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Click here to download the Spec Sheet

Click here to download the Product Manual

Click here to download the Inverter Manual

Click here to download the Inverter Datasheet

The 48V Off-Grid Home PLUS System was designed to completely power all your electronics and heavy duty home appliances in a 4-6 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!

The 48V/15kWh KONG Elite Plus Battery comes with a built-in color LCD Smart Display and new LFP cells guaranteed to last you 10-15 Years (depending on your usage). This battery is 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 PLUS System 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! **

https://youtu.be/hwvBibt0kMs?t=334

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.

Specs

SKU: FKONG-48150-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: 15kWh
Ah Capacity: 300Ah
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): 0°C (32°F) / 55°C (131°F)
Discharge Temp Range (°C): -30°C (-22°F) / 55°C (131°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: 600 (LBS)
Length Inches: 25.5 (64.8 cm)
Width Inches: 15 (38.1 cm)
Height Inches: 46.5 (118.1 cm)
Safety Features: BMS (Battery Management System)
Over Voltage, Under Voltage, Over-Current
(Thermal Management System), Safety Breaker (250A)
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
✅ Solar Systems
✅ Data Servers
✅ Robotics