KUWAJIA 140W Fast Charging Power Disconnector
Original price was: ৳1,450.00.৳1,290.00Current price is: ৳1,290.00.
You can buy the KUWAJIA KH-51 140W Fast Charging Power Disconnector at the best price in Bangladesh from Extreme Gadgets
KUWAJIA KH-51 140W Fast Charging Power Disconnector
• KUWAJIA KH-51 140W Fast Charging Power Disconnector is an intelligent USB-C charging safety accessory designed to automatically cut off power when a connected device reaches full charge. Supporting up to 140W fast charging, this compact device helps reduce unnecessary trickle charging, minimize battery stress, and improve charging safety for smartphones, tablets, laptops, power banks, Bluetooth earphones, and other rechargeable electronics. Featuring dual intelligent charging modes, automatic current and voltage detection, and a physical power cutoff system, the KH-51 offers a practical solution for overnight charging and everyday battery protection.
• Automatic Full-Charge Power Cutoff intelligently disconnects power when charging is complete to reduce unnecessary charging time.
• 140W High-Power Fast Charging Support allows compatibility with modern fast-charging smartphones, tablets, laptops, and USB-C devices.
• Dual Intelligent Detection Modes optimize charging cutoff behavior for different types of electronic devices.
• White Light Mode for Screen Devices is specially designed for smartphones, tablets, and laptops that remain powered on during charging.
• Blue Light Mode for Non-Screen Devices is ideal for Bluetooth earphones, power banks, electric shavers, toys, and other rechargeable electronics.
• Physical Power Disconnect Design provides visible and reliable power isolation once charging is completed.
• Smart Current and Voltage Monitoring continuously analyzes charging status to determine when the battery is effectively full.
• Supports Overnight Charging adds convenience and enhanced charging safety while users sleep.
• Reduces Excessive Trickle Charging helping to minimize unnecessary battery stress after charging completion.
• Compact and Lightweight Construction makes it easy to carry and use at home, in the office, or while traveling.
• Fire-Resistant Housing enhances durability and safety during long-term operation.
• Simple One-Button Control allows quick switching between operating modes.
• Built-In Function Test Mode enables users to verify automatic disconnection functionality easily.
Specifications
Product Name:
KUWAJIA KH-51 140W Fast Charging Power Disconnector
Brand:
• KUWAJIA
Model:
• KH-51
Product Type:
• USB-C Auto Power Cutoff Adapter
• Charging Safety Accessory
Connector Type:
• USB Type-C
Charging Support:
• Up to 140W Fast Charging
Input/Output Range:
• Type-C DC 5V–28V
• 0A–5A
Charging Detection Method:
• Current Monitoring
• Voltage Monitoring
• Intelligent Full-Charge Detection
Operating Modes:
White Light Mode
Suitable For:
• Smartphones
• Tablets
• Laptops
• Screen-Based Devices
• Continuously Powered-On Devices
Operation:
• Automatically disconnects approximately 10–50 minutes after the device displays 100% battery, depending on device behavior and battery condition.
Blue Light Mode
Suitable For:
• Bluetooth Earphones
• Power Banks
• Electric Shavers
• Beauty Devices
• Children’s Toys
• Non-Screen Devices
Operation:
• Automatically disconnects approximately 5 minutes after charging completion.
Function Test Mode:
• Press and hold button for 5 seconds
• White and blue LEDs flash alternately
• Device automatically disconnects after 5 seconds for testing
Material:
• Fire-Resistant PC
Dimensions:
• 42 × 34.5 × 19.3 mm
Weight:
• 26g
Safety Features:
• Automatic Power Cutoff
• Physical Disconnect Mechanism
• Intelligent Charging Detection
• Fire-Resistant Housing
Applications:
• Overnight Charging
• Battery Protection
• Travel Use
• Home Charging
• Office Charging
Q&A
Q1: What is the KUWAJIA KH-51 used for?
A: It automatically disconnects power when a device is fully charged, helping reduce unnecessary charging time and improving charging safety.
Q2: Does the KUWAJIA KH-51 support fast charging?
A: Yes, it supports up to 140W USB-C fast charging.
Q3: How does the device know when charging is complete?
A: It monitors charging current and voltage to determine when the battery is fully or nearly fully charged.
Q4: What is White Light Mode used for?
A: White Light Mode is designed for smartphones, tablets, laptops, and other devices with displays that remain powered on while charging.
Q5: What is Blue Light Mode used for?
A: Blue Light Mode is intended for non-screen devices such as Bluetooth earphones, power banks, electric shavers, and toys.
Q6: Why doesn’t it disconnect immediately when my phone shows 100%?
A: Many devices continue a short trickle-charging phase after displaying 100%. The KH-51 waits until charging activity indicates the battery is truly full before disconnecting.
Q7: Is it suitable for overnight charging?
A: Yes, it is specifically designed to improve convenience and safety during overnight charging sessions.
Q8: Can it be used with laptops?
A: Yes, it supports USB-C charging devices including compatible laptops, tablets, and smartphones.
Q9: What material is the housing made from?
A: The device uses fire-resistant PC material for enhanced durability and safety.
Q10: How can I test whether the auto-disconnect function works?
A: During charging, press and hold the button for 5 seconds until the white and blue lights flash alternately. The device will disconnect power after approximately 5 seconds as a functionality test.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of KUWAJIA KH-51 140W Fast Charging Power Disconnector in Bangladesh?
KUWAJIA KH-51 140W Fast Charging Power Disconnector price in BD is 1450 BDT
We will call you to confirm your order (between 11 AM – 7 PM). Kindly answer the call. If we are unable to reach you, please send us a message through our official Facebook page inbox.
Delivery Time
Inside Dhaka Home Delivery: 24-48 hours
Outside Dhaka Delivery: 24-72 hours
Delivery time depends on the courier service—usually 1–2 days inside or outside Dhaka. We use Sundarban, Pathao, eCourier, etc. Delays may occur due to courier issues.
Order processing and delivery time may be delayed due to stock issues, promotional offers, sale periods or other management issues.
Order Confirmation Payment Required
An advance payment of 100–200 BDT or more is required for order confirmation, depending on the product type and order amount.
Delivery Charge Details
Inside Dhaka: 60 Tk Only
Outside Dhaka: 120 Tk – If the product price exceeds 2000 BDT, an additional 10 BDT or 1% COD charge will be added for every 1000 BDT (as per courier policy).
Example: For a 3000 BDT product price, the delivery charge becomes 120+10=130 BDT, making the total 3130 BDT.
If you choose full prepayment, the 1% COD charge will be waived. Accepted payment methods: Bank Transfer, bKash, other Mobile Financial Services (MFS), Credit Card or EMI
Full Pre-payment / Partial Payment might required Outside Dhaka Courier, We’ll call you for further process & pre- payment details.
Full pre payment required for some specific or offer product, we’ll call you for details.
Note: For areas outside Dhaka City metro, including places like Savar, Tongi, Keraniganj, Demra, and similar locations, a 1% COD charge is applicable due to the courier company’s policy.Delivery charges may be higher than usual depending on the product’s size, weight, and quantity (e.g., fans, air purifiers, Home appliances & large items, it depends on courier policies.
Fragile items may incur additional handling charges. We ensure all products are packed securely and delivered in excellent condition.
Important Usage Instructions
Always charge your device using a 5W/10W max or 5V:1A power adapter (recommended).
Warranty & Authenticity
We provide official dealer/distributor warranties only.
You can verify product authenticity by checking the distributor’s /dealers warranty sticker. This reflects our commitment to transparency and honesty.
Disclaimer:
1. For certain specific products, full prepayment is compulsory. Details will be provided during confirmation.
2. Backorder means the item is currently out of stock, but you can still place an order. It will be delivered once it becomes available again.
We reserve the right to cancel any order at any time, even after confirmation or advance payment. This is because issues can occasionally arise from the supply chain, delivery hubs, or dealer points. In such cases, you will, of course, receive a refund. Learn more from our Return & Refund Policy.
3. Charges are subject to change at any time or during promotional periods. If not updated on the website, we will inform you directly by phone.
4. Before placing an order, please verify the product’s color, stock, and current price via our Facebook Messenger. For every order, we will also call and reconfirm the details. Prices and stock are subject to change at any time due to updates from the dealer or distributor, and actual stock/price may change if central stock runs out. Since there are thousands of products on our website, it’s not always possible to update stock status or prices immediately, and occasional errors may occur.
5. Before making full payment, please confirm the product’s actual stock by contacting us via text or call.
6. After receiving the parcel from delivery man, Before opening the box of the product, must make an unboxing video from the complete packaging condition for any type of service & warranty. Customers must send a clear video & photo of the damaged, defective, or wrong product along with the shipping packaging for accurate verification under good lighting conditions.
Read more from Return & refund policy.
7. For a few days, the product must remain in its original condition—complete, fresh, and without any scratches—to qualify for a replacement, warranty, or refund. This ensures we can resolve any issues promptly and fairly. Thank you for your cooperation.
8. If you find any manufacturing problem issue after receiving, we’ll replace it instantly, must inform us within 24 hours after receiving the product for warranty service
Do not make any scratches; the product must be 100% fresh.
► Keep the small sticker on the device and product box intact. If the sticker is removed or scratched, you will not receive any service. You may remove the sticker later if you wish, but for long-term warranty purposes, please keep the box, all accessories, and stickers as they are.
Please read our complete Warranty Policy and Terms & Conditions before making a purchase.
For any assistance, please contact us through our official Facebook page inbox.
9. We sell only 100% authentic products sourced from verified importers.
Smart tools, smart gadgets, home appliances, smart gadgets are CN Region items. These are imported from China. Most of our items are also sold internationally.Please review product details and customer feedback before purchasing on your own.
10. No returns or refunds for personal preferences. Once opened, products are non-returnable unless there’s a manufacturing defect. In that case, a replacement is offered within 24 hours. We sell based on demand and do not provide servicing.
Note: Product information may change; actual packaging may differ. Always read the manual, labels, warnings, and directions before use. For details, contact the manufacturer. Any medical-related gadget is not a substitute for professional medical equipment. Do not use for self-diagnosis or treatment. Contact your healthcare provider if you have a medical issue. Extreme Gadgets is not liable for product inaccuracies or any health issues. We are not liable for any malfunction of the gadget or any harm caused to health.
Thank you for choosing Extreme Gadgets.
Your satisfaction is our priority.
Stay connected, stay extreme!
Only logged in customers who have purchased this product may leave a review.
You can buy the KUWAJIA KH-51 140W Fast Charging Power Disconnector at the best price in Bangladesh from Extreme Gadgets
KUWAJIA KH-51 140W Fast Charging Power Disconnector
• KUWAJIA KH-51 140W Fast Charging Power Disconnector is an intelligent USB-C charging safety accessory designed to automatically cut off power when a connected device reaches full charge. Supporting up to 140W fast charging, this compact device helps reduce unnecessary trickle charging, minimize battery stress, and improve charging safety for smartphones, tablets, laptops, power banks, Bluetooth earphones, and other rechargeable electronics. Featuring dual intelligent charging modes, automatic current and voltage detection, and a physical power cutoff system, the KH-51 offers a practical solution for overnight charging and everyday battery protection.
• Automatic Full-Charge Power Cutoff intelligently disconnects power when charging is complete to reduce unnecessary charging time.
• 140W High-Power Fast Charging Support allows compatibility with modern fast-charging smartphones, tablets, laptops, and USB-C devices.
• Dual Intelligent Detection Modes optimize charging cutoff behavior for different types of electronic devices.
• White Light Mode for Screen Devices is specially designed for smartphones, tablets, and laptops that remain powered on during charging.
• Blue Light Mode for Non-Screen Devices is ideal for Bluetooth earphones, power banks, electric shavers, toys, and other rechargeable electronics.
• Physical Power Disconnect Design provides visible and reliable power isolation once charging is completed.
• Smart Current and Voltage Monitoring continuously analyzes charging status to determine when the battery is effectively full.
• Supports Overnight Charging adds convenience and enhanced charging safety while users sleep.
• Reduces Excessive Trickle Charging helping to minimize unnecessary battery stress after charging completion.
• Compact and Lightweight Construction makes it easy to carry and use at home, in the office, or while traveling.
• Fire-Resistant Housing enhances durability and safety during long-term operation.
• Simple One-Button Control allows quick switching between operating modes.
• Built-In Function Test Mode enables users to verify automatic disconnection functionality easily.
Specifications
Product Name:
KUWAJIA KH-51 140W Fast Charging Power Disconnector
Brand:
• KUWAJIA
Model:
• KH-51
Product Type:
• USB-C Auto Power Cutoff Adapter
• Charging Safety Accessory
Connector Type:
• USB Type-C
Charging Support:
• Up to 140W Fast Charging
Input/Output Range:
• Type-C DC 5V–28V
• 0A–5A
Charging Detection Method:
• Current Monitoring
• Voltage Monitoring
• Intelligent Full-Charge Detection
Operating Modes:
White Light Mode
Suitable For:
• Smartphones
• Tablets
• Laptops
• Screen-Based Devices
• Continuously Powered-On Devices
Operation:
• Automatically disconnects approximately 10–50 minutes after the device displays 100% battery, depending on device behavior and battery condition.
Blue Light Mode
Suitable For:
• Bluetooth Earphones
• Power Banks
• Electric Shavers
• Beauty Devices
• Children’s Toys
• Non-Screen Devices
Operation:
• Automatically disconnects approximately 5 minutes after charging completion.
Function Test Mode:
• Press and hold button for 5 seconds
• White and blue LEDs flash alternately
• Device automatically disconnects after 5 seconds for testing
Material:
• Fire-Resistant PC
Dimensions:
• 42 × 34.5 × 19.3 mm
Weight:
• 26g
Safety Features:
• Automatic Power Cutoff
• Physical Disconnect Mechanism
• Intelligent Charging Detection
• Fire-Resistant Housing
Applications:
• Overnight Charging
• Battery Protection
• Travel Use
• Home Charging
• Office Charging
Q&A
Q1: What is the KUWAJIA KH-51 used for?
A: It automatically disconnects power when a device is fully charged, helping reduce unnecessary charging time and improving charging safety.
Q2: Does the KUWAJIA KH-51 support fast charging?
A: Yes, it supports up to 140W USB-C fast charging.
Q3: How does the device know when charging is complete?
A: It monitors charging current and voltage to determine when the battery is fully or nearly fully charged.
Q4: What is White Light Mode used for?
A: White Light Mode is designed for smartphones, tablets, laptops, and other devices with displays that remain powered on while charging.
Q5: What is Blue Light Mode used for?
A: Blue Light Mode is intended for non-screen devices such as Bluetooth earphones, power banks, electric shavers, and toys.
Q6: Why doesn’t it disconnect immediately when my phone shows 100%?
A: Many devices continue a short trickle-charging phase after displaying 100%. The KH-51 waits until charging activity indicates the battery is truly full before disconnecting.
Q7: Is it suitable for overnight charging?
A: Yes, it is specifically designed to improve convenience and safety during overnight charging sessions.
Q8: Can it be used with laptops?
A: Yes, it supports USB-C charging devices including compatible laptops, tablets, and smartphones.
Q9: What material is the housing made from?
A: The device uses fire-resistant PC material for enhanced durability and safety.
Q10: How can I test whether the auto-disconnect function works?
A: During charging, press and hold the button for 5 seconds until the white and blue lights flash alternately. The device will disconnect power after approximately 5 seconds as a functionality test.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of KUWAJIA KH-51 140W Fast Charging Power Disconnector in Bangladesh?
KUWAJIA KH-51 140W Fast Charging Power Disconnector price in BD is 1450 BDT
We will call you to confirm your order (between 11 AM – 7 PM). Kindly answer the call. If we are unable to reach you, please send us a message through our official Facebook page inbox.
Delivery Time
Inside Dhaka Home Delivery: 24-48 hours
Outside Dhaka Delivery: 24-72 hours
Delivery time depends on the courier service—usually 1–2 days inside or outside Dhaka. We use Sundarban, Pathao, eCourier, etc. Delays may occur due to courier issues.
Order processing and delivery time may be delayed due to stock issues, promotional offers, sale periods or other management issues.
Order Confirmation Payment Required
An advance payment of 100–200 BDT or more is required for order confirmation, depending on the product type and order amount.
Delivery Charge Details
Inside Dhaka: 60 Tk Only
Outside Dhaka: 120 Tk – If the product price exceeds 2000 BDT, an additional 10 BDT or 1% COD charge will be added for every 1000 BDT (as per courier policy).
Example: For a 3000 BDT product price, the delivery charge becomes 120+10=130 BDT, making the total 3130 BDT.
If you choose full prepayment, the 1% COD charge will be waived. Accepted payment methods: Bank Transfer, bKash, other Mobile Financial Services (MFS), Credit Card or EMI
Full Pre-payment / Partial Payment might required Outside Dhaka Courier, We’ll call you for further process & pre- payment details.
Full pre payment required for some specific or offer product, we’ll call you for details.
Note: For areas outside Dhaka City metro, including places like Savar, Tongi, Keraniganj, Demra, and similar locations, a 1% COD charge is applicable due to the courier company’s policy.Delivery charges may be higher than usual depending on the product’s size, weight, and quantity (e.g., fans, air purifiers, Home appliances & large items, it depends on courier policies.
Fragile items may incur additional handling charges. We ensure all products are packed securely and delivered in excellent condition.
Important Usage Instructions
Always charge your device using a 5W/10W max or 5V:1A power adapter (recommended).
Warranty & Authenticity
We provide official dealer/distributor warranties only.
You can verify product authenticity by checking the distributor’s /dealers warranty sticker. This reflects our commitment to transparency and honesty.
Disclaimer:
1. For certain specific products, full prepayment is compulsory. Details will be provided during confirmation.
2. Backorder means the item is currently out of stock, but you can still place an order. It will be delivered once it becomes available again.
We reserve the right to cancel any order at any time, even after confirmation or advance payment. This is because issues can occasionally arise from the supply chain, delivery hubs, or dealer points. In such cases, you will, of course, receive a refund. Learn more from our Return & Refund Policy.
3. Charges are subject to change at any time or during promotional periods. If not updated on the website, we will inform you directly by phone.
4. Before placing an order, please verify the product’s color, stock, and current price via our Facebook Messenger. For every order, we will also call and reconfirm the details. Prices and stock are subject to change at any time due to updates from the dealer or distributor, and actual stock/price may change if central stock runs out. Since there are thousands of products on our website, it’s not always possible to update stock status or prices immediately, and occasional errors may occur.
5. Before making full payment, please confirm the product’s actual stock by contacting us via text or call.
6. After receiving the parcel from delivery man, Before opening the box of the product, must make an unboxing video from the complete packaging condition for any type of service & warranty. Customers must send a clear video & photo of the damaged, defective, or wrong product along with the shipping packaging for accurate verification under good lighting conditions.
Read more from Return & refund policy.
7. For a few days, the product must remain in its original condition—complete, fresh, and without any scratches—to qualify for a replacement, warranty, or refund. This ensures we can resolve any issues promptly and fairly. Thank you for your cooperation.
8. If you find any manufacturing problem issue after receiving, we’ll replace it instantly, must inform us within 24 hours after receiving the product for warranty service
Do not make any scratches; the product must be 100% fresh.
► Keep the small sticker on the device and product box intact. If the sticker is removed or scratched, you will not receive any service. You may remove the sticker later if you wish, but for long-term warranty purposes, please keep the box, all accessories, and stickers as they are.
Please read our complete Warranty Policy and Terms & Conditions before making a purchase.
For any assistance, please contact us through our official Facebook page inbox.
9. We sell only 100% authentic products sourced from verified importers.
Smart tools, smart gadgets, home appliances, smart gadgets are CN Region items. These are imported from China. Most of our items are also sold internationally.Please review product details and customer feedback before purchasing on your own.
10. No returns or refunds for personal preferences. Once opened, products are non-returnable unless there’s a manufacturing defect. In that case, a replacement is offered within 24 hours. We sell based on demand and do not provide servicing.
Note: Product information may change; actual packaging may differ. Always read the manual, labels, warnings, and directions before use. For details, contact the manufacturer. Any medical-related gadget is not a substitute for professional medical equipment. Do not use for self-diagnosis or treatment. Contact your healthcare provider if you have a medical issue. Extreme Gadgets is not liable for product inaccuracies or any health issues. We are not liable for any malfunction of the gadget or any harm caused to health.
Thank you for choosing Extreme Gadgets.
Your satisfaction is our priority.
Stay connected, stay extreme!
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