When configured as a UL 9540 certified ESS: <li aria-setsize="-1" data-leveltext="" data-font="Symbol" data-listid="7" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"> EG4 12kPV Hybrid Inverter : UL 1741 <li aria-setsize="-1" data-leveltext="" data-font="Symbol" data-listid="7" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="2" data-aria-level="1"> EG4 WallMount All Weather Battery : UL 1973, UL 9540A <li aria-setsize="-1" data-leveltext="" data-font="Symbol" data-listid="7" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="3" data-aria-level="1"> Min Configuration : 1 EG4 12kPV All-in-One Hybrid Inverter and 1 EG4 WallMount All Weather Battery <li aria-setsize="-1" data-leveltext="" data-font="Symbol" data-listid="7" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="4" data-aria-level="1"> Max Configuration : 3 EG4 12kPV All-in-One Hybrid Inverters and 6 EG4 WallMount All Weather Batteries <li aria-setsize="-1" data-leveltext="" data-font="Symbol" data-listid="7" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="5" data-aria-level="1"> Total Output Power (kW) : 8-24 kW <li aria-setsize="-1" data-leveltext="" data-font="Symbol" data-listid="7" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="6" data-aria-level="1"> Total Energy Capacity (kWh) : 14.3-85.8 kWh Additional capacity may be possible by spacing ESSs 3 ft apart per NFPA 855 and IRC R328 guidelines. Consult AHJ prior to installation for permissible configurations California Proposition 65 Warning

EG4 12kPV + WallMount All Weather Battery ESS

ESS

EG4 12kPV + WallMount All Weather Battery ESS

ESS

EG4®-12kPV-WallMount-All-Weather-Battery-Energy-Storage-System.webp

EG4®-12kPV-WallMount-All-Weather-Battery-Energy-Storage-System-2.webp

The EG4® 12kPV WallMount All Weather Battery Energy Storage System (ESS) keeps your home running when the power goes out. No need to worry about blackouts—this system instantly powers your essentials, from lights to your freezer, even in extreme weather. Its all-weather design and built-in heating ensure reliable performance outdoors or in unheated spaces.

Built for installers but made for you, it delivers powerful backup at an affordable price. Monitor it from your phone and expand it as your needs grow. Certified to UL 9540, it’s a trusted solution for uninterrupted power.

Features & Benefits

Seamless Backup:
Powers critical systems during outages for uninterrupted operation.

Outdoor Reliability:
All-weather design thrives in challenging conditions.

Robust Output:
Up to 24kW with max configuration for high-demand loads.

Flexible Application:
Supports on-grid and off-grid setups.

Simple Installation:
Plug-and-play design streamlines setup.

Scalable Design:
Easily expand to meet growing energy needs.

Smart Monitoring:
Remote performance tracking for efficiency.

Certified Safety:
ETL listed to UL 9540 for trusted performance.

Key Specifications

When configured as a UL 9540 certified ESS:

EG4 12kPV Hybrid Inverter: UL 1741

EG4 WallMount All Weather Battery: UL 1973, UL 9540A

Min Configuration: 1 EG4 12kPV All-in-One Hybrid Inverter and 1 EG4 WallMount All Weather Battery

Max Configuration: 3 EG4 12kPV All-in-One Hybrid Inverters and 6 EG4 WallMount All Weather Batteries

Total Output Power (kW): 8-24 kW

Total Energy Capacity (kWh): 14.3-85.8 kWh

Additional capacity may be possible by spacing ESSs 3 ft apart per NFPA 855 and IRC R328 guidelines. Consult AHJ prior to installation for permissible configurations

California Proposition 65 Warning