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Mars 4 Ultra
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- 7-inch 9K Mono LCD
- 8520 × 4320 Resolution
- 150 mm/h Max Speed
- 4-Point Effortless Leveling
- High-Speed Wi-Fi Transfer
- 153.36 × 77.76 × 165 mm Build volume
Product information
Where We Ship
Orders placed on ELEGOO US (us.elegoo.com) can be shipped to the United States.
|
Shipping Route |
Product Type |
Estimated Delivery Time |
|
Domestic (US to US) |
In-Stock |
3-7 business days |
|
Pre-Owned |
4-10 business days |
|
|
Pre-Order |
Pre-orders will ship by the estimated date listed on the product page, with delivery within 3-7 business days after dispatch. |
1. Once the package has been dispatched, please promptly monitor its status. If you encounter any of the following situations, please contact us immediately to prevent exceeding the logistics channel's tracing period: the package status remains unchanged for over 7 days, or if the package has been signed for but not received by you.
2. Upon receiving the goods, please ensure that the order is complete and undamaged. For any logistics inquiries, feel free to reach out to us without delay.
Contact Information:
A. If you have opted for Worry-Free Delivery, you will receive an email from Seel. In case of lost, stolen, or damaged products due to logistics issues, please report these concerns via the Seel email or seek assistance by contacting them.
B. If you have not chosen Worry-Free Delivery, you can contact us at info@elegoo.com. We will coordinate with the logistics company to verify the situation and assist you in filing a claim if necessary.
Shipping Restrictions
- Your order can be delivered to any of the 48 contiguous U.S. states or Washington, D.C. However, we currently do not ship to Alaska, Hawaii, U.S. territories (American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands), or Freely Associated States (Federated States of Micronesia, Marshall Islands, and Palau).
- Please note that we are unable to ship to P.O. Boxes and APO/FPO addresses.
- You may only ship to one address per order. If your order contains items that require shipping to multiple locations, you’ll need to place separate orders for each address.
Shipping Fees
|
Category |
Condition |
Shipping Fee |
|
Standard Shipping |
Orders of $50 or more |
Free |
|
Orders under $50 |
$15 flat rate |
|
|
Exceptions |
Saturn 4 Series (Saturn 4, Saturn 4 Ultra, Saturn 4 Ultra 16K) |
$20 per unit |
|
Centauri Series (Centauri, Centauri Carbon) |
$30 per unit |
Ownership, Terms, and Risk
1. Please ensure your shipping address is accurate. Once the package is dispatched, we cannot reroute it. You are solely responsible for verifying the address. If a loss occurs due to an incorrect address or a fraudulent transaction, you will be liable for all financial losses.
Note: Please do not enter any PO Box address, otherwise your package can't be dispatched by any courier services.
2. Orders (excluding Pre-Orders) are typically forwarded to the warehouse 8 hours after placement. Once submitted to the warehouse, orders are generally non-cancellable and non-modifiable. If modifications are required, we will attempt to coordinate with the warehouse; however, success cannot be guaranteed. Costs incurred due to address errors or cancellations are subject to our Return & Refund Policy, and you will be responsible for payment.
3. Please ensure all order details are accurate and your phone is accessible. If a product is returned due to the following reasons, we reserve the right to charge return shipping fees and redelivery costs prior to resending the item:
A. Failure to contact the delivery carrier within 5 days of a delivery attempt.
B. Incorrect shipping address provided.
FAQ
Q: If I order multiple products, will they be delivered together?
A: We aim to ship items together whenever possible. However, depending on product availability or shipping requirements, items may arrive separately. You will receive a notification email for each shipment.
Refund & Warranty
Thank you for your purchase. We hope you are satisfied with your product. However, if you are not completely satisfied with your purchase for any reason, ELEGOO provides a straightforward warranty that is processed in the most hassle-free way possible. Please refer to the warranty policy below, as warranty periods and conditions vary depending on the model and parts list.
Warranty Periods
| Category | Models | Parts List | Note | Warranty Period |
| All | / | / | Consumable parts with no warranty or limited warranty. | 12 Months |
| 3D Printing Machine & Parts | Neptune 3/3 Pro/3 Plus/3 Max Neptune 4/4 Pro/4 Plus/4 Max OrangeStorm Giga Centauri Carbon/Centauri |
PEI Platform Plate/PEI Platform Kit/PEI Magnetic Platform Kit/Build Plate/Nozzle (Kit)/PTFE Tube/Tools | Consumable parts with no warranty. | No Warranty |
| Extruder/Extruder Kit/Printhead Kit | Consumable parts with limited warranty. | 6 Months | ||
| Mars/Mars 2/2 Pro/3/3 Pro/4/4 MAX/4 DLP/4 Ultra/5/5 Ultra Saturn S/2/8K/3/3 Ultra/4/4 Ultra/4 Ultra 16K Jupiter/Jupiter SE |
Release Film, Tools | Consumable parts with no warranty. | No Warranty | |
| LCD Screen | Consumable parts with limited warranty. Resin leakage, scratch-resistant film damage, human-caused damage, and collision damage are not covered by the warranty. | 3 Months | ||
| Resin Tank/Build Plate | Consumable parts with limited warranty. | 6 Months | ||
| Mercury Mercury Plus V1.0/V2.0/V3.0 Mercury X/XS Bundle |
Washing Bucket, Curing Turntable, Acrylic Cover | Consumable parts with no warranty. | No Warranty | |
| Phecda Laser Engraver & Cutter - 10 W/20 W |
Consumables and Other Attached |
Window Mirror, Power Cord, USB Cable, Engraving Materials, User Manual, Packaging, Tools | Consumable parts with no warranty. | No Warranty |
| Other Parts① | Synchronous Belt, Motor Cable, Laser Cable | Consumable parts with limited warranty. | 3 Months | |
| Other Parts② | Fans | Consumable parts with limited warranty. | 6 Months |
1. Consumable Parts
Consumable parts are either excluded from warranty coverage or covered under a limited warranty period. For the purpose of this policy, "consumables" are defined as disposable items, components, or parts of the Product that are inherently designed to deteriorate or wear out during normal use of the Product.
While these items may not be covered by the standard warranty or may have a limited warranty period as specified in the table above, we will gladly replace any consumable that fails due to a manufacturing defect, provided the printer itself is still under warranty. ELEGOO reserves the exclusive right to determine eligibility for replacement, and such decisions shall be final.
2. Accessories or Parts Purchased Separately
Accessories or parts purchased separately enjoy the same quality assurance policy as the complete machine.
3. Warranty Periods
All periods stated on this page are calculated from the date the original order was received.
4. Warranty Forfeiture
This warranty does not cover the following cases:
A. Products not purchased from ELEGOO or authorized ELEGOO distributors with a valid receipt or invoice.
B. Products that are lost or stolen.
C. Products whose warranty period has expired.
D. Free products or products that have been refunded.
E. Products repaired by a third party or modified by an individual.
F. Damage caused by external factors or misuse of products (including but not limited to resin leakage, falls, improper operation), normal discoloration, wear and tear, or other non-quality-related issues.
G. LCD screens that can not provide an identifiable SN code.
5. Warranty in Other Regions
For consumers protected by local consumer laws in their country of purchase, ELEGOO's Limited Warranty benefits are provided in addition to all rights and remedies under such laws, including but not limited to those described above. If local regulations specify a warranty period longer than our stated policy, the longer period will apply, and we will fully comply with local requirements to support our customers.
Return & Refund Policy
| Non-Quality-Related Issues | |||||
| Product Status | Items | Responsibility for Both Original Shipping Charges and Return Shipping Charges | Restocking Fee | Deduction Fee | |
| Refund | |||||
| Within 14 Days | Unopened | √ | Customer | 5% based on the order amount | If key parts are found missing on the returned machine, the corresponding fees will be deducted. |
| Open-box and unused | √ | Customer | 15% based on the order amount | ||
| Used | × | × | × | ||
| Within Warranty | All Status | × | × | × | × |
| Quality-Related Issues | |||||
| Items | Responsibility for Fees | ||||
| Refund | Replace | Repair | Return Shipping Charges | Repair Fees | |
| Within 14 Days | √ | √ | √ | Elegoo | Elegoo |
| Within Warranty | × | × | √ | × | Elegoo |
| Out of Warranty | × | × | √ | × | Customer |
We are committed to ensuring your satisfaction with every purchase. If you are not satisfied with a product, you ma y return it under the following conditions:
● Within 14 calendar days of receipt, if the product has a critical defect, manufacturing flaw, or any other significant functional issues.
● Within 14 calendar days of receipt, if the product was significantly damaged during transit, provided you submit a carrier-issued damage report to Elegoo.
● Within 14 calendar days of receipt, if the product is unopened, unactivated, and in brand-new condition.
● You may cancel your order for a full refund at any time before it ships. If the order has already shipped and a carrier interception attempt is unsuccessful, you must wait until the package (if refused) is returned and inspected. Once confirmed, we will process your cancellation. In this case, you are responsible for all related shipping costs and any risks associated with the return shipment.
If you return a product due to a reported issue, it will be inspected before a refund is processed. If, after testing, the returned product is found not to exhibit the reported issue, Elegoo may deduct costs such as shipping and any customer-caused damage, including:
● Cosmetic damage to the product or its packaging (e.g., making the original shipping box unusable);
● Missing accessories or parts;
● Damage resulting from improper packaging during return shipment.
Upon receipt of the returned item, our after-sales team will assess its condition and determine any applicable charges. These charges will be deducted from your refund.
● Returned items must be sent back to designated locations before a refund can be processed.
● The value of any missing items—such as accessories, cables, or filaments—will be deducted from the refund amount.
● If you request to return a non-defective item within 14 calendar days of receipt, you are responsible for all applicable charges.
Please note that returns will not be accepted under the following circumstances:
● Unauthorized Returns: Returns must be approved by our official customer service team. Unauthorized returns may be refused or lost, for which we are not responsible. Always contact customer service before sending anything back to ensure proper processing.
● Late Return Requests: Return requests made more than 14 calendar days after receipt will not be accepted.
● Incomplete or Damaged Returns: Products must be returned in their original condition — with all accessories, parts, gifts, tools, and packaging included. We cannot accept incomplete items, those showing damage (e.g., scratches, cracks, or deformation), or those with missing/damaged components. Returns will also be refused if the product is damaged due to improper repackaging or shipping. Note that failure to follow our packaging instructions may void the warranty and result in additional charges.
● User-Caused Damage: Returns will not be accepted if inspection shows the issue was caused by user error (e.g., physical impact, burnout, unauthorized modifications, liquid damage, incorrect installation, or improper use).
● Tampered Labels: Products with removed or altered labels, serial numbers, or anti-counterfeiting marks cannot be returned.
● Force Majeure: Products damaged by force majeure events, such as fire, flood, lightning, or traffic accidents, are not eligible for return.
● No Fault Found: If Elegoo's testing finds no fault with the product, the return will not be accepted.
● Missing Documentation: Returns without a valid purchase receipt or invoice, or with documents suspected to be forged or altered, will be refused.
● Non-Refundable Items: For products confirmed as non-refundable, customers may choose to have the defective product returned to them at their own shipping expense.
● Delayed Shipping: If the return shipment is not dispatched within 7 calendar days after approval, the return may be refused.
Additional Notes
● Once a qualified return is received, Elegoo will process the refund within 5 business days. The refund will be credited to the original payment account. For certain payment methods, if a refund cannot be processed to the original account after 6 months, our customer service team will contact you via email to confirm an alternative refund method.
● These terms do not apply to pre-owned or refurbished products.
● Failure to submit a request within the specified periods constitutes a waiver of your right to return or exchange the product.
● Claims for missing products must be submitted within 30 calendar days from the shipping date. Claims after this period will not be processed.
● Elegoo does not provide support outside the original region/country of purchase. If customers seek service in another country or region, they will be responsible for all related costs.
● If your product is damaged, please do not attempt repairs without our guidance to avoid potential risks. Only perform repairs as instructed by our customer support team.
7-Inch 9K Mono LCD
7-Inch 9K Mono LCD
Wi-Fi
Connection
Wi-Fi
Connection
HD Touch Screen
HD Touch Screen
Upgraded Air Purifier
Upgraded Air Purifier
Powerful Linux OS
Powerful Linux OS
Effortless Leveling
Effortless Leveling
7-Inch 9K Mono LCD
7-Inch 9K Mono LCD
Wi-Fi
Connection
Wi-Fi
Connection
HD Touch Screen
HD Touch Screen
Upgraded Air Purifier
Upgraded Air Purifier
Powerful Linux OS
Powerful Linux OS
Effortless Leveling
Effortless Leveling
9K Accuracy with Stunning Detail
Experience ultra-precise 3D printing with Elegoo Mars 4 Ultra. It features a 7-inch 9K mono LCD with a resolution of 8520 × 4320 and 18 μm XY resolution, enabling you to print models with exceptional details and sharp edges.
up to 150mm/h Printing Speed
Print 3x faster without losing detail. Mars 4 Ultra achieves speeds up to 150 mm/h, delivering high-speed precision for flawless, intricate prints every time.
High-Speed Wi-Fi Transfer
The brand new Linux OS with built-in 4 GB ROM supports Wi-Fi transfer, with a transmission speed of 6–10 Mbps. Plus, it is compatible with both 2.4G and 5G networks, making file transfer a breeze from your computer or mobile device.
The detachable Wifi antenna is conveniently placed on the side of the printer's Z-axis, making it easy to connect to your network.
COB Light Source + Fresnel Collimating Lens
With 92% light uniformity and precise beam control under 5°, the 405 nm COB light source and Fresnel lens work in perfect harmony to deliver flawless layers for smooth, consistent prints.
Stable Printing Performance
The Z-axis adopts a linear guide rail structure with an accuracy of 0.02 mm, ensuring precise and stable movement to help eliminate riffles on final prints and produce smooth and delicate surfaces on your models.
The 4-point leveling system with four clockwise-tightening screws is design to eliminate the need for repeated leveling after one-time leveling, saving you time and effort.
The build plate has a laser-engraved
surface to enhance adhesion during the printing process, even when printing large models.
Improved Printing Experience
There is a large cooling fan and heat-conducting copper tubes positioned next to the COB light source for rapid heat dissipation. This feature not only enhances the printer's performance but also extends its service life.
The upgraded air purifier has a protective plastic case to safeguard the built-in activated carbon filter during transportation and effectively remove resin odor during printing.
The printer comes with Voxeldance Tango Slicer, which offers both static mode and dynamic mode (including smooth and high-speed mode) to improve your printing efficiency. The open-sourced GOO slice file format is compatible with third-party slicing software, such as CHITUBOX and Lychee Slicer.
The printer's mid-plate is designed with a raised step to keep the resin from flowing inside the printer, which protects the printer's internal components from damage and ensures a clean workspace.
The build platform screws have screw end caps for easier cleaning, which saves your time and effort during post-processing and maintenance.
The adjustable foot pads for improved stability ensure that the printer remains stable on uneven surfaces.
What's In Box
Mars 4 Ultra 3D Printer
Wifi Antenna
USB Air Purifer
Buy Accessory
Build Platform
Buy Accessory
Resin Tank
Buy Accessory
U Disk
Mask
Gloves
Funnel
Backup Screws
User Manual
Adapter
Tool Kit
Scraper
Specification
BUILD VOLUME
153.36 × 77.76 × 165 mm
PRINTING SPEED
MAX 150 mm/h
LAYER THICKNESS
0.01-0.2 mm
XY RESOLUTION
18 μm (8520 × 4320)
Z-AXIS ACCURACY
0.02 mm
PRINTING TECHNOLOGY
MSLA
LIGHT SOURCE
COB light source + Fresnel collimating lens
LCD SCREEN SIZE
7-inch 9K Mono LCD
LCD SCREEN PROTECTOR
9H hardness tempered glass
CONNECTION METHOD
Wi-Fi, USB
SYSTEM
EL3D-4.0
SLICING SOFTWARE
Chitubox & Voxeldance Tango & Autodesk Fusion
OPERATING SCREEN
4.0-inch Capacitive Touch Screen
LANGUAGE
Chinese, English, Japanese, Dutch, Korean,
French, German, Russian, Italian, Spanish,
Turkish, Portuguese
AIR PURIFIER
Plug-in
OTHER FUNCTIONS
N.A.
RESIN
Supports most resins on the market (water-washable, standard, ABS-like, plant-based, etc.)
POWER REQUIREMENTS
100-240V 50/60 Hz 24V 3A
HEAT DISSIPATION METHOD
3 copper heat pipes + single fan
DIMENSIONS
227 × 227 × 443.5 mm
NET WEIGHT
6.5 kg
GROSS WEIGHT
8.3 kg
FAQs
How long does delivery take after shipping?
1. In-stock Product: 3-7 business days for delivery
2. Pre-owned Product: 4-8 business days for delivery
3. Pre-order Product: We will ship the product according to the estimated delivery time on the page, after shipment, it takes 3-7 business days for delivery.
What countries do you ship to?
Click to view available countries
Do you offer free shipping service?
Click to view Shipping Fees
Can I change the delivery address of my package after it has been shipped out?
Unfortunately, we cannot change the shipment once the product is shipped.

