BigBattery 48V KONG [Choose Capacity: 12KWH, 15KWH or 19KWH] 48V Lithium Battery Bank | Stack up to 8 x Units | 10-Year Warranty

*GET $101 OFF Today! Limited Time Only. Use Code KONG101 at Checkout..(Enter After Adding To Cart)*

Our 48V KONG Lithium Battery Banks are designed around NEW LiFePO4 cells complete with a BMS & 300A fuse. This battery is perfect as a drop-in replacement for lead-acid batteries in your off-grid home, energy storage system, etc. providing you with more capacity, shorter charge times & longer life!

Choose From 2 Capacity Options: 12KWH / 15KWH / 19KWH

This powerful lithium battery is by far one of the best and most cost-efficient powerwall batteries in its class. Capable of being connected in parallel with up to 8 total units, you can easily build a massive 48V battery bank with just two or three of these units.

The 48V KONG comes with pre-installed Anderson connections making it ready to go for quick installation to any inverter, charge controller or bus bar. With the SB175 Anderson to ring terminal cable already included, you'll be up and running in no time!

Includes Comprehensive 10-Year Warranty & Guarantee:

• Made in the USA
• 10-Year Warranty!
• Lifetime Customer Support (Phone, Live Chat Or Email)

48V KONG - 12KWH - SPECS

• LED Display
• Compact Modular Design
• High Temp Operating Range
• Best Power Density/Pack Size
• Best Aluminum Mosfet Design
• 3000 A Short Circuit Protection
• High Cold-Cranking Amps (400A)

Specs:

• Chemistry: LiFePO4 (New)
• Configuration: 16S 1P
• Voltage: 48V
• Ah Capacity: 233Ah
• kWh Capacity: 12kWh
• Wh Capacity: 12,000Wh

Performance Specs:

• Max Continuous Discharge Current: 150A
• Max Continuous Power: 7500W
• Max Discharge Peak Current: 350A (6 Seconds)
• Voltage Range: 43 – 58.8V

Charging Specs:

• Suggested Charge Voltage: 58.8V
• Max Charge Current: 90A

Temperature Parameters:

• Charge Temp Range (°C): 0°C – 55°C
• Discharge Temp Range (°C): -30°C – 55°C
• Optimal Discharge Temp. Range: 15°C – 35°C
• Storage Temp: -20°C – 35°C (Max 6 Months)

48V KONG 12kWh Powerwall Dimensions:

• Weight: 372 (LBS)
• Length: 25.5 (in)
• Width: 15 (in)
• Height: 46.5 (in)

Safety Features:

• BMS (Battery Management System)
• Over Voltage, Under Voltage, Over-Current
• (Thermal Management System), Breaker (300A)

Max battery Connections:

• Series: N/A
• Parallel: (YES) Cap x (8)

Warranty & Guarantee:

• Made in the USA
• 10-Year Warranty!
• Lifetime Customer Support (Phone, Live Chat Or Email)

48V KONG 15kWh - SPECS:

• LED Display
• Compact Modular Design
• High Temp Operating Range
• Best Power Density/Pack Size
• Best Aluminum Mosfet Design
• 3000 A Short Circuit Protection
• High Cold-Cranking Amps (400A)

Warranty & Guarantee:

• Made in the USA
• 10-Year Warranty!
• Lifetime Customer Support (Phone, Live Chat Or Email)

48V KONG 15kWh Powerwall Specs:

• Chemistry: LiFePO4 (New)
• Configuration: 16S 1P
• Voltage: 48V
• Ah Capacity: 300Ah
• kWh Capacity: 15kWh
• Wh Capacity: 15,000Wh

Performance Specs:

• Max Continuous Discharge Current: 150A
• Max Continuous Power: 7500W
• Max Discharge Peak Current: 350A (6 Seconds)
• Voltage Range: 43 – 58.8V

Charging Specs:

• Suggested Charge Voltage: 58.8V
• Max Charge Current: 90A

Temperature Parameters:

• Charge Temp Range (°C): 0°C – 55°C
• Discharge Temp Range (°C): -30°C – 55°C
• Optimal Discharge Temp. Range: 15°C – 35°C
• Storage Temp: -20°C – 35°C (Max 6 Months)

48V KONG 15kWh Powerwall Dimensions:

• Weight: 450 (LBS)
• Length: 25.5 (in)
• Width: 15 (in)
• Height: 46.5 (in)

Safety Features:

• BMS (Battery Management System)
• Over Voltage, Under Voltage, Over-Current
• (Thermal Management System), Breaker (300A)

Max battery Connections:

• Series: N/A
• Parallel: (YES) Cap x (8)

Warranty & Guarantee:

• Made in the USA
• 10-Year Warranty!
• Lifetime Customer Support (Phone, Live Chat Or Email)

48V KONG 15kWh

• SKU: FKONG-48190-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: 19kWh
• Ah Capacity: 372Ah
• 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
• Width Inches: 15
• Height Inches: 46.5
• Safety Features: BMS (Battery Management System) Over Voltage, Under Voltage, Over-Current (Thermal Management System), Safety Breaker (250A)
• Parallel: Up To (8) Parallel

48V Kong Elite - 19KWH - SPECS:

• Chemistry: LiFePO4
  
• Voltage: 48V
• kWh: 19kWh
• Amp Hours: 372 Ah
• Operating Voltage Range: 43V - 58.8V
• Charging Voltage Range: 55.6V - 58V
• Max Charging Voltage: 58.8V (Warning: Do not exceed charging voltage
• Cell Configuration: 16S
• Max Continuous Discharge: 150A
• Max Continuous Power: 7500W
• Max Peak Discharge : 350A (Over 6 Seconds)
• Max Charge Current: 90A
• Charge Temp Range (°C): 0°C - 55°C
• Discharge Temp Range (°C): -30°C / 55°C
• Optimal Discharge Temp Range: 15°C / 35°C
• Storage Temp: -5°C / 35°C (Max 6 Months)
• Weight: 600 (LBS)
• Length Inches: 25.5
• Width Inches: 15
• Height Inches: 46.5

Warranty & Guarantee:

• Made in the USA
• 10-Year Warranty!
• Lifetime Customer Support (Phone, Live Chat Or Email)

Still have questions? Contact Support. at

Orders are processed within 72 hours. We do our best to ship as quickly as possible. You can expect delivery within 7 to 14 business days from order to delivery (US). For more info please see our Shipping policy.

Larger Freight items: Shipping times depend on the destination & the size of the order. Please contact us for shipping time estimates or for a custom freight quote.

Full Manufacturer warranty included.

100% protected against defects or malfunctions with full manufacturer warranty.

Our dedicated customer service team is always available to assist you with help locating warranty information for any product, ensuring a smooth resolution process.

We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your equipment, we’ve got you covered.