DC‑DC Buck Converter Module Disclaimer Notice

1. Safety Warning: Only dc‑dc step‑down fast‑charge module included; input power supply and end‑charging electronic gadgets for demo purpose are NOT contained inside package.
2. Disclaimer: This aftermarket dc‑dc buck converter is universal diy electronic spare module. Actual fast‑charge effect depends on end‑gadget supported communication protocol. Please cross reference electrical spec table and verify your circuit condition prior to ordering.

Core Product Features

• Universal dc‑dc step‑down buck converter fast‑charge module for diy electronic project, car retrofit and solar‑panel power transformation
• Wide input voltage range DC 6‑30V; default output 5V, automatic 3‑12V voltage adjustment after fast‑charge protocol handshake
• Max output power reach 24W, conversion efficiency range from 90% to 97%, with output cable voltage compensation function
• Built‑in comprehensive multi‑protection circuit: over‑voltage, under‑voltage, input over‑current, output over‑current, short‑circuit and over‑temperature protection
• Compact small‑size pcb design, physical dimension 37*20*10mm, net weight only 7.5g for embedded diy installation
• Note: Real fast‑charge performance depends on end‑gadget supported communication protocol. Not all connected gadgets will trigger high‑voltage fast‑charge mode.
• Please check cross reference electrical spec table below and verify circuit condition before purchase
• Package contains only dc‑dc step‑down fast‑charge module; demo power supply and end‑charging gadgets not included

Cross Reference Electrical Spec Reference (Only for hardware‑spec cross‑check reference, not brand‑indication)

Package Included

• 1 × DC‑DC Step‑Down QC3.0 Fast‑Charge Module
• Multilingual User Instruction Manual

Wide Application Scenarios

• Car interior diy charging‑circuit retrofit modification project
• Solar‑panel power conversion and auxiliary charging circuit
• Driving‑recorder and household low‑voltage power transformation diy work
• Electronic‑repair‑shop spare‑inventory dc‑dc buck converter module

Installation & Safe Use Reminders

1. Strictly distinguish input positive / negative pole, reverse‑input may cause permanent module damage.
2. Do not exceed max input voltage DC30V and max 24W output power rating during operation.
3. Reserve sufficient heat‑dissipation space for module during long‑time high‑power working status.
4. Disconnect power source completely before soldering or circuit modification operation.

Frequently Asked Questions

Q1 Will this module trigger fast‑charge for every connected gadget?

A1 Fast‑charge triggering depends on communication protocol supported by end‑gadget. Some gadgets only obtain standard 5V charging even connected to this module.

Q2 What is max output power and conversion efficiency of this module?

A1 Max output power 24W, conversion efficiency between 90%‑97%, with output cable voltage compensation feature.

Q3 Does package include power supply or end‑charging electronic gadgets?

A1 No, only dc‑dc step‑down fast‑charge module and instruction manual are supplied; demo power‑supply and end‑charging gadgets hardware are not included.

Q4 Is this dc‑dc module exclusively designed for certain‑brand gadgets?

A1 It is aftermarket universal diy electronic buck converter module. Fast‑charge performance subject to end‑gadget protocol capability, not exclusive for any gadget brand.