UPC Code | 840876105009 |
Carton Dimensions | 19.7x15x16.5 |
Carton Weight | 47.6 |
Product Dimensions | 16x10.6x11.2 |
Product Weight | 42.7 |
Firman Zero E Portable Expandable Power Station
- Authorized Dealer – We’re officially authorized to sell every brand on our site. That means genuine products and full manufacturer warranties—no exceptions.
- Free Shipping – Get fast and free shipping on every order, anywhere in the continental U.S.
- Top-Rated Customer Support – Need help? Our friendly, U.S.-based team is here to support you before and after your purchase.
Guaranteed Secure Checkout

Introducing the ZERO-E lithium iron phosphate portable power station!
Experience the apex of energy technology with our revolutionary lithium iron phosphate portable power station, featuring expandable slide locking technology to effortlessly expand up to 10 portable power packs, ensuring no circumstance is ever too daunting.
Quiet, clean, and powerful - embrace the ease of clean energy with our first-ever portable power station!
Dependable power meets eco-friendliness! Our ZERO-E power station delivers performance, quality, and reliability standards, boasting zero emissions, zero maintenance, and virtually zero sound for an unrivaled experience.
Unmatched charging speed - charge up to 80% of the battery in just 1 hour! Never be caught off guard with our built-in EPS, eliminating unexpected blackouts.
Extend your power supply with ease - double your power supply with parallel support for ultimate versatility!
User-friendly control panel - take full control with an intuitive and easy-to-use control panel.
Impressive capacity - power your life with a remarkable 1040WH capacity!
Unleash immense power - experience continuous power of 2000W, with a peak power of 4000W for demanding needs.
Embrace the next era of power - secure your ZERO-E lithium iron phosphate portable power station today! Experience power and sustainability like never before!
Features
In FIRMAN, we are always striving for the best in portable powerhouses. We take pride in our generators' impeccable performance and design.
The ZERO-E is packed with features that prepare you for almost any situation you find yourself in, indoors.
We are proud to have designed a portable power station that is not only highly reliable, ultra-quiet, and incredibly safe, but is also great for the planet we live in.
- Charge Up To 80% of the Battery In Just 1 Hour
- Double Your Power Supply With Parallel Support
- With An Easy-To-Use Control Panel
- No More Unexpected Blackouts With Built-In EPS
- More Than 4000 Charge Cycles to 80%+ Capacity
- Flexible Design To Allow Scaling Up To 10 Expansion Packs
Specifications
Certifications
cETLus (UL2743) | Yes |
UN38.3 | Yes |
FCC SDOC | Yes |
FCC ID | Yes |
IC ID | No |
DOE | Yes |
CEC | Yes |
SDS | Yes |
ROHS | Yes |
Main Unit
Rated Capacity | 1040Wh |
Cycle Life | >4000 complete cycles to 80% capacity |
Storage Temperature | -20 ~ 40 °C (-4 ~104 °F) |
Discharging Temperature | -20 ~ 40 °C (-4 ~104 °F) |
Charging Temperature | 0 ~ 40 °C (32 ~104 °F) |
Scalability | Up to 11.4kWh |
Shelf Life | 12 Month |
Input
AC Charging Watts | 1800W |
MPPT Watts | 400W |
Car Charging Watts | 240W |
USB-C PD Watts | 100W |
Output
AC Rated Output Watts | 2000W |
AC Peak Watts | 4000W |
DC 12V Output Watts | 120W |
USB-A 5V 3.1A Watts | 15.5W*4 |
USB-C PD Watts | 100W*2 |
Wireless Charger Watts | 10W |
Control Panel
Multifunction LCD Display | Yes |
Main Power Switch | Yes |
USB Output Switch | Yes |
DC Output Switch | Yes |
AC Output Switch | Yes |
USB Indicator | Yes |
Wireless Indicator | Yes |
DC Indicator | Yes |
AC Indicator | Yes |
USB-A 5V 3.1A | 4 |
USB-C PD Out 100W | 1 |
USB-C PD In&Out 100W | 1 |
Wireless Charger (9V 1.1A) | 1 |
5-15P AC Input (120V 15A) | 1 |
EC5 DC Input (11-70V Max10A) | 1 |
Parallel Port 120V 20A | Yes |
TT-30R AC Output (120V 30A) | 1 |
5-20R AC Output (120V 20A) | 4 |
DC5521 Output (12V 10A) | 1 |
Cigarette Lighter 12V Output | Yes |
Input 15A Circuit Breaker | Yes |
Output 20A Circuit Breaker | Yes |
Output 30A Circuit Breaker | Yes |
Expansion Pack Male Connector | Yes |
Input Cover | Yes |
Output Cover | Yes |
Frame
Handle | Yes |
Color | Black |
Wireless Panel Material | Rubber |
Battery Pack&BMS
Battery Cell Spec | LI-FUN 25Ah 3.2V |
Battery Type | LFP |
Pack Configuration | 13S1P |
Cooling | NA |
Rated Charging Current | 35A |
Rated Discharging Current | 65A |
Overcurrent Protection | Yes |
Temperature Protection | Yes |
Short Circuit Protection | Yes |
Balance Management | Yes |
Inverter
Bidirectional Inverter | Yes |
EPS (≤20ms) | Yes |
Parallel | Yes |
Constance Power Output | Yes |
Input Voltage Protection | Yes |
Input Frequency Protection | Yes |
Input Over Current Protection | Yes |
Output Over Current Protection | Yes |
Output Short Circuit Protection | Yes |
Temperature Protection | Yes |
Fan Cooling | Yes |
Packaging
Document Library
Operators Manual (Spanish)FREE & FAST SHIPPING SAVE Hundreds Today with Free Shipping on All Orders. We Ship to ALL 48 Lower States (We do not ship to Puerto Rico, Hawaii, Alaska)
Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, We immediately begin processing, the order request is sent to our warehouse and is prepared for pickup, it then usually takes around 3-7 business days to be picked up for transit.
Transit Time - Transit Time can vary depending on the distance between your location and the warehouse but you can expect the item to arrive between 3-8 business days after pickup.
Our Shipping Partners: FedEx, UPS, Freight Club (among others)
We partner with the most reliable freight companies in the USA to ensure your order arrives safe and in a timely manner.
Your Item will ship from warehouses all across the United States to ensure fast and efficient delivery times for our customers.
If there are any delays regarding your product shipment, we will let you know in advance.
Order Confirmation:
As soon as you place your order, you will receive an order confirmation e-mail. (please allow a few hours for this to come through in some cases) This means that we have received your order in our system and pre-authorized your credit card for the purchase.
As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.
If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.
Order Shipment:
If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at [email protected]
No Shipping outside the USA. (Some exceptions apply - if the website permits you to check out and enter your shipping address, you will receive your order. Some products in particular are available in Canada).
Shipping Options
Our base "Curb-side" Pickup shipping is always completely free! This option usually takes between 5-15 days to arrive at your doorstep, after you have submitted your order.
Threshold Shipping: This involves the item being brought onto your porch, or into a sheltered/garage area.
Double-Check Your Address
To ensure that your package is properly delivered and that you receive your package within the time frames we advertise, please
make sure that your address is correctly entered and includes all relevant and/or required information. The use of correct
abbreviations, street numbers, building or apartment numbers, and route information (if applicable) is critical for ensuring
timely delivery. We do not take responsibility for lost, misplaced, or incorrectly delivered shipments if the address information
provided is incorrect or incorrectly entered at the time of purchase.
Damages
Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should make note of it when signing for delivery. If your item(s) do arrived damaged please send photos of damage, box and SKU, along with a brief description of the damage to sales@buildthepower.com and we will process an insurance claim on your behalf. Photos and videos must be sent for freight damage within 24 hours of arrival or the freight damage claim will not be valid. Any punctures, or visible signs of exterior damage must be reported within 24 hours.
Return Information
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
Should you decide to cancel your order prior to its shipment, a 3% deduction will be applied to cover platform fee expenses from the total paid amount.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Items that are not in this condition will not be accepted.
To start a return, you can contact us at sales@buildthepower.com If your return is accepted, we'll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Returns for reasons other than damaged items will require a 15-25% re-stocking fee, this depends on the size and freight cost of the item to ship back, we sell large items and shipping can be costly.
Returns/Cancellations after the item has shipped will also incur a 15-25% fee charged to you, as freight costs can be high for our products.
If your return is outside of the 30 day return period, your item will not be accepted.
You can always contact us for any return questions at sales@buildthepower.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.
Items that are damaged must be communicated to us within 24 hours of receiving the item.
Please note that if items have been taken out of the packaging and/or installed, returns may be voided depending on the manufacturer.
Some of our manufacturers do not accept returns for specific items, this must be considered when purchasing.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
You can contact us using the methods below.
US Customer Support Number: +1 507 636 3614
Email: sales@buildthepower.com
Description
Introducing the ZERO-E lithium iron phosphate portable power station!
Experience the apex of energy technology with our revolutionary lithium iron phosphate portable power station, featuring expandable slide locking technology to effortlessly expand up to 10 portable power packs, ensuring no circumstance is ever too daunting.
Quiet, clean, and powerful - embrace the ease of clean energy with our first-ever portable power station!
Dependable power meets eco-friendliness! Our ZERO-E power station delivers performance, quality, and reliability standards, boasting zero emissions, zero maintenance, and virtually zero sound for an unrivaled experience.
Unmatched charging speed - charge up to 80% of the battery in just 1 hour! Never be caught off guard with our built-in EPS, eliminating unexpected blackouts.
Extend your power supply with ease - double your power supply with parallel support for ultimate versatility!
User-friendly control panel - take full control with an intuitive and easy-to-use control panel.
Impressive capacity - power your life with a remarkable 1040WH capacity!
Unleash immense power - experience continuous power of 2000W, with a peak power of 4000W for demanding needs.
Embrace the next era of power - secure your ZERO-E lithium iron phosphate portable power station today! Experience power and sustainability like never before!
Features
In FIRMAN, we are always striving for the best in portable powerhouses. We take pride in our generators' impeccable performance and design.
The ZERO-E is packed with features that prepare you for almost any situation you find yourself in, indoors.
We are proud to have designed a portable power station that is not only highly reliable, ultra-quiet, and incredibly safe, but is also great for the planet we live in.
- Charge Up To 80% of the Battery In Just 1 Hour
- Double Your Power Supply With Parallel Support
- With An Easy-To-Use Control Panel
- No More Unexpected Blackouts With Built-In EPS
- More Than 4000 Charge Cycles to 80%+ Capacity
- Flexible Design To Allow Scaling Up To 10 Expansion Packs
Specifications
Certifications
cETLus (UL2743) | Yes |
UN38.3 | Yes |
FCC SDOC | Yes |
FCC ID | Yes |
IC ID | No |
DOE | Yes |
CEC | Yes |
SDS | Yes |
ROHS | Yes |
Main Unit
Rated Capacity | 1040Wh |
Cycle Life | >4000 complete cycles to 80% capacity |
Storage Temperature | -20 ~ 40 °C (-4 ~104 °F) |
Discharging Temperature | -20 ~ 40 °C (-4 ~104 °F) |
Charging Temperature | 0 ~ 40 °C (32 ~104 °F) |
Scalability | Up to 11.4kWh |
Shelf Life | 12 Month |
Input
AC Charging Watts | 1800W |
MPPT Watts | 400W |
Car Charging Watts | 240W |
USB-C PD Watts | 100W |
Output
AC Rated Output Watts | 2000W |
AC Peak Watts | 4000W |
DC 12V Output Watts | 120W |
USB-A 5V 3.1A Watts | 15.5W*4 |
USB-C PD Watts | 100W*2 |
Wireless Charger Watts | 10W |
Control Panel
Multifunction LCD Display | Yes |
Main Power Switch | Yes |
USB Output Switch | Yes |
DC Output Switch | Yes |
AC Output Switch | Yes |
USB Indicator | Yes |
Wireless Indicator | Yes |
DC Indicator | Yes |
AC Indicator | Yes |
USB-A 5V 3.1A | 4 |
USB-C PD Out 100W | 1 |
USB-C PD In&Out 100W | 1 |
Wireless Charger (9V 1.1A) | 1 |
5-15P AC Input (120V 15A) | 1 |
EC5 DC Input (11-70V Max10A) | 1 |
Parallel Port 120V 20A | Yes |
TT-30R AC Output (120V 30A) | 1 |
5-20R AC Output (120V 20A) | 4 |
DC5521 Output (12V 10A) | 1 |
Cigarette Lighter 12V Output | Yes |
Input 15A Circuit Breaker | Yes |
Output 20A Circuit Breaker | Yes |
Output 30A Circuit Breaker | Yes |
Expansion Pack Male Connector | Yes |
Input Cover | Yes |
Output Cover | Yes |
Frame
Handle | Yes |
Color | Black |
Wireless Panel Material | Rubber |
Battery Pack&BMS
Battery Cell Spec | LI-FUN 25Ah 3.2V |
Battery Type | LFP |
Pack Configuration | 13S1P |
Cooling | NA |
Rated Charging Current | 35A |
Rated Discharging Current | 65A |
Overcurrent Protection | Yes |
Temperature Protection | Yes |
Short Circuit Protection | Yes |
Balance Management | Yes |
Inverter
Bidirectional Inverter | Yes |
EPS (≤20ms) | Yes |
Parallel | Yes |
Constance Power Output | Yes |
Input Voltage Protection | Yes |
Input Frequency Protection | Yes |
Input Over Current Protection | Yes |
Output Over Current Protection | Yes |
Output Short Circuit Protection | Yes |
Temperature Protection | Yes |
Fan Cooling | Yes |
Packaging
UPC Code | 840876105009 |
Carton Dimensions | 19.7x15x16.5 |
Carton Weight | 47.6 |
Product Dimensions | 16x10.6x11.2 |
Product Weight | 42.7 |
Document Library
Operators Manual (Spanish)FREE & FAST SHIPPING SAVE Hundreds Today with Free Shipping on All Orders. We Ship to ALL 48 Lower States (We do not ship to Puerto Rico, Hawaii, Alaska)
Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, We immediately begin processing, the order request is sent to our warehouse and is prepared for pickup, it then usually takes around 3-7 business days to be picked up for transit.
Transit Time - Transit Time can vary depending on the distance between your location and the warehouse but you can expect the item to arrive between 3-8 business days after pickup.
Our Shipping Partners: FedEx, UPS, Freight Club (among others)
We partner with the most reliable freight companies in the USA to ensure your order arrives safe and in a timely manner.
Your Item will ship from warehouses all across the United States to ensure fast and efficient delivery times for our customers.
If there are any delays regarding your product shipment, we will let you know in advance.
Order Confirmation:
As soon as you place your order, you will receive an order confirmation e-mail. (please allow a few hours for this to come through in some cases) This means that we have received your order in our system and pre-authorized your credit card for the purchase.
As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.
If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.
Order Shipment:
If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at [email protected]
No Shipping outside the USA. (Some exceptions apply - if the website permits you to check out and enter your shipping address, you will receive your order. Some products in particular are available in Canada).
Shipping Options
Our base "Curb-side" Pickup shipping is always completely free! This option usually takes between 5-15 days to arrive at your doorstep, after you have submitted your order.
Threshold Shipping: This involves the item being brought onto your porch, or into a sheltered/garage area.
Double-Check Your Address
To ensure that your package is properly delivered and that you receive your package within the time frames we advertise, please
make sure that your address is correctly entered and includes all relevant and/or required information. The use of correct
abbreviations, street numbers, building or apartment numbers, and route information (if applicable) is critical for ensuring
timely delivery. We do not take responsibility for lost, misplaced, or incorrectly delivered shipments if the address information
provided is incorrect or incorrectly entered at the time of purchase.
Damages
Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should make note of it when signing for delivery. If your item(s) do arrived damaged please send photos of damage, box and SKU, along with a brief description of the damage to sales@buildthepower.com and we will process an insurance claim on your behalf. Photos and videos must be sent for freight damage within 24 hours of arrival or the freight damage claim will not be valid. Any punctures, or visible signs of exterior damage must be reported within 24 hours.
Return Information
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
Should you decide to cancel your order prior to its shipment, a 3% deduction will be applied to cover platform fee expenses from the total paid amount.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Items that are not in this condition will not be accepted.
To start a return, you can contact us at sales@buildthepower.com If your return is accepted, we'll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Returns for reasons other than damaged items will require a 15-25% re-stocking fee, this depends on the size and freight cost of the item to ship back, we sell large items and shipping can be costly.
Returns/Cancellations after the item has shipped will also incur a 15-25% fee charged to you, as freight costs can be high for our products.
If your return is outside of the 30 day return period, your item will not be accepted.
You can always contact us for any return questions at sales@buildthepower.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.
Items that are damaged must be communicated to us within 24 hours of receiving the item.
Please note that if items have been taken out of the packaging and/or installed, returns may be voided depending on the manufacturer.
Some of our manufacturers do not accept returns for specific items, this must be considered when purchasing.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
You can contact us using the methods below.
US Customer Support Number: +1 507 636 3614
Email: sales@buildthepower.com
what’s included
The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.
With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.
Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.
Specification
The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.
With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.
Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.
Shipping & Delivery
The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.
With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.
Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.
Get Started In 3 Simple Steps
The whole process is easy – no salespeople involved.

Step 1: Choose Your System
Pick your products at direct-to-you prices. Browse complete systems and see exactly what you'll pay.

Step 2: Place Your Order
Quick online checkout with free U.S. shipping. Your order ships within 3-5 business days.

Step 3: Power Up
Professional guidance for setup and connection. Our team helps you get the most from your power station.
The Build The Power Difference
Here’s why you’ll prefer us over other providers.
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What Our Customers Say
Direct experiences from homeowners who took control of their energy costs.
Frequently Asked Questions
How is Build The Power different from other companies?
Unlike traditional companies, we've removed the complex network of salespeople, project managers, and dealer fees. You browse and buy directly through our digital platform, cutting costs by 20-50% while still getting expert support when you need it.
How does your ordering process work?
Browse & Select – Find the product that suits your needs.Add to Cart – Click "Add to Cart" and proceed to checkout. Secure Payment – Complete your purchase using our secure payment options. Order Confirmation – You’ll receive an email confirmation with your order details. Shipping & Delivery – We process and ship your order as quickly as possible. A tracking number will be provided. If you have any questions, feel free to contact us!
Do you offer free shipping?
Yes! We offer free shipping on all orders, with no minimum purchase required. Enjoy hassle-free shopping without worrying about extra shipping costs. Once your order is processed, we’ll provide a tracking number so you can follow your shipment’s progress.
What's your return policy?
We offer a 30-day return policy for your peace of mind. If you're not completely satisfied with your purchase, you can return it within 30 days of delivery for a refund or exchange. The item must be in its original condition and packaging.
To start a return, contact our support team, and we’ll guide you through the process.
Can I get help with installation?
We do not offer installation services, but we’re happy to recommend trusted companies or services that can assist you. If you need help finding an installer, feel free to contact us, and we’ll point you in the right direction!