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Big Battery 48V Mustang with EG4 6K Off-Grid Inverter - 139Ah 7kWh Kit Options

SKU K0934
Save up to $6,468.00 Save $4,259.00
Original price $8,559.00
Original price $8,559.00 - Original price $13,668.00
Original price $8,559.00
Current price $4,300.00
$4,300.00 - $7,200.00
Current price $4,300.00
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Big Battery 48V Mustang with EG4 6K Off-Grid Inverter - 139Ah 7kWh Kit Options

OPTIONS:

  • 48V Mustang with EG4 6K Off-Grid Inverter (2X Kit) - 278Ah 14kWh
  • 48V Mustang with EG4 6K Off-Grid Inverter (3X Kit) - 417Ah 21kWh

PRODUCT INFORMATION:

BigBattery’s 48V 2x MUSTANG Kit is our latest LiFePO4 solution for your vehicle, with 14kWh of capacity. Whether you’re looking to equip your golf cart with a high-capacity power system, or outfit your RV or camper van with a battery that’ll keep you moving forward, the MUSTANG is your answer.

The MUSTANG is one of our most energy-dense models, packing 7kWh and 139Ah of capacity in a sleek, steel casing. This battery is built to maximize the capabilities of your power system, and was designed for efficient power delivery, with generous operating parameters, regardless of how far your adventures take you. But that’s not all, the MUSTANG is equipped with state-of-the-art safety and reliability features, so you can hit the road worry-free. The MUSTANG utilizes Grade A Razor cells, the safest lithium cells on the market today, capable of being fully punctured without releasing fumes or catching fire. But we didn’t stop there. This battery is also equipped with our proprietary Beyond BMS, an advanced battery management system with triple safety redundancy, including protections such as Short Circuit, Over Current, Over/Under Voltage, and Over/Under Temperature protections.

Plus, we pair these MUSTANGs with a cutting-edge 6000W EG4 split-phase inverter, equipped with its own in-depth LCD display, so you can always stay up to date on the status and performance of your power. This multifunctional inverter and charger boasts advanced parallelability up to 96kW, built-in circuit breakers, smart load control, variable working modes, and an integrated UPS module, along with the ability to handle PV arrays of up to 8000W, making this unit a perfect companion to your 48V MUSTANGs.

So if you’re looking to turn your vehicle into a lean, mean, lithium-powered machine, this battery will deliver. The MUSTANG is guaranteed to provide reliable, high-capacity power storage from the moment you head out, to the moment you get back. Shop the all-new 48V MUSTANG & MUSTANG Kits today.

DESIGNED FOR 48V APPLICATIONS:

  • GOLF CARTS
  • UTILITY CARTS
  • 48V UTVs & LSVs
  • LEAD ACID REPLACEMENT
  • CLASS A, B, & C RVs
  • CAMPER VANS
  • FOOD TRUCKS
  • SEMI-TRUCK APS
  • COMMERCIAL VEHICLES
  • EMERGENCY BACKUP

INCLUSIONS:

48V Mustang with EG4 6K Off-Grid Inverter (2X Kit) - 278Ah 14kWh

  • 2 × 48V MUSTANG - LiFePO4-139Ah-7kWh (AMSTG-48070-G1)
  • 1 × EG4 6kW (8kPV) OFF-GRID INVERTER (INV026)
  • 1 × Parallel Busbar (CNT015)
  • 1 × 2AWG (Black and Red) 3FT Ring to Ring Terminal Cable (CBL086)
  • 2 × 4AWG 4FT BB175 to Ring Terminal Cable (CBL015)

48V Mustang with EG4 6K Off-Grid Inverter (3X Kit) - 417Ah 21kWh

  • 3 × 48V MUSTANG - LiFePO4-139Ah-7kWh (AMSTG-48070-G1)
  • 2 × EG4 6kW (8kPV) OFF-GRID INVERTER (INV026)
  • 1 × Parallel Busbar (CNT015)
  • 2 × 2AWG (Black and Red) 3FT Ring to Ring Terminal Cable (CBL086)
  • 3 × 4AWG 4FT BB350 to Ring Terminal Cable (CBL020)

SPECIFICATIONS:

Single Battery Tech Specs

SKU: AMSTG-48070-G1
System Voltage: 48V
Nominal Voltage: 51.2V
Chemistry: LiFePO4
kWh Capacity: 7kWh
Ah Capacity: 139Ah
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: 120A
Max Continuous Power: 7500W
Max Discharge Peak Current: 300A (6 Seconds)
Max Charge Current: 45A
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: 146 lb (66.2 kg)
Depth: 11.6 in (29.5 cm)
Width: 39.9 in (101.4 cm)
Height: 4.4 in (11.2 cm)
Safety Features: Fuse (300A) & Battery Management System
(Over/Under Voltage, Over Current, &
Over/Under Temperature Protections)
Max Connections: Up To (8) Parallel
Spec Sheet Download:

Inverter Specs

AC INPUT & OUTPUT

AC Voltage: 120V AC / 240V AC
AC Frequency: 50 Hz / 60 Hz
Max. Continuous AC Current: 37.5A @ 240V
Max. AC Input Power: 9000W
AC Bypass: 50A
Output Voltage: 120V AC / 240V AC
Output Frequency: 50 Hz / 60 Hz
Max. Continuous Output Current: 25A @ 240V
Output Power: 6000W
Surge Capacity: 12000W (3.5 sec) / 11000W (5 sec)
Power Factor: 0.99 (Full Load)
Reactive Power Adjustment Range: -0.8 - 0.8 Leading Adjustable
Total Harmonic Distortion: <3%
Switching Time: <15 ms (Single) / <30 ms (Parallel)

PV INPUT

No. of MPPTs (Inputs per MPPT): 2 (1)
Max. Input Current: 17A / 17A
Max. Short Circuit Input Current: 25A / 25A
DC Input Voltage Range: 100 - 480V DC
Start Up Voltage: 100V DC ± 10V DC
MPPT Operating Voltage Range: 120 - 385V DC
MPPT Voltage: 320V DC
Max. PV Array Power: 8000W (4000W per MPPT)
MPPT Efficiency: 99%

BATTERY

Nominal Voltage: 48V DC
Battery Voltage Range: 46.4 - 60V DC
Max. Discharge Current: 140A
Max. Charge Current: 125A
DC Cut-Off Voltage: 59V DC
DC Recovery Voltage: 57.4V DC
Charge Cut-Off Voltage: 58.4V DC

OPERATING ENVIRONMENT & DIMENSIONS

Operating Temperature: 32ºF - 113ºF (0ºC - 45ºC)
Storage Temperature: 5ºF - 140ºF (-15ºC - 60ºC)
Altitude: <6,561 ft (2000 m)
Relative Humidity: 5 - 95%
Typical Noise Emission: <58 dB
Protection Rating: IP20
Max. Parallel Connections: 16
Weight: 52.9 lbs (24 kg)
Depth: 5.25 in (132 mm)
Width: 18 in (457 mm)
Height: 25.5 in (648 mm)
Spec Sheet:
User Manual:
Monitoring System Guide:
Monitoring Adapter Installation Guide:
UL1741 Certificate:
Warranty: