GOAL ZERO Tank PRO 4000 User manual

TANK PRO4000

Please read all warnings, instructions and cautions carefully before use to
avoid personal injury, property damage or damage to your Tank PRO 4000,
or any connected products. Goal Zero reserves the right to update this
document without prior notice. Please visit www.goalzero.com to find the
latest product information and the most recent version of the User Guide.
• WARNING - Observe and carefully follow all connector ratings. There is a risk
of excessive heat, melting, fire, or electric shock from the use of accessories,
charging cords, or other electrical connections if the appropriate connector
ratings do not match the Tank PRO 4000 connector ratings. Consult your
product manuals for information about electrical connector ratings.
• WARNING - Ensure all connectors and accessories are tightly and securely
plugged in. Loose connections can lead to fire and other risks.
• WARNING - DO NOT allow the unit to be dropped, seriously jarred, punctured,
or otherwise damaged.
• WARNING - DO NOT use your Tank PRO 4000 if it is damaged or modified.
• WARNING - DO NOT allow foreign objects to enter into inputs, outputs or
ventilation holes.
• WARNING - DO NOT open you Tank PRO 4000 or tamper with or attempt to
replace your battery.
• WARNING - DO NOT allow children to use the Tank PRO 4000.
• WARNING - To reduce the risk of damage to the electric plug and cord, pull the
plug rather than the cord when disconnecting and connectors or plugs.
• WARNING - Two-person lift required. Please use caution when lifting the
power station to prevent injury to yourself or the unit. We recommend using the
wheeled cart when the power station is on flat ground.
• WARNING - Always utilize the Mounting Plate (SKU 96155) and ensure all
latches are tightly secured when stacking the Tank PRO 4000 and Yeti PRO
4000. TIPPING HAZARD: Never stack more than four Yeti Tanks with one Yeti
PRO 4000. Stacking products without the mounting bracket can constitute a
tipping hazard and lead to injury. Stacking more products than recommended
can lead to damage to the products and an injury hazard. Never step or climb
on any Goal Zero products and never allow a child to step or climb on or around
the products.
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS • WARNING - DO NOT charge, turn on or otherwise use your Tank PRO 4000 if it
is submerged or exposed to a significant amount of liquid, or if any liquid enters
the unit casing. If internal components get wet, your Tank PRO 4000 must
be disposed of. Failure to comply with these guidelines could cause serious
damage, injury, or death. In this case, isolate it in a fire safe location before
disposal. Contact your local fire department if you see any sparks or smell
burning. Contact a local fire department or a local battery recycling center for
instructions on battery disposal requirements in your area. More information
about safely recycling batteries can be found at:
https://www.epa.gov/recycle/used-household-batteries
• Damaged or modified batteries may exhibit unpredictable behavior resulting in
fire, explosion or risk of injury.
• WARNING - DO NOT expose the Tank PRO 4000 to extreme temperatures
(greater than 140 degrees F/60 degrees C or less than -4 degrees F/-20
degrees C).
• WARNING - Keep your unit in a dry, well-ventilated area when in use and do
not obstruct fan openings. Inadequate ventilation may cause damage to your
device.
• WARNING - DO NOT expose the unit to strong electrostatic or electromagnetic
conditions.
• WARNING - DO NOT use your Tank PRO 4000 with life-saving medical
equipment. Take special care whenever using your device with medical
equipment or around medical equipment and ensure that the specified
requirements of the medical equipment are compatible with the device. Your
Tank PRO 4000 is not a certified Uninterruptable Power Supply and has not
been tested to hospital-grade standards or any standards specifically related
to medical equipment.
WARNING
Be sure the cable is fully inserted into the expansion port on the back of the Yeti
PRO 4000 before use. Check upon subsequent uses. For questions, contact the
Goal Zero Solutions Center at support@goalzero.com or 1-888-794-6250.

Please read all warnings, instructions and cautions carefully before use to
avoid personal injury, property damage or damage to your Tank PRO 4000,
or any connected products. Goal Zero reserves the right to update this
document without prior notice. Please visit www.goalzero.com to find the
latest product information and the most recent version of the User Guide.
• WARNING - Observe and carefully follow all connector ratings. There is a risk
of excessive heat, melting, fire, or electric shock from the use of accessories,
charging cords, or other electrical connections if the appropriate connector
ratings do not match the Tank PRO 4000 connector ratings. Consult your
product manuals for information about electrical connector ratings.
• WARNING - Ensure all connectors and accessories are tightly and securely
plugged in. Loose connections can lead to fire and other risks.
• WARNING - DO NOT allow the unit to be dropped, seriously jarred, punctured,
or otherwise damaged.
• WARNING - DO NOT use your Tank PRO 4000 if it is damaged or modified.
• WARNING - DO NOT allow foreign objects to enter into inputs, outputs or
ventilation holes.
• WARNING - DO NOT open you Tank PRO 4000 or tamper with or attempt to
replace your battery.
• WARNING - DO NOT allow children to use the Tank PRO 4000.
• WARNING - To reduce the risk of damage to the electric plug and cord, pull the
plug rather than the cord when disconnecting and connectors or plugs.
• WARNING - Two-person lift required. Please use caution when lifting the
power station to prevent injury to yourself or the unit. We recommend using the
wheeled cart when the power station is on flat ground.
• WARNING - Always utilize the Mounting Plate (SKU 96155) and ensure all
latches are tightly secured when stacking the Tank PRO 4000 and Yeti PRO
4000. TIPPING HAZARD: Never stack more than four Yeti Tanks with one Yeti
PRO 4000. Stacking products without the mounting bracket can constitute a
tipping hazard and lead to injury. Stacking more products than recommended
can lead to damage to the products and an injury hazard. Never step or climb
on any Goal Zero products and never allow a child to step or climb on or around
the products.
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS • WARNING - DO NOT charge, turn on or otherwise use your Tank PRO 4000 if it
is submerged or exposed to a significant amount of liquid, or if any liquid enters
the unit casing. If internal components get wet, your Tank PRO 4000 must
be disposed of. Failure to comply with these guidelines could cause serious
damage, injury, or death. In this case, isolate it in a fire safe location before
disposal. Contact your local fire department if you see any sparks or smell
burning. Contact a local fire department or a local battery recycling center for
instructions on battery disposal requirements in your area. More information
about safely recycling batteries can be found at:
https://www.epa.gov/recycle/used-household-batteries
• Damaged or modified batteries may exhibit unpredictable behavior resulting in
fire, explosion or risk of injury.
• WARNING - DO NOT expose the Tank PRO 4000 to extreme temperatures
(greater than 140 degrees F/60 degrees C or less than -4 degrees F/-20
degrees C).
• WARNING - Keep your unit in a dry, well-ventilated area when in use and do
not obstruct fan openings. Inadequate ventilation may cause damage to your
device.
• WARNING - DO NOT expose the unit to strong electrostatic or electromagnetic
conditions.
• WARNING - DO NOT use your Tank PRO 4000 with life-saving medical
equipment. Take special care whenever using your device with medical
equipment or around medical equipment and ensure that the specified
requirements of the medical equipment are compatible with the device. Your
Tank PRO 4000 is not a certified Uninterruptable Power Supply and has not
been tested to hospital-grade standards or any standards specifically related
to medical equipment.
WARNING
Be sure the cable is fully inserted into the expansion port on the back of the Yeti
PRO 4000 before use. Check upon subsequent uses. For questions, contact the
Goal Zero Solutions Center at support@goalzero.com or 1-888-794-6250.

Getting Started 2
i. In the Box 2
ii. How it Works 3
iii. Get to Know Your Gear 4
Set Up Instructions 5
i. Wi-Fi Pairing 7
ii. Using the App 7
Using Your Product 8
Storage and Maintenance 8
Technical Specifications 9
Troubleshooting 10
Frequently Asked Questions 10
Français 12
Deutsch 24
Español 36
Italiano 48
Portugués 60
日本語 72
Suomalainen 84
Nederlands 96
Svenska 108
Table of Contents
For assistance with your device in the United States, visit our contact page at
www.goalzero.com/contact or call 1-888-794-6250. For assistance with your
device outside of the United States, contact the local distributor. If you do not have
contact information for the local distributor, contact us in the United States and we
will help connect you to the local representative.

Getting Started 2
i. In the Box 2
ii. How it Works 3
iii. Get to Know Your Gear 4
Set Up Instructions 5
i. Wi-Fi Pairing 7
ii. Using the App 7
Using Your Product 8
Storage and Maintenance 8
Technical Specifications 9
Troubleshooting 10
Frequently Asked Questions 10
Français 12
Deutsch 24
Español 36
Italiano 48
Portugués 60
日本語 72
Suomalainen 84
Nederlands 96
Svenska 108
Table of Contents
For assistance with your device in the United States, visit our contact page at
www.goalzero.com/contact or call 1-888-794-6250. For assistance with your
device outside of the United States, contact the local distributor. If you do not have
contact information for the local distributor, contact us in the United States and we
will help connect you to the local representative.

2 3
In the Box
1. Tank PRO 4000
2. User Manual
How it WorksGetting Started
Tank PRO 4000
The Goal Zero Tank PRO 4000 must be used with a Yeti PRO 4000. Together,
they increase your energy storage capacity. The Tank PRO 4000 is a chainable
4000Wh Lithium Iron Phosphate Battery that adds an additional 4000-Watt
hours to your home, RV, or off-grid storage system.
Once the Tank is connected to the Yeti and the stabilization period is complete,
the power will be sourced equally across the devices so they operate like a
single unit.
+
REQUIRED
(Sold Separately)
Goal Zero
Yeti PRO 4000
Goal Zero
Solar Panel
(Sold Separately)
Tank PRO 4000
Expansion Battery
AC Wall
Outlet

2 3
In the Box
1. Tank PRO 4000
2. User Manual
How it WorksGetting Started
Tank PRO 4000
The Goal Zero Tank PRO 4000 must be used with a Yeti PRO 4000. Together,
they increase your energy storage capacity. The Tank PRO 4000 is a chainable
4000Wh Lithium Iron Phosphate Battery that adds an additional 4000-Watt
hours to your home, RV, or off-grid storage system.
Once the Tank is connected to the Yeti and the stabilization period is complete,
the power will be sourced equally across the devices so they operate like a
single unit.
+
REQUIRED
(Sold Separately)
Goal Zero
Yeti PRO 4000
Goal Zero
Solar Panel
(Sold Separately)
Tank PRO 4000
Expansion Battery
AC Wall
Outlet

4 5
FRONT
BACK
Get To Know Your Gear
Function
Button
LatchBracket
Power
Switch
Female QS10
Socket
Male QS10
Cable
Set Up Instructions
The Tank PRO 4000 is designed to stack with the Yeti PRO 4000. The Yeti PRO
4000 should always be at the top of the stack.
The Tank PRO 4000 is designed to securely attach to the bottom of the Yeti PRO
4000 with a fixed bracket on one side and a latch on the other.
First Tank PRO 4000
1. Place the Tank PRO 4000 on a flat level surface or Mounting Plate.
2. The side of the Yeti PRO 4000 closest to the fixed bracket on the Tank PRO
4000 will be installed first.
3. Lift the Yeti PRO 4000 with the side facing the fixed bracket tilted slightly
downward.
4. Align the bracket on the Tank PRO 4000 with the slot on the bottom of the
Yeti PRO 4000 and slide into place.
2. Push in
1. Latch onto lip

4 5
FRONT
BACK
Get To Know Your Gear
Function
Button
LatchBracket
Power
Switch
Female QS10
Socket
Male QS10
Cable
Set Up Instructions
The Tank PRO 4000 is designed to stack with the Yeti PRO 4000. The Yeti PRO
4000 should always be at the top of the stack.
The Tank PRO 4000 is designed to securely attach to the bottom of the Yeti PRO
4000 with a fixed bracket on one side and a latch on the other.
First Tank PRO 4000
1. Place the Tank PRO 4000 on a flat level surface or Mounting Plate.
2. The side of the Yeti PRO 4000 closest to the fixed bracket on the Tank PRO
4000 will be installed first.
3. Lift the Yeti PRO 4000 with the side facing the fixed bracket tilted slightly
downward.
4. Align the bracket on the Tank PRO 4000 with the slot on the bottom of the
Yeti PRO 4000 and slide into place.
2. Push in
1. Latch onto lip

6 7
5. Ensure that the feet on the Yeti PRO 4000 are aligned with the feet pockets
in the lid of the Tank PRO 4000.
6. Once aligned, lift and align the latch on the opposite side of the Tank PRO
4000 with the slot in the bottom of the Yeti PRO 4000 and lock into place.
7. Plug the Tank PRO cable into the QS10 port on the Yeti PRO 4000. If
using extension cables, plug the Tank PRO cable into the female end of the
extension cable, then plug the extension cable into the Yeti PRO or Tank PRO
4000.
Subsequent Tank PRO 4000 Setup
1. Turn off the power on all devices.
2. Unplug the Yeti from existing Tanks.
3. Unlatch the brackets that connect your Yeti PRO 4000 to the Tank.
4. Carefully lift the Yeti off of the Tank and set it aside. Two person lift required.
5. Lift your new Tank and align it with the feet pockets on the Tank you are
stacking it on. (Be sure it is facing the same direction as the Tank below it)
6. Follow steps 2-7 in the section above.
Pairing the Tank PRO 4000 with the Yeti PRO 4000
1. Ensure Tank PRO 4000 power switch is OFF.
2. Plug the Tank into the Yeti (See page previous section for instructions on how
to plug in QS10).
3. Switch the Tank power switch to ON.
4. Observe the Tank icon on the Yeti display.
a. The Tank icon on the Yeti will appear when the Yeti detects a Tank.
5. Observe the Status light blinking on the Tank PRO. This indicates the Tank is
equalizing with the Yeti.
a. If blinking, the Status light indicates the batteries are equalizing.
b. When the Status light stops blinking and remains on, this indicates
that the Tank and Yeti power stack is ready for use and will function as
one unit.
NOTE: It may take up to 12 hours for Tanks to equalize with the Yeti
depending on how many units you have connected.
6. If adding additional Tank PRO 4000 units to your power stack, ensure the
power button is turned off. Then plug the additional Tank into the previously
connected Tank. Once connected, you can turn the power on.
Male QS10
Chaining Cable Expansion Port
(QS10) Battery
Connector
FRONT
BACK

6 7
5. Ensure that the feet on the Yeti PRO 4000 are aligned with the feet pockets
in the lid of the Tank PRO 4000.
6. Once aligned, lift and align the latch on the opposite side of the Tank PRO
4000 with the slot in the bottom of the Yeti PRO 4000 and lock into place.
7. Plug the Tank PRO cable into the QS10 port on the Yeti PRO 4000. If
using extension cables, plug the Tank PRO cable into the female end of the
extension cable, then plug the extension cable into the Yeti PRO or Tank PRO
4000.
Subsequent Tank PRO 4000 Setup
1. Turn off the power on all devices.
2. Unplug the Yeti from existing Tanks.
3. Unlatch the brackets that connect your Yeti PRO 4000 to the Tank.
4. Carefully lift the Yeti off of the Tank and set it aside. Two person lift required.
5. Lift your new Tank and align it with the feet pockets on the Tank you are
stacking it on. (Be sure it is facing the same direction as the Tank below it)
6. Follow steps 2-7 in the section above.
Pairing the Tank PRO 4000 with the Yeti PRO 4000
1. Ensure Tank PRO 4000 power switch is OFF.
2. Plug the Tank into the Yeti (See page previous section for instructions on how
to plug in QS10).
3. Switch the Tank power switch to ON.
4. Observe the Tank icon on the Yeti display.
a. The Tank icon on the Yeti will appear when the Yeti detects a Tank.
5. Observe the Status light blinking on the Tank PRO. This indicates the Tank is
equalizing with the Yeti.
a. If blinking, the Status light indicates the batteries are equalizing.
b. When the Status light stops blinking and remains on, this indicates
that the Tank and Yeti power stack is ready for use and will function as
one unit.
NOTE: It may take up to 12 hours for Tanks to equalize with the Yeti
depending on how many units you have connected.
6. If adding additional Tank PRO 4000 units to your power stack, ensure the
power button is turned off. Then plug the additional Tank into the previously
connected Tank. Once connected, you can turn the power on.
Male QS10
Chaining Cable Expansion Port
(QS10) Battery
Connector
FRONT
BACK

8 9
Using Your Product
Power On/Off
Press the power button on the Yeti PRO 4000. Move the power switch on the Tank
PRO 4000 into the ON position. The LED Battery lights on the front face of the
device will be illuminated when powered.
Charging the Tank PRO 4000
The Tank PRO 4000 will charge when it is hooked up to the Yeti PRO 4000, either
through electrical grid power or solar, depending on what you’re using to charge the
Yeti PRO 4000.
When you connect one or more Tank PRO 4000 expansion batteries to a Yeti PRO,
the Tanks and Yeti will first equalize. While the units are equalizing, the Yeti display
will show charge state of the unit with the highest charge. Once equalization has
finished, the units will all function as one battery and the charge state shown on the
display will reflect the charge of the entire power stack.
Store your Tank PRO 4000 in a climate-controlled, dry location. Be sure to turn the
power switch off before storing. If you can’t keep your expansion battery plugged
into a power source during storage, charge the unit once every 12-18 months.
Failure to maintain your Tank PRO 4000 by following these steps can result in
battery damage which will void the product warranty.
Storage and Maintenance
* For warranty terms, conditions, and registration go to www.goalzero.com/warranty
To request a physical copy of the warranty call 1-888-794-6250.
Battery:
Cell Chemistry LiFePO4(Lithium Iron Phosphate)
Pack Capacity 3993.6Wh (51.2V 78Ah)
Lifecycles 4000 (0.5C discharge, climate controlled,
80% original capacity.)
Shelf-life Charge every 12-18 months (in “main power off” state)
General:
Chainable Yes (Up to four units)
Simultaneous charge and discharge Yes
SKU 23110
Weight 80.25 lbs (36.4 kg)
Dimensions 21.4 x 13.8 x 9.2 in (54.36 x 35.05 x 23.3 cm)
Operating Usage Temp. Charge: 32° to 125.6°F (0° to 52°C)
Discharge: -4° to 140°F (-20° to 60°C)
Certs UL1642
WARNING: Cancer, Reproductive
Harm - www.P65Warnings.ca.gov.
Limited Warranty 5 years*
Technical Specifications

8 9
Using Your Product
Power On/Off
Press the power button on the Yeti PRO 4000. Move the power switch on the Tank
PRO 4000 into the ON position. The LED Battery lights on the front face of the
device will be illuminated when powered.
Charging the Tank PRO 4000
The Tank PRO 4000 will charge when it is hooked up to the Yeti PRO 4000, either
through electrical grid power or solar, depending on what you’re using to charge the
Yeti PRO 4000.
When you connect one or more Tank PRO 4000 expansion batteries to a Yeti PRO,
the Tanks and Yeti will first equalize. While the units are equalizing, the Yeti display
will show charge state of the unit with the highest charge. Once equalization has
finished, the units will all function as one battery and the charge state shown on the
display will reflect the charge of the entire power stack.
Store your Tank PRO 4000 in a climate-controlled, dry location. Be sure to turn the
power switch off before storing. If you can’t keep your expansion battery plugged
into a power source during storage, charge the unit once every 12-18 months.
Failure to maintain your Tank PRO 4000 by following these steps can result in
battery damage which will void the product warranty.
Storage and Maintenance
* For warranty terms, conditions, and registration go to www.goalzero.com/warranty
To request a physical copy of the warranty call 1-888-794-6250.
Battery:
Cell Chemistry LiFePO4(Lithium Iron Phosphate)
Pack Capacity 3993.6Wh (51.2V 78Ah)
Lifecycles 4000 (0.5C discharge, climate controlled,
80% original capacity.)
Shelf-life Charge every 12-18 months (in “main power off” state)
General:
Chainable Yes (Up to four units)
Simultaneous charge and discharge Yes
SKU 23110
Weight 80.25 lbs (36.4 kg)
Dimensions 21.4 x 13.8 x 9.2 in (54.36 x 35.05 x 23.3 cm)
Operating Usage Temp. Charge: 32° to 125.6°F (0° to 52°C)
Discharge: -4° to 140°F (-20° to 60°C)
Certs UL1642
WARNING: Cancer, Reproductive
Harm - www.P65Warnings.ca.gov.
Limited Warranty 5 years*
Technical Specifications

10 11
Troubleshooting
Frequently Asked Questions
If the ERROR LED light is blinking, refer to your Yeti power station and/or the
Goal Zero App for details.
Potential causes of blinking LED light ERROR:
• Failure to pair with the Yeti PRO 4000 power station
• Over temperature: The Tank PRO 4000 is too hot to operate
• Under temperature: The Tank PRO 4000 is too cold to operate
• Humidity sensor: It may be too humid to operate the Tank PRO 4000 safely
Function Button
The Function Button on the back of your Tank PRO 4000 is used for
troubleshooting if connectivity issues arise. Please contact the Goal Zero
Solutions Center for assistance. (1-888-794-6250)
How long will a Tank battery last?
The Tank PRO 4000 is built to last for 4000+ cycles.*
*0.5C discharge, climate controlled, 80% original capacity.
How long does it take to fully charge a Tank battery?
Charging time depends on several factors, including the system size and type of
power input.
Can I replace the Tank PRO 4000 Lithium Iron Phosphate battery?
No
CHARGING TIMES
FOR TANK PRO CONNECTED TO A YETI PRO
FASTEST CHARGE TIME, LOW POWER PV SOLAR HOURS
FASTEST CHARGE TIME, HIGH POWER PV SOLAR HOURS AT KW
OF INPUT
FASTEST CHARGE TIME, AC INPUT FAST CHARGE HOURS

120
REV E
GOAL ZERO HEADQUARTERS
Draper, UT 84020
1-888-794-6250
Designed in the U.S.A.
Made in China
Goal Zero Yeti is a trademark of Goal Zero.
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
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