--- product_id: 45092235 title: "6 FT Extra Long AC Replacement Adapter for Casio CT-638 CT638 Keyboard Power Supply Cord" brand: "maxinbuy power" price: "NT$606" currency: TWD in_stock: true reviews_count: 8 category: "Maxinbuy Power" url: https://www.desertcart.tw/products/45092235-6-ft-extra-long-ac-replacement-adapter-for-casio-ct store_origin: TW region: Taiwan --- # 100-240V universal input 6 FT extra-long cable Over-voltage & short-circuit protection 6 FT Extra Long AC Replacement Adapter for Casio CT-638 CT638 Keyboard Power Supply Cord **Brand:** maxinbuy power **Price:** NT$606 **Availability:** ✅ In Stock ## Summary > 🔋 Power your passion with confidence—never miss a beat! ## Quick Answers - **What is this?** 6 FT Extra Long AC Replacement Adapter for Casio CT-638 CT638 Keyboard Power Supply Cord by maxinbuy power - **How much does it cost?** NT$606 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/45092235-6-ft-extra-long-ac-replacement-adapter-for-casio-ct) ## Best For - maxinbuy power enthusiasts ## Why This Product - Trusted maxinbuy power brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Safety Tech:** Built-in over-voltage, over-heat, and short-circuit protection for peace of mind during every jam session. - • **Lightweight & Durable:** Heavy-duty cable with a featherlight 3-ounce design—portable yet rugged for daily use. - • **Extended Reach, No Limits:** 6-foot cable length keeps your keyboard powered from anywhere in the room. - • **Perfect Match for Casio CT-638:** Specifically engineered to power your Casio CT-638 keyboard flawlessly, no compromises. - • **Universal Voltage Compatibility:** Works seamlessly with 100-240V power sources worldwide—plug in and play without worry. ## Overview This 6-foot AC replacement adapter is designed exclusively for the Casio CT-638 keyboard, delivering reliable 9V 850mA power with universal 100-240V input. Featuring smart IC circuitry, LED indicator, and comprehensive safety protections, it combines lightweight portability with heavy-duty durability to keep your music flowing uninterrupted. ## Description Brand New, High Quality AC Home/Wall Charger/Adapter. This adapter/charger connects your device to wall power jack for power charging, converting 100V - 240V Input: 100v - 240v; Output : 9V 850mA. Tip : Center(-)Outer(+) With smart IC circuit inside and LED light indicator for preventing overcharging and for short circuit protection. Compact design: light in weight-- about 3 ounces. Package includes: 1 unit of AC adapter. Compatible with: Casio CT-638 CT638 Keyboard. Review: Works great! - I was so excited to find a Casio keyboard at a garage sale, but it had no adapter. I found this AC adapter on desertcart and Voila! It works perfectly. I’ve cleaned it up to sparkling and it is going to make a wonderful Christmas present. Review: Perfect replacement cord! - Excellent product!! ## Features - 6 FT Extra Long AC Replacement Adapter for Casio CT-638 CT638 Keyboard Power Supply Cord - Input Voltage : AC 100-240V; Input Frequency : 50-60Hz; Cable Length: 6 FT - US Standard Plug, Short circuit Protection.Light in weight and with heavy-duty cable-wire. - Industry Quality : Over Voltage Protection, Over Heat Protection, CE - Compatible with: Casio CT-638 Keyboard ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00LX96ZMO | | Best Sellers Rank | #51,390 in Musical Instruments ( See Top 100 in Musical Instruments ) #717 in Keyboard Power Supplies | | Customer Reviews | 4.5 4.5 out of 5 stars (129) | | Date First Available | July 18, 2014 | | Is Discontinued By Manufacturer | No | | Item Weight | 4 ounces | | Item model number | Max-3813 | | Manufacturer | MaxinbuyTech | | Product Dimensions | 5 x 3.5 x 1.2 inches | ## Product Details - **Amperage:** 850 Milliamps - **Brand:** Maxinbuy Power - **Compatible Devices:** Casio CT-638 CT638 Keyboard - **Compatible Phone Models:** Casio CT-638 CT638 Keyboard - **Connector Type:** barrel connector - **Included Components:** AC adapter - **Input Voltage:** 240 Volts - **Number of Items:** 1 - **Special Feature:** Short Circuit Protection - **Wattage:** 7.65 watts ## Images ![6 FT Extra Long AC Replacement Adapter for Casio CT-638 CT638 Keyboard Power Supply Cord - Image 1](https://m.media-amazon.com/images/I/81QbaQiCltL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great! *by L***A on December 2, 2021* I was so excited to find a Casio keyboard at a garage sale, but it had no adapter. I found this AC adapter on Amazon and Voila! It works perfectly. I’ve cleaned it up to sparkling and it is going to make a wonderful Christmas present. ### ⭐⭐⭐⭐⭐ Perfect replacement cord! *by J***A on January 15, 2023* Excellent product!! ### ⭐⭐⭐⭐⭐ It works! *by M***L on September 20, 2019* It perfectly replaces the original Casio power supply. Only time will tell how long it will last. The blue indicator light is convenient. ## Frequently Bought Together - 6 FT Extra Long AC Replacement Adapter for Casio CT-638 CT638 Keyboard Power Supply Cord - Piano Keyboard Stickers for 88/61/54/49/37 Key, Bold Large Letter Piano Stickers for Learning, Removable Piano Keyboard Letters, Notes Label for Beginners and Kids, Multicolor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/45092235-6-ft-extra-long-ac-replacement-adapter-for-casio-ct](https://www.desertcart.tw/products/45092235-6-ft-extra-long-ac-replacement-adapter-for-casio-ct) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-07*