Description
EG4 & BigBattery Hybrid Power Kit | 12kW 120/240V Output 48VDC Inverter – 15kWh System Bundle | 1 x EG4 12000XP Inverter + 1 x BigBattery NEXUS
Description
EG4 & BigBattery Hybrid Power Kit 12kW 120/240V Output 48VDC Inverter 15kWh System Bundle
Take control of your energy independence with the EG4 & BigBattery Hybrid Power Kit. This complete bundle combines the powerful EG4 12000XP Inverter with the reliable BigBattery NEXUS, delivering seamless off-grid or hybrid energy solutions for residential and commercial applications. With a 12kW output at 120/240V and a robust 15kWh storage capacity, this system is engineered to keep your home or business running smoothly—day and night.
- High-Capacity Storage: 15kWh BigBattery NEXUS ensures long-lasting backup and off-grid reliability.
- Powerful Inverter: EG4 12000XP delivers 12kW continuous output with split-phase 120/240V capability.
- Hybrid Flexibility: Supports both grid-tied and off-grid setups for maximum versatility.
- Scalable Solution: Expandable design to grow with your energy needs.
- Smart Efficiency: Advanced inverter technology for optimized performance and reduced energy loss.
Whether you’re powering a home, cabin, or small business, this hybrid kit provides the strength, flexibility, and peace of mind you need for true energy independence.
Would you like me to also craft a shorter, sales-optimized version (bullet-heavy, Amazon-style) for quick product listings?
What’s Included
1 x EG4 12000XP 120/240V Output 48VDC Inverter
1 x BigBattery 48V NEXUS-LiFePO4-300Ah-15kWh
Product Specifications
BigBattery NEXUS Product Specifications
| Battery Specifications | NEXUS 15KWh |
| SKU | F-NXUS-48150-G1 |
| System Voltage | 48V |
| Nominal Voltage | 51.2V |
| Chemistry | LiFePO4 |
| Usable Energy (kWh) | 15kWh |
| Ah Capacity | 300Ah |
| Cell Configuration | 16S1P |
| Max Continuous Discharge | 100A |
| Max Discharge Power | 7.6kW |
| Max Discharge Peak | 110A |
| Max Charge Current | 100A |
| Charging Voltage Range | 53.5V-57.6V |
| Operating Voltage Range | 48V-57.6V |
| Max Charge Voltage | 57.9V |
| Suggested Low Voltage Cutoff | 50.8V |
| Charge Temp Range | 0°C to 45°C |
| Discharge Temp Range | -20°C to 45°C |
| Optimal Discharge Temp | +15°C to +35°C |
| Storage Temp Range (SoC >50%) | -20°C~25°C |
| Humidity Range | 10%-95% (No Condensation) |
| Weight (kg) | ~142.8 kg ±5 |
| Dimensions (WxHxD) | 19.7 x 27.5 x 15.7 in (500×700×400 mm) |
| Altitude Limit | <2000m |
| Max Connections | 15 in parallel (up to 225kWh) |
| Communications | RS485 / RJ45 / CAN |
| Protection Rating | IP21 |
| Certifications | UN38.3 |
| Installation | Indoor Floor-standing |
EG4 12000XP Product Specifications
EG4 12000XP Spec Sheet
EG4 12000XP Certificate of Compliance
EG4 12000XP WiFi Configuration Guide
Product Manual
EG4 12000XP User Manual
BigBattery 48V NEXUS 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 thislimited 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
