Tank Pro 4000

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Build out your backup system with powerful expansion batteries. You can combine as many as 4 Tank PRO 4000 batteries per Yeti PRO. This creates a robust backup system that can run essentials in your home for days on end. And because the system is modular, you can get the expansion batteries you need now and easily add on more in the future when your needs change.

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TANK PRO 4000 HIGHLIGHTS

• Modular Scalability
  Not sure how much power you need? Not a problem. Get one or two expansion batteries now. When life changes, the modular design makes it easy to add more power.
  
• Increased Capacity
  The Tank PRO 4000 has increased capacity over older models so you can power more for longer. Since it’s easy to add on more expansion batteries, you can get enough power to keep your home running for days on end.
• Easy Integration
  

  The Tank PRO 4000 nests snugly with the Yeti PRO 4000 to build out your home backup system. Once connected, the two devices function as one unit and charge and drain together. 

• Long Lifespan
  

  Improved LiFePO4 battery tech gives the Tank PRO 4000 an 8X longer lifespan than our previous generation expansion batteries. When you add one to your setup you get high-capacity, reliable backup power that will last for years.  

CHARGING THE TANK PRO 4000

• The Tank PRO 4000 charges while connected to the Yeti PRO 4000, whether you're connected to your car, an AC wall outlet, or solar panels.
• Once the Tank PRO is connected to the Yeti PRO, they will sync. Then they'll function as one battery and charge or discharge together. 

HOME BACKUP POWER

Our customizable backup power solutions can cover up to 10 essential circuits when you connect your power station to the Haven 10 Manual Transfer Switch. Get reliable power during outages and emergencies. Power lights, fridges, medical devices, Wi-Fi routers, and more!

ON THE ROAD

Need power for appliances in your van or RV? Keep life on the road comfortable with our Escape Ecosystem, which makes it easy to power appliances and charge devices, even when you don't have access to shore power.

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Goal Zero Ecosystem

The Goal Zero ecosystem is designed to give you control over your own power solutions, whether you're looking for home backup, work site power, off-grid power, ways to upgrade your camping trips, or power on the road.  We offer portable power stations, expansion batteries, solar panels, lights, and more.

LEARN MORE

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PORTS

• Accessory Port Cable (Built-In)
• Power (Max): 3600 W
• Voltage: 60 V  
• Current: 75 A 
• Cable Length: 30 in.   
• Cable Diameter: 17 mm
• Accessory Port
• Power (Max) 3600 W 
• Voltage 60 V
• Current 75 A  

BATTERY DETAILS

• Cell Chemistry: LiFePO₄
• Battery Pack Capacity: 3994 Wh (51.2 V, 78 Ah)
• Single Cell Equivalent Capacity: 5,120 Ah @ 3.2 V
• Lifecycles*: 4000

* To 80% of original capacity at 25 °C with a 0.5C charge and discharge.

GENERAL

• Product SKU: 23110
• Warranty: 5 Years
• Weight: 80.3 lbs. (36.4 kg)
• Dimensions: 21.4 x 13.8 x 9.2 in. (54.3 x 35.1 x 23.3 cm)
• Discharge Temperature Range: -4-140 °F (-20-60 °C)
• Charge Temperature Range: 32-125.6 °F (0-52 °C)
• Warranty: 5 years
• Compatibility: Works with the Yeti PRO 4000.