le-45w computer laptop power adapter 20v2.25a LE-45W电脑笔记本电源适配器 20V2.25A

45W Lenovo laptop power adapter - Product Analysis

📌Basic Parameters

- Power: 45W
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- Output: 20V‑2.25A
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- DC plug specifications: 4.0×1.7mm (small round port, dedicated interface for Lenovo Xiaoxin)
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- Input: AC 100‑240V wide voltage, globally compatible mains power
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- Appearance: Black plastic casing, wires come with a Velcro tie-back strip, AC input port with a "8" shape tail
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- Certification: Complies with CE, FC, and RoHS safety certifications; compatible with various Lenovo Xiaoxin series laptops

✅Key Selling Points

1. 2.0V 2.25A 45W standard output, perfectly compatible with Lenovo Xiaoxin laptops using a 4.0*1.7mm port, replacing the original charger.
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2. 100‑240V wide-range AC input, readily available in many overseas countries, suitable for foreign trade.
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3. 4.0×1.7mm special DC round-head connector; high plug matching ratio, stable insertion and removal, and not prone to loosening or power loss.
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4. Equipped with Velcro straps to organize power cords, making it easy to carry for travel.
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5. Multiple protections against overpressure, overcurrent, and short circuit; durable casing, stable operation; high cost-effectiveness compared to the original power supply.
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6. It has an appropriate size and is portable, making it suitable for use at home, in the office, or when replaced outside.

📋 Applicable Scenarios

Lenovo Xiaoxin series compatible laptops replacement batteries; home, office, and travel backup power sources; repair parts market.

⚠️Usage Instructions

1. Make sure the device interface is 4.0×1.7mm; if the size does not match, it cannot be used, and do not force it in.
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2. Output parameters are 20V‑2.25A; it is only compatible with laptops that support this specification and should not be used in devices with different voltage requirements.
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3. Keep the usage environment well-ventilated; do not cover the adapter to prevent heat accumulation.
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4. Use only indoors; avoid humid environments.