Smarter Energy Storage. Bigger Capacity. Built for Outdoors.

The EG4 WallMount 314Ah AllWeather Battery delivers powerful, dependable energy storage designed to perform in demanding environments. With a large 16kWh capacity and a durable, weather-resistant enclosure, this battery is ideal for outdoor installations, system expansions. Built with advanced lithium iron phosphate cells and EG4’s smart battery management system, it offers long-term reliability, easy monitoring, and dependable performance year-round.

Key Benefits

• High-Capacity Energy Storage: Provides 16kWh of usable energy (314Ah) for extended runtime and reliable backup power.
• Built for Outdoor Use: IP67-rated enclosure protects against dust, water, and harsh weather conditions.
• Smarter Battery Management: Integrated EG4 smart BMS includes active cell balancing for improved efficiency and longer battery life.
• Easy Monitoring & Updates: Bluetooth and Wi-Fi connectivity allow real-time monitoring and over-the-air firmware updates through the EG4 app.
• Cold-Weather Ready: Built-in internal heaters ensure reliable operation in colder climates.
• Installer-Friendly Setup: Auto-addressing simplifies installation when paired with EG4 batteries and inverters in closed-loop communication.

Use Cases

Ideal for residential and light commercial solar-plus-storage systems, outdoor battery installations, off-grid setups, and backup power applications where durability, capacity, and easy expansion are required.

Maximum Power. Zero Compromise. Built to Last.

The EG4 12000XP is a high-capacity, split-phase off-grid inverter engineered to provide reliable, continuous power for homes, cabins, and remote properties. As the only ESS off-grid system of its kind, it supports up to 24 kW of PV input without a combiner box and maximizes solar production through dual MPPT tracking. Built for demanding off-grid environments, it delivers advanced system control, dependable battery integration, and scalable performance for long-term energy independence.

Key Benefits:

• High-Voltage PV Input: Accepts up to 480 VDC and 24 kW of solar input, reducing cabling requirements and simplifying system design.
• Dual MPPT Optimization: Maximizes solar energy production by independently tracking two PV strings for stable performance in changing conditions.
• Built-In Wi-Fi Monitoring: Allows remote system monitoring and adjustments through the EG4 App or Monitor Center for added convenience and visibility.
• Closed-Loop Battery Communications: Integrates directly with EG4 48V batteries and supported brands for accurate charging, protections, and safe operation.
• Smart Load Port: Manages dedicated circuits or appliances through load shedding, AC coupling, or selective power delivery to increase system efficiency.
• Parallel Capability: Supports up to 16 units in parallel, enabling large systems up to 240 kW of total output.
• NEC-Compliant Safety: Rapid shutdown–ready (RSD) to meet NEC 690.12 safety requirements.

Use Cases:

The EG4 12000XP is suited for residential homes, cabins, off-grid properties, and remote installations requiring dependable, high-output power. It also supports commercial and light industrial setups that need scalable energy storage and multi-inverter configurations. Ideal for hybrid systems, backup power applications, and full off-grid systems.

EG4 Electronics offers a 10-year Full Parts Replacement or Full Product Replacement Prorated Warranty from the date of battery (EG4 WallMount Indoor 100Ah*1) purchase.

Your warranty must be registered within the first year of purchase or provide proof of purchase from an EG4 authorized distributor to remain valid. If you choose not to register or cannot provide proof of purchase, your warranty may be invalidated.

This limited warranty is to the original purchaser of the product and is one time transferable only if the product remains installed in the original installation location. All parts exchanges, including BMS, are covered during the warranty period. If a full replacement warranty is needed, the warranty is prorated 1/10th per year after the first year at the current retail pricing. Replacement shipping charges may incur on a case-by-case basis. Outside of the continental US, replacement shipping charges may apply.

Product that is not purchased through an EG4 approved vendor is not covered under this warranty. A list of approved vendors can be found on our website. Reselling or removing the product from the original installation site will void the warranty.

Warranty Exclusions – EG4 Electronics has no obligation under this limited warranty for products subjected to the following conditions (including but not limited to):

1. Damages incurred during installation/reinstallation or removal

2. Poor workmanship performed by an individual, installer, or a firm

3. Damages caused by mishandling the product or inappropriate environmental exposure

4. Damages caused by improper maintenance or operating outside the specified operating conditions

5. Tampering, altering, and/or disassembly of the product

6. Using product in applications other than what the manufacturer intended

7. Lightning, fire, flood, earthquake, terrorism, riots, or acts of God

8. Any product with a serial number that has been altered, defaced, or removed

9. Any unauthorized firmware updates/upgrades/patches

10. Failure to update with the most recent firmware version, when known defects/issues are corrected

11. Damages incurred from a voltage or current spikes due to open-loop lithium battery communications

EG4 product warranty is a limited warranty – EG4 limits its liability in the event of a product defect to repair or replacement in accordance with the terms of this limited warranty. EG4 is not responsible for any additional or indirect damages that may arise from the malfunctioning of the product. These damages could be incidental or consequential, including without limitation, any liability for the loss of revenue, profits, or time. EG4 shall not be liable for any direct or indirect loss of life, including but not limited to bodily injury, illness, or death arising from the misuse or mishandling of the product, whether caused by negligence or otherwise.

EG4 recommends operating its batteries under the conditions listed in our white paper “SoH, DoD and Round-trip Efficiency Explained” to maintain longer and more efficient battery life.