EG4 48V WallMount 16kWh 314Ah All-Weather Lithium Battery | LiFePO₄
$ 2 624,99
70 in stock
48V LiFePO₄ Battery · 16kWh · IP67 All-Weather
16kWh of Next-Gen Battery Storage, Rated for 10,000 Cycles
The EG4 314Ah All-Weather is EG4’s newest wallmount battery platform — 16kWh nominal (12.86kWh recommended usable) behind a 200A continuous discharge rating, an LCD touchscreen, and an IP67 enclosure rated for direct outdoor installation. It drops into existing 280Ah-form-factor systems, adds an emergency stop and automatic self-heating, and is built for a 10,000-cycle service life.
What Makes This Battery Different
16kWh, 12.86kWh Usable
Next-gen wallmount capacity with drop-in compatibility for existing 280Ah form-factor installs.
200A / 10.2kW Discharge
Continuous discharge power up to 10.2kW, with a 250A battery breaker and 12.8kW of peak power for 3 seconds.
10,000 Cycles, 15-Year Design
Rated for 10,000 cycles at 0.5C and 80% depth of discharge, with a 15-year design life behind it.
LCD Touchscreen + Wireless
An onboard LCD touchscreen for local diagnostics, plus WiFi/Bluetooth connectivity for remote system visibility.
Automatic Self-Heating
Internal heating keeps the cells within charge range through cold weather, protecting both performance and lifespan.
Emergency Stop (E-Stop)
A physical rapid-shutdown control adds a manual safety layer on top of standard BMS protections.
IP67, Wall or Floor Mount
Rated for direct outdoor installation, with the flexibility to wall-mount or floor-mount depending on the space.
Up to 32 Units in Parallel
A high parallel ceiling for serious capacity growth well beyond a single module.
EG4’s Next-Generation Wallmount Platform
This is EG4’s newest wallmount battery line, built as a capacity and durability step up from their 280Ah generation while keeping the same physical form factor — it slots into existing 280Ah-based installs without a redesign, using the same quick-connect terminals plus an added bolt-style terminal for ring connections where needed. New BMS functions carried over into this generation include WiFi/Bluetooth connectivity and active cell balancing, on top of the LCD touchscreen and E-Stop.
At 16kWh nominal (12.86kWh recommended usable at 80% DoD) with a 10,000-cycle rating and a 15-year design life, it’s built for long-term daily use. The IP67 enclosure covers direct outdoor installation, with the option to wall-mount or floor-mount depending on the space available, and up to 32 units can run in parallel for large-scale storage on a single platform.
Full Specifications
Capacity
| Nominal voltage | 51.2 Vdc |
| Chemistry | LiFePO₄ |
| Nominal energy capacity | 16 kWh |
| Usable energy (80% DoD) | 12.86 kWh |
| Rated capacity | 314 Ah |
Charging & Discharge
| Charging voltage range | 56–57 Vdc |
| Discharge cut-off voltage | 47.5 Vdc |
| Max continuous charge current | 157 A |
| Max continuous discharge current | 200 A |
| Continuous charge/discharge power | 8 kW / 10.2 kW |
Protection & Fault Handling
| Peak power | 12.8 kW (3 sec) |
| Battery breaker | 250 A |
| Round-trip efficiency | 95% |
| Protection features | Over/under voltage, over-current, short circuit, high/low temp |
Environmental
| Charging temp range | 32–122°F |
| Discharging temp range | -4–131°F |
| Storage temp (<3 months) | -4–131°F |
| Altitude | <9,843 ft |
| Enclosure rating | IP67 |
Physical
| Weight | 309 lbs |
| Dimensions (H×W×D) | 34.6 × 21.7 × 9.3 in |
| Mounting options | Wall-attached or floor mount |
| Connector type | Degson quick-connect + screw terminal |
| Display | LCD touchscreen + LED status |
Connectivity, Life & Warranty
| Communication | RS485, CAN, WiFi/Bluetooth |
| Max parallel units | 32 |
| Cycle life | 10,000 @ 0.5C, 80% DoD |
| Design life | 15 years |
| Warranty | 10 years or 10,000 cycles |
Certifications (UL1973, UL9540, UL9540A, UN38.3) are listed as pending on this product’s own spec sheet — confirm current status before publishing. Application: residential, commercial, off-grid, backup.
Inverter Compatibility
This battery needs a compatible inverter to function. Closed-loop communication partners differ by installation type — grid-tied installs pursuing UL 9540 certification have a narrower list than fully off-grid installs.
Grid-Tied Installs
Closed-loop comms (cert. status: pending)
- EG4 FlexBOSS18
- EG4 FlexBOSS21
Off-Grid Installs
Closed-loop comms, non-UL 9540
- All BigBattery APEX inverters
- All EG4 inverters
Common Questions
What makes this a “next-gen” battery?
It’s EG4’s newest wallmount platform, built with new BMS functions on top of their 280Ah generation — WiFi/Bluetooth connectivity, active cell balancing, an LCD touchscreen, and an E-Stop — while keeping the same physical form factor and connection style.
Can this drop into an existing 280Ah system?
Yes — EG4 built it in the 280Ah form factor specifically so it can slot into existing installs without a redesign, using the same quick-connect terminals plus an added bolt-style terminal for ring connections.
Is this battery UL certified?
Per this product’s own spec sheet, UL1973, UL9540, UL9540A, and UN38.3 are all listed as pending. Certificate of Compliance and Certificate of Conformity documents are available to download, but full listing status is worth confirming directly before treating certification as final.
Can it really be installed outdoors?
Yes — it’s IP67-rated, built for direct outdoor installation, with the option to wall-mount or floor-mount depending on the space.
How long will this battery last?
It’s rated for 10,000 cycles at 0.5C and 80% depth of discharge, with a 15-year design life, backed by a 10-year (or 10,000-cycle) manufacturer’s warranty.
Do I need a licensed electrician to install it?
Given the voltages and currents involved, installation should be handled by a qualified, licensed electrician or solar installer familiar with your local code requirements.
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Last updated: August 23, 2026
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