ROCKSTONE POWER

ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty]

Name: ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection
Brand: ROCKSTONE POWER
SKU: B00CLY1WPU
Price: 56.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$56.99

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*Price sourced from Amazon.com. Last updated 2026-08-28. Price and availability subject to change.

Bottom line: The ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty] is a niche pick — read recent reviews before buying in the power protection category, priced around $56.99. Compare close alternatives before committing.

ROCKSTONE POWER?takes pride in being an industry leader in Quality, Technology and Innovation, our factory is the global leader and one of the largest manufacturers in the industry.Product Features1000 Watts Heavy Duty Step Up/Down Voltage Transformer Converter. Step Up Voltage from 110-120 Volts to 220-240 Volts. Or Step Down Voltage from 220-240 Volts to 110-120 Volts. Patented Simultaneous 3-Mode Output: 5V USB Port / 120V USA Output Socket / 220V Universal Output Socket. Metal Casing. ON/OFF Switch with LED indicator light. Hardwired heavy-duty insulated power cord with USA Grounded…

SpecPicks Verdict

SpecPicks scored ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. ROCKSTONE POWER's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by ROCKSTONE POWER's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Versatile Voltage Transformation: Seamlessly convert voltages with this dual-purpose power solution. Effortlessly transform 110V to 220V and vice versa, or step up from 120V to 240V and step down from 240V to 120V. Ideal for a range of appliances, this 220v to 110v converter, and 110v to 220v converter ensures your devices operate smoothly in different voltage environments. Safely link multiple devices using a power strip or extension cord, ensuring total wattage within the converter's limit.
Universal Compatibility & USB Convenience: Equipped to power a variety of devices, this voltage converter features a dedicated 5V USB port for charging mobile devices. With a 110-120V US outlet and a 220-240V universal socket, it's a perfect step-down transformer 220v to 110v and step-up transformer 110v to 220v, catering to both domestic and international electronics.
Optimal Safety & Enhanced Durability: Enclosed in a robust metal casing, our voltage converter 220 to 110 and 110 to 220 guarantees maximum safety with circuit breaker and fuse protection. Designed to ensure optimal device usage, this converter aids in prolonging appliance life, making it an essential power converter for home and travel. Choose this converter with a wattage rating 50% above your appliance for longevity and optimal performance in power transformer and voltage converter uses.
RockStone Power proudly supports the United States Military since 2001, and have became a proud supplier for Tesla Inc. since 2018. Shipping is available to all Overseas Military APO/FPO/DPO addresses.
Comprehensive Package & Warranty Assurance: This all-in-one package includes the Rockstone Power 1000W Voltage Converter Transformer, a USA power cord, European adapter, spare fuses, and a user-friendly manual. Backed by a 3-Year Warranty, it's the ultimate solution for converting voltages like 120v to 240v step up transformer and voltage converter 110v to 220v.

Full Specifications

Brand	ROCKSTONE POWER
Model	1000 watt
Unit Count	1 Count
Part Number	1000 watt
Connectivity	USB
Power Source	Corded Electric
Mounting Type	Fixed Mount
Number of Items	1
Minimum Frequency	50 hertz
Specification Met	CE
Included Components	Power converter
Warranty Description	3 year manufacturer
Global Trade Identification Number	00617529014595
EU Spare Part Availability Duration	3 years

Ready to buy?

ROCKSTONE POWER 1000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty] is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-28. Price and availability subject to change.