



EG4 All-Weather WallMount Battery | 48V 314Ah | 16kWh
EG4 All-Weather WallMount Battery | 48V 314Ah | 16kWh
Description

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.
Product Specifications
EG4 All-Weather WallMount Battery | 48V 314Ah | 16kWh Product Specifications
Tech Specs
- Nominal Voltage: 51.2V
- Energy Capacity: 16kWh
- Charge Capacity: 314Ah
- Parallel Support: Up to 32 batteries (closed-loop)
- Certifications: UL 1973, UL 9540 W/ Flexboss21 & Flexboss18
- Design Life: Tested for over 10,000 cycles at 80% DoD
- Dimensions: 34.6" × 21.7" × 9.3"
- Weight: 309 lbs
Product Manual
Product Warranty
EG4 Product Warranty
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):
-
Damages incurred during installation/reinstallation or removal
-
Poor workmanship performed by an individual, installer, or a firm
-
Damages caused by mishandling the product or inappropriate environmental exposure
-
Damages caused by improper maintenance or operating outside the specified operating conditions
-
Tampering, altering, and/or disassembly of the product
-
Using product in applications other than what the manufacturer intended
-
Lightning, fire, flood, earthquake, terrorism, riots, or acts of God
-
Any product with a serial number that has been altered, defaced, or removed
-
Any unauthorized firmware updates/upgrades/patches
-
Failure to update with the most recent firmware version, when known defects/issues are corrected
-
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.
Product FAQs
N/A
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
EG4 All-Weather WallMount Battery | 48V 314Ah | 16kWh
Description

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.
Product Specifications
EG4 All-Weather WallMount Battery | 48V 314Ah | 16kWh Product Specifications
Tech Specs
- Nominal Voltage: 51.2V
- Energy Capacity: 16kWh
- Charge Capacity: 314Ah
- Parallel Support: Up to 32 batteries (closed-loop)
- Certifications: UL 1973, UL 9540 W/ Flexboss21 & Flexboss18
- Design Life: Tested for over 10,000 cycles at 80% DoD
- Dimensions: 34.6" × 21.7" × 9.3"
- Weight: 309 lbs
Product Manual
Product Warranty
EG4 Product Warranty
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):
-
Damages incurred during installation/reinstallation or removal
-
Poor workmanship performed by an individual, installer, or a firm
-
Damages caused by mishandling the product or inappropriate environmental exposure
-
Damages caused by improper maintenance or operating outside the specified operating conditions
-
Tampering, altering, and/or disassembly of the product
-
Using product in applications other than what the manufacturer intended
-
Lightning, fire, flood, earthquake, terrorism, riots, or acts of God
-
Any product with a serial number that has been altered, defaced, or removed
-
Any unauthorized firmware updates/upgrades/patches
-
Failure to update with the most recent firmware version, when known defects/issues are corrected
-
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.
Product FAQs
N/A





















