lenovo 300 151kb charging port
Charger Specifications
The charger for the Lenovo 300 15IKB has specific electrical and physical characteristics that must be matched for safe and effective charging.
Power Output: The laptop may have originally shipped with either a 45W (2.25A) or 65W (3.25A) adapter, depending on the specific hardware configuration. A 65W charger is backward compatible and will work fine with laptops designed for the 45W model, as the laptop will only draw the power it needs.
Output Voltage: The standard output voltage is 20V DC.
Output Current: This is either 2.25A (for 45W) or 3.25A (for 65W).
Input Voltage: The charger is designed for worldwide use, accepting an input voltage range of 100-240V AC at 50-60Hz.
Charging Port and Connector Details
The charging port on the laptop and the corresponding connector tip of the charger have specific physical dimensions to ensure proper connectivity.
Connector Type: The port uses a proprietary round barrel connector. Some sources refer to it as a "small pin" or "slim tip".
Connector Dimensions:
Outer Diameter: 4.0mm.
Inner Diameter: 1.7mm.
Product Details
When purchasing a replacement, ensure it has the correct connector size and voltage/wattage specifications.
Safety Features: Reputable chargers include built-in safeguards against overheating, overcharging, over-current, and short-circuiting, often certified by safety standards like CE, FCC, and RoHS.
Compatibility: The charger is also compatible with many other Lenovo IdeaPad models, including the 100, 310, 320, 330, 510, and 710 series, and Flex models with the same port type.
Included Components: New power adapters typically come with the AC adapter unit and the accompanying power cable to connect to the wall socket.
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