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Item #:
62377
Seven Star SF500 500W 110v/220v 220v/110v Step Up/Down Automatic Transformer Adapter
85% of respondents would recommend this to a friend
Item #:
62377
MMK 262943
Price Details
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*All items will import from US
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In stock
Imported from USA store
QTY:
Only 7 items left in stock.
Order now and get it around Thursday, October 08
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Converts 110/117/120V AC to 220/230/240V AC OR 220/230/240V AC to 110/117/120V AC
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Dual Voltage Compatibility
This transformer easily switches between 110V and 220V, ensuring compatibility with various devices worldwide, making it ideal for travelers and international appliance usage.
Powerful 500W Output
With a robust 500W capacity, the Seven Star SF500 can handle high-powered devices effectively, providing reliable voltage conversion for multiple appliances without overheating.
Automatic Operation
The automatic function simplifies usage, allowing users to effortlessly switch between step-up and step-down conversions, enhancing convenience and reducing the risk of user error.
Product Details
- 500 watts converter for portable use
- Converts 110/117/120V AC to 220/230/240V AC or 220/230/240V AC to 110/117/120V AC
- Output Voltage LED Indicator, no need to set the input voltage
- Universal Output Socket accepts most plug types worldwide
- Thermal Fuse Protection with Reset Button for safety
- High capacity shockproof socket, universal output receptacles, safety breaker
| Brand Name | Seven Star |
| Model | SF500 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Manufacturer | Seven Star |
| Unit Count | 1 Count |
| Global Trade Identification Number | 07699813300792 |
| Included Components | 500 Watt Step Up / Down Voltage Converter Transformer, Adapter, Warranty |
| Part Number | SF500 |
| Power Source | Corded Electric |
| Mounting Type | Remote Mounting |
| Current Rating | 5 A |
| Maximum Frequency | 60 hertz |
| Minimum Frequency | 50 hertz |
| Item Weight | 16 ounces (453.6 grams) |
| Specification Met | No |
| Brand | Seven Star |
What's in the box
500 Watt Step Up / Down Voltage Converter Transformer
Adapter
Warranty
Who Should Buy?
-
Travel Enthusiasts
Ideal for travelers needing to use electronics in countries with different voltage systems without damaging devices.
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Home Office Users
Perfect for those who work from home and use imported tools or gadgets that require voltage conversion.
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Gadget Collectors
Great for collectors of international electronics, allowing safe usage of devices from various regions.
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High-Power Appliances
Not suitable for heavy-duty appliances exceeding 500W, which can overload and damage the transformer.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the function of the Seven Star SF500 Step Up/Down Transformer?
Answer: The Seven Star SF500 operates as an automatic transformer adapter that steps voltage up or down, which is essential for using appliances in areas with different voltage specifications. For instance, if you have a 110V appliance but are using it in a 220V country, this transformer will convert the voltage appropriately, ensuring your device functions safely and effectively. This is particularly useful for travelers carrying electronics or tools that aren't compatible with the local voltage. -
Question:
Can I use the Seven Star SF500 for high wattage appliances?
Answer: The Seven Star SF500 is rated for up to 500W, making it suitable for many household appliances like hair dryers, kitchen appliances, or small tools. However, it’s important to check the power rating of your device before plugging it in to ensure it does not exceed this limit. For example, if you're planning to use a microwave that consumes around 300W, the SF500 would be appropriate, while larger devices like an air conditioner would require a more powerful transformer. -
Question:
How does the automatic feature of the Seven Star SF500 work?
Answer: The automatic feature of the Seven Star SF500 allows it to detect the input voltage and adjust it accordingly, providing either step-up or step-down functionality without manual switching. This means that if you plug it into a 220V outlet and connect a 110V appliance, it will do all the necessary adjustments. This is particularly beneficial for people who frequently travel or move between different voltage regions, making it a hassle-free choice. -
Question:
Is the Seven Star SF500 safe for sensitive electronics?
Answer: Yes, the Seven Star SF500 is designed with safety features to protect sensitive electronics. It includes overload protection and short circuit protection, critical for devices that could be harmed by voltage fluctuations. For example, if you're using it to power a laptop or camera charger, you can do so with peace of mind knowing the transformer can handle unexpected power surges. -
Question:
What type of plug does the Seven Star SF500 use?
Answer: The Seven Star SF500 is compatible with a variety of plug types which can vary based on the region. It generally features universal outlets, allowing connections to multiple appliance plugs. It's advisable to use appropriate adapters for your devices to ensure a snug fit for optimal performance. This flexibility allows the transformer to be used for many devices from different countries without additional worries. -
Question:
Can the Seven Star SF500 be used continuously?
Answer: While the Seven Star SF500 is designed for regular use, it is best suited for short to moderate usage durations to prevent overheating. It's important to monitor its temperature during long periods of operation. For example, using it for a hair straightener while preparing for an event is likely fine, but it’s wise to give the unit breaks if you are running multiple devices for hours on end. -
Question:
What appliances can I safely use with the Seven Star SF500?
Answer: You can use the Seven Star SF500 with a wide range of appliances including personal care devices like hair dryers and electric shavers, kitchen gadgets such as blenders and mixers, and various small electronics. Be sure to check the power demands of each device to avoid exceeding the 500W limit. For instance, electric kettles and travel irons are also compatible, making it an excellent companion for domestic and travel use. -
Question:
Is the Seven Star SF500 portable?
Answer: Yes, the Seven Star SF500 is compact and lightweight, making it an excellent choice for travel. It easily fits into bags alongside your other electronic devices, ensuring you can adapt to different voltage systems wherever you go. For international travelers or expats, this portability means you can use your equipment anywhere, making it versatile and practical for everyday use. -
Question:
How do I connect my devices to the Seven Star SF500?
Answer: Connecting devices to the Seven Star SF500 is straightforward. Plug the transformer into the wall outlet first, then connect your appliance to the transformer's socket. Ensure the voltage matches the required setting for your device—110V or 220V—before use. This method lets you use your devices safely while adapting to the local voltage, providing a seamless experience whether you're at home or abroad. -
Question:
Where can I buy Seven Star SF500 500W 110v220v 220v110v Step Up/Down Automatic Transformer Adapter?
Answer: You can buy the Seven Star SF500 500W Step Up/Down Automatic Transformer Adapter at Ubuy, which offers a comprehensive selection of electronic items and home appliances. Ubuy provides a reliable platform to check specifications, customer reviews, and efficient service to enhance your shopping experience.
Seven Star Power Converters Editorial Review
Seven Star SF500 500W 110v/220v 220v/110v Step Up/Down Automatic Transformer Adapter is an essential device for anyone needing to use appliances originally designed for differing voltage standards. Users have noted its capability to automatically switch between voltages without manual adjustments, enhancing safety and convenience. One user highlighted its reliability, stating that they've effectively used it for various devices, including kitchen appliances and electronics, for over five years without issues. While some reviewers expressed concerns regarding quality control and suggested ensuring proper wattage ratios, many have successfully operated everything from blenders to keyboards with this transformer, making it a robust choice for international travelers and expatriates.
Customer Reviews & Ratings
815 customers ratings
-
5 Star
64%
-
4 Star
13%
-
3 Star
9%
-
2 Star
3%
-
1 Star
11%
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Pros
- Auto voltage functionality eliminates manual switching
- Suitable for a range of appliances up to 500 watts
- Compact size compared to similar converters
- Reliable performance reported by long-time users
- Easy to use with plug-and-play setup
Cons
- Slightly heavy for frequent travelers
Platform Trust & Buyer Confidence
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11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
MMK 262943
Order now and get it around Thursday, October 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 7 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- 500 watts converter for portable use
- Output Voltage LED Indicator
- Universal Output Socket
- Thermal Fuse Protection with Reset Button
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