Skip to content
by EG4

EG4 48V PowerPro LiFePO4 Battery (14.3kWh-85.8kWh) + 12kPV 8000W 48V Split Phase Hybrid Inverter

SKU: K0104
Sold out
Original price $9,549.99
Original price $9,549.99 - Original price $45,209.86
Original price $9,549.99
Current price $7,639.99
$7,639.99 - $36,167.89
Current price $7,639.99
Availability:
Out of stock
Availability:
Out of stock
Availability:
Out of stock
Availability:
Out of stock
Availability:
Out of stock
Bundle Options: 1 x PowerPro Battery + 12kPV Inverter

Free Shipping

Enjoy free shipping on all products from Off Grid Stores

Limited Sales Tax Collection

In compliance with state regulations, we must charge sales tax in: AZ, CA, CO, FL, GA, IL, IN, ME, MI, MD, MN, MO, NC, NJ, NV, OH, PA, SC, TN, TX, UT, VA, WA, and WI.

If your state isn’t listed — no tax!

Authorized Dealer

We are authorized dealers of every brand on our website

Found a lower price?

Let us know and we’ll do our best to beat it. We work hard to offer you the best value online.

10-Year Warranty

Off Grid Stores is an authorized retailer of EG4 products. Because of this, we pass on EG4's manufacturer warranty to you.

Product Highlights

Suitable For

  • RESIDENTIAL POWER SYSTEMS
  • HOME SOLAR SYSTEMS
  • CABINS & TINY HOMES
  • FAMILY HOMES & MANSIONS
  • OFF-GRID HOMESTEADS
  • EMERGENCY POWER
  • WHOLE HOME BACKUP
  • COMMERCIAL SYSTEMS
  • WHOLE OFFICE BACKUP
  • LEAD ACID REPLACEMENT

Features

  • ALL-WEATHER PROTECTION
  • AUTOMATIC SELF-HEATING
  • TOUCH SCREEN LCD DISPLAY
  • PASSIVE CELL BALANCING
  • INTEGRATED 600A BUSBARS
  • DUAL INTERNAL FIRE ARRESTORS
  • EMERGENCY DISCONNECT FUNCTION
  • ZERO MAINTENANCE REQUIRED
Best Price Guarantee

We work hard to offer fair, competitive prices on everything we sell.

If you find the same item listed for less on a competitor’s site, let us know — and we’ll do our best to match it.

Just reach out to our customer service team before purchasing to see what we can do.

You can learn more by visiting our Best Price Request page here.

Shipping & Handling

We provide Free Shipping to the continental 48 United States only.

International shipping, as well as shipping to Alaska, Hawaii, US Protectorates, P.O. Boxes, APO, FPO, or DPO addresses, is NOT available.

Orders are typically processed and shipped from our warehouse within 1-3 Business Days (excluding weekends and holidays).

After leaving our warehouse, the expected delivery time is 3-4 Business Days, resulting in an average total shipping and handling time of 4-7 Business Days.

Learn more about our Shipping & Handling Policy here.

Returns & Refunds

While shopping at Off Grid Stores know that returns are a breeze! If you are not completely satisfied with your purchase, for any reason, you may return it to us within 30 Days of delivery for a refund.

If you would like to open up a return you can send us an email to support@offgridstores.com with your name, order number, and reason for return.

To learn more about our Returns & Refunds Policy you can do so here.

Why Choose Off Grid Stores?
  • Trusted by Thousands: We’ve served over 15,000 customers and counting — your satisfaction is our priority.
  • Real Expertise: Our team has hands-on experience with the products we sell — we actually use them ourselves.
  • U.S.-Based Support: When you reach out, you’ll talk to a real person here in the USA, not someone overseas.
  • Fast, Reliable Shipping: All products ship from U.S. warehouses for quicker, hassle-free delivery.
  • Authorized Dealer: We're official partners with every brand we carry, so your purchase is backed by full manufacturer warranty and support.

EG4 48V PowerPro LiFePO4 Battery (14.3kWh-85.8kWh) + 12kPV 8000W 48V Split Phase Hybrid Inverter

EG4 48V PowerPro LiFePO4 Battery (14.3kWh-85.8kWh) + 12kPV 8000W 48V Split Phase Hybrid Inverter

The wall-mountable, all-weather EG4 PowerPro combined with the EG4 8kW (12kPV) hybrid inverter provides an efficient and reliable energy storage solution for homes and businesses. Featuring a 14.3kWh battery capacity paired with an 8kVA inverter, this system is designed to deliver consistent power, maximize energy savings, and ensure backup power when you need it most.

Built for durability, the PowerPro includes an advanced Battery Management System (BMS) with auto cell-balancing and a self-heating function to maintain optimal performance even in challenging conditions. The included conduit box allows for clean and organized cable management, making installation quick and professional.

The EG4 8kW (12kPV) inverter features three MPPT inputs, enabling efficient solar energy integration up to 12kW. With seamless UPS functionality and peak shaving capabilities, it ensures stable power supply during outages or grid fluctuations.

Certified under UL9540A, UL1973, and UL1741, this system meets stringent safety and performance standards. Its compact design, advanced features, and ease of installation make the EG4 ESS PowerPro-12kPV 14.3kWh 8kVA system a dependable choice for maximizing energy independence and protecting your power needs.

Specifications:

EG4 48V 14.3kWh PowerPro LiFePO4 Battery
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 32°F – 113°F
Discharge Temperature Range -4°F – 122°F
Optimal Discharge Temperature Range 59°F – 95°F
Storage Temperature Range (SoC >50%) -4°F – 122°F
Weight 308.6 lbs
Dimension (DxWxH) 9.1 in x 22. 3 in x 34.6 in
Max Connections Up to (3) parallel connections
per (1) inverter
Protection Rating IP65 / NEMA 4X
Communications CANBus / RS485
Certifications UL9540A, UL1973, & UN38.3
EG4 12kPV 8000W 48V Split Phase Hybrid Inverter
AC INPUT
Nominal AC Voltage 120/240VAC | 120/208VAC
(L1/L2/N required)
Frequency 50 Hz | 60 Hz
Max. AC Input Power 12000W
Max. AC Bypass 200A
Min. Generator Size 5000W
Max. Passthrough Current
(Generator | Grid)
80A | 80A
AC GRID OUTPUT
Output Voltage 120/240VAC | 120/208VAC
Max. Output Current 33.3A @ 240VAC | 38.5A @ 208VAC
Nominal Output Power 8000W
Output/Operating Frequency 50 Hz | 60 Hz
Surge Capacity 16000W (0.5 sec) | 12000W (1 sec) |
10000W (1 min) | 8800W (12 min)
Max. Continuous Line Wattage: 4000W
Power Factor: 0.99 (Full Load)
Reactive Power Adjustment Range -0.8 – 0.8
Total Harmonic Distortion <3% (Full Load)
Transfer Time 10 – 20 ms (Single) / 20 ms (Parallel)
AC BACKUP / UPS OUTPUT
Max. Continuous Output Current 50A
AC Bypass (Generator) 90A
Output Voltage 120V AC / 240V AC
Output Power 12000W
Max. Continuous Line Wattage 8000W (per 120V)
Operating Voltage Range 180 – 270V AC
Output Frequency 50 Hz / 60 Hz
Max. Output Power (with PV) 14700W (10 min) / 15500W (5 min)
Max. Output Power (without PV) 13500W (10 min)
Total Harmonic Distortion Voltage <5%
Switching Time 10 ms
PV INPUT
No. of MPPTs (Inputs per MPPT) 2 (2)
Max. Input Current (per MPPT) 25A
Max. Short Circuit Input Current
(per MPPT)
31A
DC Input Voltage Range 100 – 600VDC
Start Up Voltage 100VDC
MPPT Operating Voltage Range 120 – 500VDC
Nominal MPPT Voltage 360VDC
Max. PV Array Power 12000W
Max. Recommended PV Input 15000W
Max. Efficiency 99.9% (PV to Battery) |
97.5% (PV to Grid) |
94% (Battery to Grid) |
96.4% (CEC Weighted Efficiency)
Idle Consumption (Standby Mode) <55W
BATTERY
Nominal Voltage 48VDC
Voltage Range 40 – 60VDC
Max. Charge / Discharge Current 167A @ 48VDC
Recc. Battery Capacity per Inverter >200 Ah
OPERATING ENVIRONMENT
Operating / Storage
emperature Range
-13ºF – 140ºF
Altitude <6,561 ft (2000 m)
Relative Humidity 0 – 100%
Typical Noise Emission <50 dB @ 3 ft
Protection Rating IP66 | NEMA 4X
Communications RS485 / CANBus / WiFi
Max. Parallel Connections 10
DIMENSIONS
Weight 110 lbs
Depth 11.2 in
Width 20.5 in
Height 29.5 in

PACKAGE INCLUDES

EG4 48V 14.3kWh PowerPro LiFePO4 Battery + 12kPV 8000W 48V Split Phase Hybrid Inverter

EG4 48V 14.3kWh PowerPro LiFePO4 Battery

x 1

Mounting Bracket

x 1

X Bracket

x 1

Concrete Expansion Bolts

x 6

Red & Black Battery to Inverter Power Cables (3.3 FT)

x 2

Battery to Inverter Comm Cable (5 FT)

x 1

EG4 PowerPro Conduit Box

x 1

EG4 12kPV 8000W 48V Split Phase Hybrid Inverter

x 1

Product Documents:

EG4 48V 14.3kWh PowerPro LiFePO4 Battery Installation Guide

download
Download Now >

EG4 48V 14.3kWh PowerPro LiFePO4 Battery User Manual

download
Download Now >

EG4 48V 14.3kWh PowerPro LiFePO4 Battery Specification Sheet

download
Download Now >

EG4 12kPV 8000W 48V Split Phase Hybrid Inverter Specification Sheet

download
Download Now >

EG4 12kPV 8000W 48V Split Phase Hybrid Inverter User Manual

download
Download Now >

EG4 12kPV 8000W 48V Split Phase Hybrid Inverter Certification Of Compliance

download
Download Now >
OTP graphic
OTP graphic