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Ultra-Fast Charging Performance: Supports QC3.0 protocol to automatically switch between 5V/9V/12V, delivering high-speed charging for Android, Apple, and digital devices.
High-Current 5A Output: Engineered to provide a stable, non-inflated 5A output current with >93% efficiency, ideal for high-power demanding electronics.
Comprehensive Safety Protection: Features integrated overvoltage, overcurrent, and overcharge protection, plus input reverse polarity protection for ultimate circuit safety.
Industrial-Grade Efficiency: Utilizes high-efficiency synchronous rectification technology to maintain low heat generation and consistent 5.20V output voltage (±2%).
Flexible Installation Options: Equipped with standard USB output and reserved solder pads on the back, offering a compact 52x30x12mm solution for custom charging dock modifications.
Eliminate slow charging speeds and unstable power delivery with the Elecbee High-Current QC3.0 Step-Down Module. This board solves the challenge of converting variable high-voltage sources (12V-36V) into a stable, fast-charging interface for mobile phones and tablets. Whether you are upgrading a vehicle's charging port, building a custom power bank, or retrofitting industrial equipment with USB ports, this module provides the QC3.0 fast charging capability required for modern high-performance mobile devices.
This DC-DC buck converter is engineered for technical efficiency and reliability. The technical specifications include:





Shipping | Delivery Period | For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||