Skip to content
LOWEST PRICES GUARANTEED | NO SALES TAX | SPEAK WITH AN EXPERT: (916)-999-9937
Lowest Prices Guaranteed | SPEAK WITH AN EXPERT: (916)-999-9937
Big Battery 48V KONG (12kW-19kW) - 233Ah- LifePO4

Big Battery 48V KONG (12kW-19kW) - 233Ah- LifePO4

by Big Battery
SKU AKONG-48120-G2
Save up to $2,001.00 Save $-3,999.00
$3,999.00 - $6,900.00
$6,900.00
$3,999.00
$3,999.00 - $4,899.00
$3,999.00
🚚 Fast Delivery Times

💰 Lowest Price Guaranteed

🛡️Premium Authorized Big Battery Dealer - Warranty Included

🧑🏻‍💼Post-Purchase Lifetime Customer Support

❓Questions? Talk to Experts (916)-999-9937

Big Battery 48V KONG 2 – LiFePO4 – 233Ah – 12kWh & others

*This battery has now been relaced and is shipped now under the newer Kong Evo Battery that can be found here.

Our 48V battery is designed around NEW LiFePO4 cells and manufactured in the USA. We add the new BMS information Display. The 12kW product can provide you 233Amp while some other ones can give you as much as 372aH

This Replacement Battery Pack is an extreme upgrade to any Lead-Acid battery system in your RV, Solar, or Off-Grid Power Application. By upgrading to this BigBattery pack, you will have More Capacity, More Power, Faster Charging Capabilities, Lighter Payloads, Longer Cycle-Life and the lowest carbon footprint.

These batteries are warrantied to last a minimum of 10 years with Zero Maintenance Required. In both short and long-term, we guarantee that you will see and feel the LiFePO4 difference!

Kong Battery - thehomeupgrade.com

300%

10 YEAR SAVINGS VS LEAD-ACID

1/3

THE WEIGHT AND SPACE

4X

CYCLE-LIFE

100%

SAFE & RELIABLE



12kWh Tech Specs

 

SKU:
AKONG-48120-G2
System Voltage: 48V
Nominal Voltage: 51.2V
Chemistry: LiFePO4
kWh Capacity: 12kWh
Ah Capacity: 233Ah
Charging Voltage Range: 55.6 - 58.0V
Max Charge Voltage: 58.8V
Operating Voltage Range: 47.2 – 58.8V
Suggested Low Voltage Cutoff: 47.2 – 50.8V
BMS Cutoff Range: 42 – 47V
Cell Configuration: 16S
Max Continuous Discharge Current: 150A
Max Continuous Power: 7500W
Max Discharge Peak Current:
350A (6 Seconds)
Max Charge Current: 90A
Charge Temperature Range:
0°C (32°F) / 55°C (131°F)
Discharge Temperature Range:
-20°C (-4°F) / 55°C (131°F)
Optimal Discharge Temperature Range:
15°C (59°F) / 35°C (95°F)
Storage Temperature Range:
-5°C (23°F) / 35°C (95°F) (Max 6 Months)
Weight:
600 lb (272.2 kg)
Depth: 15 in (38.1 cm)
Width:
25.5 in (64.8 cm)
Height:
46.5 in (118.1 cm)
Safety Features:
Fuse (300A) & Battery Management System
(Over/Under Voltage, Over Current, &
Over/Under Temperature Protection)


15kWh 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: 400
Max Continuous Power Watts: 7500
Max Discharge Peak Current Amps: 350 (6 Seconds)
Max Charge Current Amps: 300
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 Fuse (300A)
Parallel: Up To (8) Parallel


17kWh Specs
SKU: FKONG-48170-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: 17kWh
Ah Capacity: 332Ah
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


19kWh Specs

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 (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

 

 

Manual PDF Documents:

15Kwh Spec Sheet

17kWh Spec Sheet Click Here

19kWh Spec Sheet Click Here


Designed For 48V Applications

  • MASSIVE POWER SYSTEMS
  • LEAD ACID REPLACEMENT
  • INTENSE HEAT AND COLD
  • EMERGENCY POWER
  • OFF-GRID POWER
  • SOLAR SYSTEMS
  • MOBILE POWER
  • DATA SERVERS
  • ROBOTICS