurisdiction.
Expanded Backup Power. Solar Storage. Smarter Energy Use.
Designed as a smarter installed alternative to portable batteries and generator-only backup, the EG4 18kPV Dual Battery Bundle combines 12kW hybrid inverter output with 28.6kWh of all-weather LFP battery storage for longer runtime potential, greater selected-load flexibility, solar-ready energy management, and long-term home energy confidence.
More Than Backup: Smart Energy Management
Use stored energy when it matters most
When paired with a compatible solar system, the EG4 18kpV Dual Battery Bundle can help store solar energy produced during the day for use later in the evening, during outages, or during higher-cost utility periods. Supports:
Solar self-consumption
Use more of the energy you system produces.
Peak Shaving
Help reduce grid demand during high-use periods where applicable.
Time-of-use management
Use stored energy during higher-rate utility periods where supported by local utility rules.
Backup Reserve
Keep battery capacity available for outages.
Remote Monitoring
View system performance, battery status, and energy activity through EG4 monitoring tools.
Savings and results depend upon utility rates, solar production, household usage, system settings, installation design, and local utility rules.
Built For Expanded Home Backup + Energy Storage
Designed for modern home energy needs
The EG4 18kPV Dual Battery Bundle brings together inverter power, 28.6kWh of all-weather LFP battery storage, solar integration, and installation flexibility in one permanent home energy platform.
Fast Backup Transition
Fast backup transition with 10ms switching moves selected loads to battery power during outages when properly configured.
28.6kWh Battery Storage
Two all-weather LFP batteries provide expanded stored energy for longer runtime potential, backup reserve, solar self-consumption, and time-of-use strategies.
Solar-Ready Hybrid Inverter
Supports solar, battery, grid, and compatible generator input configurations.
All-Weather Battery Design
Outdoor-rated battery with integrated self-heating and long-life LFP technology.
Potential Solar + Battery Rebate Eligibility
When installed as part of an eligible solar and battery storage project, the EG4 18kPV Dual Battery Bundle may qualify for local, utility, or provincial solar and battery storage rebate programs where available. Available incentives may help reduce overall project cost when program requirements are met.
*Eligibility, rebate amounts, application requirements, installer requirements, utility approvals, and approval timelines vary by program and jurisdiction.
Plan Your Backup Loads
With the Dual Battery Bundle, you have more stored energy for essential circuits plus selected comfort loads.
Included Costco Member Value: Permit-Ready Plan Set
Your EG4 18kPV Dual Battery Bundle includes an exclusive Costco member project-specific permit-ready documentation package to help support qualified installation planning and local permit review. Package may include:
Site plan
System layout
Single-line diagram
Electrical details
Labeling & placards
Equipment Documentation
Roof or solar layout, where applicable
*Permit approval, inspection requirements, utility approvals, fees, and timelines vary by jurisdiction.
Included Costco Member Value: 4G Remote Monitoring Adapter
Your EG4 18kPV Dual Battery Bundle includes an EG4 4G Monitoring Adapter, helping keep your system connected for remote monitoring through a 4G cellular connection. It is designed for the EG4 18kPV, giving homeowners a convenient way to monitor system activity remotely. The adapter includes a SIM card with 5 years of service for long-term connectivity support.
Included benefits may include:
Remote monitoring support for the EG4 18kPV 4G cellular connectivity
SIM card with 5 years of service
Helpful for installations where Wi‑Fi access may be limited or less convenient
Designed for Qualified Electrician Installation
Installer-friendly system design helps qualified electricians plan, submit, and install the EG4 18kPV Dual Battery Bundle in accordance with local requirements.
Professional Installation
Designed for installation by a qualified electrician, with Canadian-based technical support available to assist with design planning, permitting and installation support.
Permit-Ready Support
Included plan set helps support installation planning and local permit review, helping streamline the path from purchase to installation.
Code & Utility Requirements
Installation must follow applicable electrical codes, utility requirements, manufacturer instructions, and local authority having jurisdiction requirements.
Ownership Confidence
Industry-Validated System Safety Standards
System configurations are tested to verify safe interaction between inverter and battery components, supporting reliable operation. Tested to UL 9540 / 9540A energy storage system safety standards.
Built for Standard Electrical Systems
Designed to integrate with common residential and light commercial electrical panels and home energy setups.
Smart Monitoring & Remote Visibility
Stay informed with EG4 Smart Monitoring for iOS, Android, and desktop access. View live and historical energy data, monitor solar, battery, grid, and generator activity, and support diagnostics and firmware updates for confident long-term system ownership.
Long-Term Ownership Peace of Mind
Engineered for permanent installation with durable components, long service life, and manufacturer warranty support.
Can this system be used without solar?
Can solar be added?
How much battery storage is included?
Can it help with time-of-use rates?
Will it power my whole home?
How does remote monitoring and system control work with the 18kPV?
How does the system behave during a power outage?
Can the 18kPV sell excess power back to the grid?
What is included with the Dual Battery Bundle?
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Shipping & Returns
Standard Delivery — FREE
Estimated delivery: 5–7 business days.
Delivery times may vary depending on order size and destination.
Returns
Please refer to the store’s return policy for eligibility, exceptions and return instructions.
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