12,000W Off-Grid Battery Backup for Home | 48V Growatt 12kw 120/240V Output + 28kwh Lithium Powerwall
The 48V Off-Grid Home RHINO System Power+ was designed to completely power all your electronics and heavy duty home appliances in a 5-7 bedroom home. This system can be used as a large-scale emergency power backup or a fully off-grid wind/solar home power system for larger homes. This is a powerhouse of a system, utilizing the newest inverter and battery technology at the best price in the USA!
What's Included With Your Order Here?
- 2 × 48V Rhino - LiFePO4 - 276Ah - 14kWh (28kwh total)
- 1 × Growatt Solar Inverter SPF 12000T DVM - 12,000W Output 120/240V Split Phase (all in one solar panels ready)
- 1 × Mounting Cart for 2 White Rhino
- 1 × Parallel Busbar
- 2 × (1) BB175 to Ring Terminals Cable
- 2 × BB350 - Ring Terminal
- 10-Year Battery Warranty
- Lifetime Customer Support
Go Off-Grid with a 48v 14Kwh Rhino LiFePO4 Battery! BigBattery.com
The 2 48V/28KWh RHINO Batteries come with a built-in color LCD Smart Display and new LFP cells guaranteed to last you 10-15 Years (depending on your usage), and you can upgrade for up to 112 Kwh of capacity. These batteries are calibrated to the included (UL Certified) 12,000-Wh Growatt Inverter pumping enough AC power to keep everything in your home running smoothly. This complete system comes with all components and parts required for any local low-voltage electrician to install on your house in less than a day!
The 48V Off-Grid Home RHINO System Power+ is compatible to work with all AC, wind, solar, generator power and/or any redundancy combination you require. This system connects to shore power so your battery will automatically charge when connected. The included low-frequency inverter eliminates power spikes within your home, allowing all your electronics in your home to last longer. This kit includes the safest LFP battery technology with our Built-In Triple-Safety Redundancy features and UL Certified Inverter. This system requires ZERO Maintenance and lasts 300% longer than lead-acid off-grid systems, and all battery packs come with a 10 Year Warranty!
This Kit Includes “WiFi” for easy monitoring from any Mobile Phone, Laptop or Internet Browser! Now you can monitor your Battery Capacity, Energy Usage and Solar Charging!
Why Upgrade Your Home to a BigBattery Off-Grid System?
- BigBattery: Lasts (10)+ Years with Zero Maintenance. (4,000+/Cycles)
- Lead-Acid: Lasts 2-3 Years with annual maintenance required. (500-1000/Cycles)
- BigBattery: Provides 3x More Power to easily run heavy applications.
- Lead-Acid: Cannot run heavy loads and only provide a 50% “Depth of Discharge”.
- BigBattery: Can charge 3x Faster through efficient “Continuous Charge”.
- Lead-Acid: Charges slower with higher power loss. Highly temperature sensitive.
- BigBattery: Requires 1/3rd the space, providing extra space in your home.
- Lead-Acid: Requires 3x the footprint, eliminating valuable space in your home.
- BigBattery: Includes Smart Safety Features in every pack. (BMS/FUSE/THERMAL)
- Lead-Acid: Zero built-in safety features. Exposed terminals. Toxic off-gassing. Unsafe.
Tech Specs
- SKU: FWRHN-48140-G1
- Voltage: 48V
- Chemistry: LiFePO4
- Charging Voltage Range: 55.6 - 58.0
- Max Charge Voltage: 58.8V
- Operating Voltage Range: 43 – 58.8V kWh
- Capacity: 14kWh
- Ah Capacity: 276Ah
- Cell Configuration: 16S
- Max Continuous Discharge Current Amps: 150
- Max Continuous Power Watts: 7500
- Max Discharge Peak Current Amps: 350 (6 Seconds)
- Max Charge Current Amps: 90 Charge Temp Range (°C): -20°C (-4°F) / 65°C (149°F)
- Discharge Temp Range (°C): -35°C (-31°F) / 65°C (149°F)
- Optimal Discharge Temp Range: 15°C (59°F) / 35°C (95°F)
- Storage Temp: -5°C (23°F) / 35°C (95°F) (Max 6 Months)
- Weight: 290 (LBS)
- Length Inches: 43.3
- Width Inches: 4.4
- Height Inches: 26.7
- Safety Features: BMS (Battery Management System) Over Voltage, Under Voltage, Over-Current (Thermal Management System), Safety Fuse (300A)
- Parallel: Up To (8) Parallel
Designed For 48V Applications
- Massive Power Systems
- Lead Acid Replacement
- Intense Heat and Cold
- Emergency Power
- Off-Grid Power
- Solar Systems
- Data Servers
- Robotics
What's Included With Your Order Here Again?
- 2 × 48V Rhino - LiFePO4 - 276Ah - 14kWh (28kwh total)
- 1 × Growatt Solar Inverter SPF 12000T DVM - 12,000W Output 120/240V Split Phase (all in one solar panels ready)
- 1 × Mounting Cart for 2 White Rhino
- 1 × Parallel Busbar
- 2 × (1) BB175 to Ring Terminals Cable
- 2 × BB350 - Ring Terminal
- 10-Year Battery Warranty
- Lifetime Customer Support
Still Have Questions? Give us a call today 1-877-242-2792
Shipping Times | Estimated delivery time to your door for in-stock orders placed today is 5-10 business days. |
Shipments & Lead Times:
We process all orders within 72 hours. From there, we do our best to ship as quickly as possible. Shipping times vary depending on the product and size of your order. We will send you your tracking information to the e-mail and/or phone number on file.
With the incredible demand for solar products, our average delivery time to your door is between 7-10 business days from date of order. However, for some products, shipping can be as fast as 3-5 business days to your door. Please check specific product pages for the most accurate information.
*Please Note* - As a large retailer, our stock levels are healthy and shipments are moving quickly. If you place an order for something that is not in stock, or is on backorder, our team will reach out to you within 24-72 hours of placing your order to determine how you would like to move forward.
If you have any questions, give us a call at 877-242-2792 or reach out via email / live chat.
Product Description
12,000W Off-Grid Battery Backup for Home | 48V Growatt 12kw 120/240V Output + 28kwh Lithium Powerwall
The 48V Off-Grid Home RHINO System Power+ was designed to completely power all your electronics and heavy duty home appliances in a 5-7 bedroom home. This system can be used as a large-scale emergency power backup or a fully off-grid wind/solar home power system for larger homes. This is a powerhouse of a system, utilizing the newest inverter and battery technology at the best price in the USA!
What's Included With Your Order Here?
- 2 × 48V Rhino - LiFePO4 - 276Ah - 14kWh (28kwh total)
- 1 × Growatt Solar Inverter SPF 12000T DVM - 12,000W Output 120/240V Split Phase (all in one solar panels ready)
- 1 × Mounting Cart for 2 White Rhino
- 1 × Parallel Busbar
- 2 × (1) BB175 to Ring Terminals Cable
- 2 × BB350 - Ring Terminal
- 10-Year Battery Warranty
- Lifetime Customer Support
Go Off-Grid with a 48v 14Kwh Rhino LiFePO4 Battery! BigBattery.com
The 2 48V/28KWh RHINO Batteries come with a built-in color LCD Smart Display and new LFP cells guaranteed to last you 10-15 Years (depending on your usage), and you can upgrade for up to 112 Kwh of capacity. These batteries are calibrated to the included (UL Certified) 12,000-Wh Growatt Inverter pumping enough AC power to keep everything in your home running smoothly. This complete system comes with all components and parts required for any local low-voltage electrician to install on your house in less than a day!
The 48V Off-Grid Home RHINO System Power+ is compatible to work with all AC, wind, solar, generator power and/or any redundancy combination you require. This system connects to shore power so your battery will automatically charge when connected. The included low-frequency inverter eliminates power spikes within your home, allowing all your electronics in your home to last longer. This kit includes the safest LFP battery technology with our Built-In Triple-Safety Redundancy features and UL Certified Inverter. This system requires ZERO Maintenance and lasts 300% longer than lead-acid off-grid systems, and all battery packs come with a 10 Year Warranty!
This Kit Includes “WiFi” for easy monitoring from any Mobile Phone, Laptop or Internet Browser! Now you can monitor your Battery Capacity, Energy Usage and Solar Charging!
Why Upgrade Your Home to a BigBattery Off-Grid System?
- BigBattery: Lasts (10)+ Years with Zero Maintenance. (4,000+/Cycles)
- Lead-Acid: Lasts 2-3 Years with annual maintenance required. (500-1000/Cycles)
- BigBattery: Provides 3x More Power to easily run heavy applications.
- Lead-Acid: Cannot run heavy loads and only provide a 50% “Depth of Discharge”.
- BigBattery: Can charge 3x Faster through efficient “Continuous Charge”.
- Lead-Acid: Charges slower with higher power loss. Highly temperature sensitive.
- BigBattery: Requires 1/3rd the space, providing extra space in your home.
- Lead-Acid: Requires 3x the footprint, eliminating valuable space in your home.
- BigBattery: Includes Smart Safety Features in every pack. (BMS/FUSE/THERMAL)
- Lead-Acid: Zero built-in safety features. Exposed terminals. Toxic off-gassing. Unsafe.
Tech Specs
- SKU: FWRHN-48140-G1
- Voltage: 48V
- Chemistry: LiFePO4
- Charging Voltage Range: 55.6 - 58.0
- Max Charge Voltage: 58.8V
- Operating Voltage Range: 43 – 58.8V kWh
- Capacity: 14kWh
- Ah Capacity: 276Ah
- Cell Configuration: 16S
- Max Continuous Discharge Current Amps: 150
- Max Continuous Power Watts: 7500
- Max Discharge Peak Current Amps: 350 (6 Seconds)
- Max Charge Current Amps: 90 Charge Temp Range (°C): -20°C (-4°F) / 65°C (149°F)
- Discharge Temp Range (°C): -35°C (-31°F) / 65°C (149°F)
- Optimal Discharge Temp Range: 15°C (59°F) / 35°C (95°F)
- Storage Temp: -5°C (23°F) / 35°C (95°F) (Max 6 Months)
- Weight: 290 (LBS)
- Length Inches: 43.3
- Width Inches: 4.4
- Height Inches: 26.7
- Safety Features: BMS (Battery Management System) Over Voltage, Under Voltage, Over-Current (Thermal Management System), Safety Fuse (300A)
- Parallel: Up To (8) Parallel
Designed For 48V Applications
- Massive Power Systems
- Lead Acid Replacement
- Intense Heat and Cold
- Emergency Power
- Off-Grid Power
- Solar Systems
- Data Servers
- Robotics
What's Included With Your Order Here Again?
- 2 × 48V Rhino - LiFePO4 - 276Ah - 14kWh (28kwh total)
- 1 × Growatt Solar Inverter SPF 12000T DVM - 12,000W Output 120/240V Split Phase (all in one solar panels ready)
- 1 × Mounting Cart for 2 White Rhino
- 1 × Parallel Busbar
- 2 × (1) BB175 to Ring Terminals Cable
- 2 × BB350 - Ring Terminal
- 10-Year Battery Warranty
- Lifetime Customer Support
Still Have Questions? Give us a call today 1-877-242-2792
Shipping & Delivery
Shipping Times | Estimated delivery time to your door for in-stock orders placed today is 5-10 business days. |
Shipments & Lead Times:
We process all orders within 72 hours. From there, we do our best to ship as quickly as possible. Shipping times vary depending on the product and size of your order. We will send you your tracking information to the e-mail and/or phone number on file.
With the incredible demand for solar products, our average delivery time to your door is between 7-10 business days from date of order. However, for some products, shipping can be as fast as 3-5 business days to your door. Please check specific product pages for the most accurate information.
*Please Note* - As a large retailer, our stock levels are healthy and shipments are moving quickly. If you place an order for something that is not in stock, or is on backorder, our team will reach out to you within 24-72 hours of placing your order to determine how you would like to move forward.
If you have any questions, give us a call at 877-242-2792 or reach out via email / live chat.
Customer Reviews

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