Shopping security
Take full control of your energy future with the next-generation EG4 PowerPro - a wall-mounted, all-weather 48V battery system designed to deliver powerful, long-lasting energy storage for homes, cabins, and off-grid properties across the country. This 28.68kWh configuration is a complete power solution built for serious energy independence.

Crafted for rugged performance, the PowerPro features a high-capacity, single-unit design with easy wall mounting and all hardware included. Its IP65-rated aluminum casing shields the system from rain, snow, dust, and debris - perfect for both indoor and outdoor installations. An advanced BMS with auto cell balancing, self-heating capabilities, and an internal fire suppression system ensures maximum safety and reliability in extreme conditions.
Engineered for the Long Haul
With up to 8,000 cycles at 80% depth of discharge, the PowerPro is rated for 10+ years of dependable use, making it a powerful long-term investment for any energy setup.
Pair It with the EG4 12000XP Inverter for Maximum Performance
This system is often bundled with the EG4 12000XP, a 12000W split-phase off-grid inverter that delivers next-level control with:
Dual MPPT inputs
Integrated UPS module
LCD touchscreen display
AC coupling + peak shaving
PV input support up to 24,000W
For smaller setups or budget-conscious projects, consider the EG4 6,000W 120VAC/240VAC Off-Grid Hybrid Solar Inverter, which offers robust performance and scalability.
Seamlessly switch between on-grid and off-grid modes while protecting your appliances from blackouts, grid instability, or high utility rates.

| System Voltage: | 48V |
| Nominal Voltage: | 51.2V |
| Chemistry: | LiFePO4 |
| kWh Capacity: | 14.34kWh |
| Ah Capacity: | 280Ah |
| Charging Voltage Range: | 55.2 - 56.8V |
| Max Charge Voltage: | 56.8V |
| Operating Voltage Range: | 48 – 56.8V |
| Suggested Low Voltage Cutoff: | 48 – 50.8V |
| Cell Configuration: | 16S |
| Max Continuous Discharge Current: | 200A |
| Max Continuous Power: | 10240W |
| Max Discharge Peak Current: |
300A (Max 5 seconds)
|
| Max Charge Current: | 200A |
| Charge Temperature Range: |
-4°F - 113°F (-20°C - 45°C)
|
| Discharge Temperature Range: |
-4°F - 122°F (-20°C - 50°C)
|
| Optimal Discharge Temperature Range: |
59°F - 95°F (15°C - 35°C)
|
| Storage Temperature Range (SoC >50%): |
-4°F - 113°F (-20°C - 45°C) (Max 6 months)
|
| Weight: |
308.6 lb (140 kg)
|
| Depth: |
9.1 in (231 mm)
|
| Width: |
22.3 in (566.5 mm)
|
| Height: |
34.6 in (879 mm)
|
| Max Connections: |
Up to (3) parallel connections per (1) inverter
|
| Protection Rating: |
IP65 / NEMA 4X
|
| Communications: |
CANBus / RS485
|
| Certifications: |
UL9540A, UL1973, & UN38.3
|
| Nominal AC Voltage: |
120/240VAC | 120/208VAC (L1/L2/N required)
|
| Frequency (Grid | Generator): |
60 Hz (Default) | 50 Hz (Configurable)
|
| Max. Continuous AC Current (Grid | Generator): |
100A @ 240VAC | 62.5A @ 240VAC
|
| Max. AC Input Power: | 24000W |
| AC Bypass (Grid | Generator): | 100A | 90A |
| Recommended Generator Capacity: |
6000W - 15000W
|
| Output Voltage: |
120/240VAC | 208VAC
|
| Output Frequency: |
60 Hz (Default) | 50 Hz (Configurable)
|
| Max. Continuous Output Current: |
50A @ 240VAC | 57.7A @ 208VAC
|
| Nominal Output Power (without PV): |
12000W @ 240V | 12000W @ 208V
|
| Nominal Output Power (with PV): |
12000W @ 240V | 12000W @ 208V
|
| Max. Continuous Wattage: |
12000W (L1/L2) | 6000W (L1-N/L2-N)
|
| Surge Capacity: |
18000W (5 sec) | 15000W (10 sec)
|
| Power Factor: | 0.99 |
| Total Harmonic Distortion: | <3% |
| Switching Time: |
<10 ms (Single) | <20 ms (Parallel)
|
| No. of MPPTs (Inputs per MPPT): | 2 (2) |
| Max. Input Current: | 35A / 35A |
| Max. Short Circuit Input Current: | 44A / 44A |
| DC Input Voltage Range: | 100 - 480VDC |
| Min. Start Up Voltage: | 100VDC |
| MPPT Operating Voltage Range: | 120 - 385VDC |
| Nominal MPPT Voltage: | 320VDC |
| Max. Utilized PV Power: |
24000W (12000W per MPPT)
|
| Max. Recommended PV Input: |
28000W (14000W per MPPT)
|
| Max. Efficiency: |
99% (MPPT) | 93.5% (PV to Loads) | 92.8% (PV to Battery) | 92.5% (AC to Battery) | 90.2% (Battery to Loads)
|
| Idle Consumption (Standby Mode): | <70W |

2 × 48V EG4 POWERPRO
1 × EG4 12kW (24kPV) OFF-GRID INVERTER
1 × EG4 PowerPro Parallel Cable Kit
| Spec Sheet: | Click here |
| User Manual: | Click here |
| Quick Start Guide: | Click here |
| UL9540A Certification: | Click here |
| UL1973 Certification: | Click here |
Ships within 48 hours · Estimated delivery Jun 23 - Jun 28
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order