UGREEN CD130 40858 30W USB-C + USB-A Car Charger
Overview
UGREEN 40858 provides one USB-C and one USB-A charging output from a compatible 12–24V accessory socket. USB-C can reach up to 30W by itself through 5V/3A, 9V/3A or 12V/2.5A profiles, with PPS support. USB-A can reach up to 22.5W alone through high-current 5V-class profiles. The charger is rated at 30W total, so connecting both devices does not create 52.5W of simultaneous output. Regional documents do not list one consistent per-port dual-use split; this guide intentionally avoids inventing one.
What it does well.
Key features
Port map and connector roles
Port labels matter: Use USB-C when the priority device supports PD or PPS. Treat USB-A as a secondary fast-charge or legacy-cable output.
Charging protocols and speed logic
SKU sources list PD 3.0 and PPS on USB-C plus QC 3.0, FCP, AFC, BC1.2, DCP, Apple 5V/2.4A and Samsung 5V/2A families across the supported outputs. A protocol name does not guarantee the maximum headline wattage: the device chooses a compatible profile and shared use remains constrained by the 30W system limit.
Compatible devices and systems
Compatibility rule: This model can physically connect to many devices, but the useful rate depends on protocol negotiation. It is not a general replacement for a 45W, 65W or higher laptop adapter.
Use scenarios
Setup and usability guidance
No software required: The charger is plug-and-play; correct socket fit, port choice and cable routing are the important setup decisions.
- Park safely before fitting or changing any cables. Confirm that the vehicle outlet is a clean, dry, undamaged 12–24V DC accessory socket.
- Insert the charger fully. If there is no power, check whether the vehicle energises that socket only in accessory or ignition mode.
- Connect the highest-demand device to the port identified in the power table; then add lower-demand devices one at a time.
- Route every cable away from the steering wheel, pedals, gear selector, handbrake, seat rails and airbag deployment areas.
- When finished, disconnect devices first. Remove the charger if the vehicle keeps the outlet live while parked and prolonged standby draw is a concern.
Everyday usability and care
The aluminium shell can feel warm because it transfers heat away from the internal electronics. Keep the body visible and ventilated, and remove it by gripping the charger rather than pulling an attached cable.
What this product does
- Converts power from a compatible vehicle accessory socket into regulated USB charging outputs.
- Negotiates a mutually supported charging profile with each device and reallocates available power as connections change.
- Charges phones, tablets, accessories and—only where the stated port power is sufficient—compatible USB-C computers.
- Works without an app, driver, Bluetooth connection or vehicle infotainment pairing.
What this product does not do
- It is not an AC inverter and cannot power equipment that requires a household wall outlet.
- Its USB connectors are power outputs, not data, CarPlay, Android Auto, display or file-transfer ports.
- It cannot force a device to accept more power than the device, cable and protocol permit.
- It does not contain a battery and cannot continue charging after the vehicle socket loses power.
- It does not supply 30W from USB-C and 22.5W from USB-A simultaneously; total output is capped at 30W.
- Do not buy it as a guaranteed full-speed charger for a laptop that normally requires 45W or more.
What to do
- Use sound, correctly rated cables and place the highest-demand device on the strongest documented output.
- Keep the charger exposed to cabin air and keep the accessory socket free of dust, liquid and conductive debris.
- Expect a brief charging pause when a device is connected or removed; many multi-port chargers must renegotiate power.
- Check the connected device’s input requirement instead of judging compatibility from connector shape alone.
- Disconnect power before cleaning and use only a dry, soft cloth.
- Use only the USB-C port when a device needs the strongest documented output.
What not to do
- Do not use a wet, loose, scorched, cracked or mechanically damaged vehicle socket, charger or cable.
- Do not cover the charger with fabric or wedge it where ventilation is blocked.
- Do not exceed the stated 12–24V DC input range or connect it to an unverified power source.
- Do not handle connections while driving when doing so could distract the driver or interfere with controls.
- Do not disassemble the housing or continue use after deformation, burning odour, repeated shutdown or abnormal heat.
- Do not interpret separate single-port ceilings as a 52.5W combined rating.
Warnings and limitations
Stop-use trigger: Disconnect immediately if you notice arcing, smoke, a burning smell, melted plastic, visible deformation or repeated unexplained power loss.
- The vehicle outlet and its fuse must be capable of supplying the requested load. A weak or damaged socket can cause intermittent charging.
- Charging power normally falls as a battery approaches full charge or becomes warm. This tapering is expected and is not proof of a charger fault.
- Metal and high-output charger bodies can feel warm during normal operation. Stop use if heat becomes excessive or is accompanied by smell, deformation or repeated cut-outs.
- The product is not described as waterproof. Protect it from spills, condensation and wet cleaning.
- A printed wattage is a ceiling under defined conditions, not a promise that every device will draw that amount.
- Regional model listings conflict on the precise two-device split. The safe buying assumption is a 30W dynamically shared total.
Troubleshooting
Useful diagnostic: If fast charging disappears when the second cable is connected, test the priority device alone on USB-C. That isolates power sharing from cable or device incompatibility.
At a glance.
- USB-C alone
- Up to 30W.
- USB-A alone
- Up to 22.5W.
- USB-C + USB-A
- 30W maximum total, dynamically shared. Per-port split varies with negotiated device profiles and is not consistently published across regional model sources.
- In the box
- Confirm model CD130 / SKU 40858.
Choose it for a 30W total system, not a 52.5W dual-output system.
Bring the correct USB-C or USB-A cable for each device.
Verify that 30W is enough for any intended USB-C computer.
Confirmed item: 1 × UGREEN 40858 car charger. A detachable charging cable is not included in the live India listing. Printed documentation can vary by retail package, so the page does not promise an additional cable or accessory.