04W3947 - Computer accessory LENOVO - Free user manual and instructions
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| Brand | Lenovo |
| Model | 04W3947 |
| Product Type | AC Adapter / USB-C Charger |
| Input Voltage | 100-240V AC, 50/60Hz |
| Output | 20V / 3.25A (65W) |
| Max Power | 65W |
| Connector Type | USB-C |
| Compatibility | Lenovo ThinkPad and Yoga models with USB-C PD support |
| Dimensions (approx.) | 60 x 60 x 28 mm (2.36 x 2.36 x 1.1 in) |
| Weight (approx.) | 250 g (0.55 lb) |
| AC Cable Length | 1.8 m |
| DC Cable Length | 1.5 m |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Safety Features | Overcurrent, overvoltage, and short-circuit protection |
| Indicator | LED ring |
| Main Functions | Provides power and charges compatible laptops or USB-C devices |
| Cleaning | Wipe with a soft, dry cloth; unplug before cleaning |
| Repairability | Non-user-serviceable; contact Lenovo for replacement |
| Box Contents | AC adapter, AC power cord, USB-C cable, documentation |
Frequently Asked Questions - 04W3947 LENOVO
Is this charger compatible with my Lenovo laptop?
This adapter is designed for Lenovo laptops with a USB-C power port, including ThinkPad models such as T-series, X-series, and others that support 65W USB-C charging. Check your laptop's port for the USB-C symbol.
What is the power output of the 04W3947 adapter?
It provides 65W of power with output specifications of 20V / 3.25A, suitable for charging compatible Lenovo devices.
Can I use this adapter with other brands of laptops?
It is compatible with any laptop that accepts USB-C PD (Power Delivery) at up to 65W. However, always verify your device's voltage and amperage requirements to avoid damage.
How do I know if my Lenovo laptop supports USB-C charging?
Look for a USB-C port next to a lightning or battery icon, or check your device's specifications online. Most ThinkPad models from 2017 onwards support this feature.
Does the adapter have a power indicator?
Yes, the adapter features an LED ring that lights up when it is properly connected to a power source.
How long is the cable on the 04W3947?
The adapter includes a 1.8m AC power cable and a 1.5m USB-C cable, giving you flexibility in placement.
Can I travel with this adapter internationally?
Yes, because it supports a universal input range of 100-240V AC, you can use it worldwide with the appropriate plug adapter.
What should I do if the adapter stops working?
First, try a different wall outlet and check the cable connections. If it still doesn't work, contact Lenovo support for a replacement, as the adapter is not user-serviceable.
How should I clean the adapter?
Always unplug the adapter before cleaning. Use a soft, dry cloth to wipe the surfaces. Never use water, solvents, or abrasive cleaners.
Is it safe to leave the charger plugged in overnight?
Yes, the adapter has built-in overcharge and short-circuit protection, making it safe to stay connected once the battery is full.
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USER MANUAL 04W3947 LENOVO
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Product information
Brand : LENOVO
Model : 04W3947
Category : Computer accessory