Lenovo Original 45W Slim Tip Yellow Pin Charger for ThinkPad X240 — the OEM replacement you can trust
If your ThinkPad X240's original charger has finally given up, you're looking at the exact OEM replacement — the Lenovo Original 45W Slim Tip Yellow Pin Charger, now available at N.N Laptops for Rs. 4,199. This is a genuine, bench-tested Lenovo power adapter that outputs 20V at 2.25A through the distinctive yellow USB-style pin connector. It's the same charger that shipped with the ThinkPad X240, X250, T440, and several other models, and it's built to Lenovo's exacting standards for voltage stability, ripple suppression, and electromagnetic shielding. Backed by our 30-day check warranty with same-day Lahore delivery and nationwide shipping via TCS / Leopards. WhatsApp 0314 4000131 to check stock or get a live photo of the exact unit you'll receive.
Full specifications — what you're getting
This charger is not a compatible or third-party unit; it's a genuine Lenovo pull-out from working laptops, thoroughly tested on a bench for output voltage, current, and protection circuits. All the specs you'd expect from the original are here:
- Wattage: 45W — perfect for daily office use, web browsing, and light multitasking
- Output Voltage & Current: 20V / 2.25A, the precise spec for ThinkPad X240, X250, T440, T450, L440
- Connector Type: Lenovo Slim Tip (Yellow USB-style pin) — a distinctive flat pin that only fits these specific models, so no risk of mismatching
- AC Input: 100-240V, 50-60Hz — works in Pakistan and internationally with a travel adapter
- Cable Length: Approximately 1.8m from brick to laptop plus a 1.5m detachable wall cord (C5 'mickey-mouse' socket)
- Condition: Genuine — bench-tested and verified before shipment
- Warranty: 30-day check warranty — if it fails within 30 days of purchase, we replace it or refund you at the shop
Why choose the genuine Lenovo charger over a cheap compatible?
It's a common question — compatible chargers cost half the price but cut corners on safety. A genuine Lenovo brick uses higher-grade capacitors, better magnetic shielding to prevent interference with nearby electronics, and strain-relief cables that last years. The yellow pin is engineered for a precise fit; compatible ones often wobble or lose contact, causing intermittent charging. Plus, a genuine unit is bench-tested here at our shop (66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore), so you know it delivers clean power. If you want a cheaper option, we also stock high-grade compatible versions — just ask Sayam on WhatsApp 0314 4000131.
Real-world charging performance
Plug this charger into a ThinkPad X240 with a dead battery, and you'll see the white LED on the tip light up instantly. Expect 0-50% charge in about 35-45 minutes on a healthy battery, and a full charge in 1.5 to 2 hours. The brick will warm to 40-45°C under load — that's normal for any switching power supply, not a defect. It's light enough to toss in a laptop bag, and we include a soft pouch for travel. Whether you're working in a café in Lahore, at a university in Karachi, or from home in Islamabad, this charger keeps you productive without worrying about power drops.
How to verify this charger is right for your laptop
Before buying, do these three quick checks: 1. Look at the wattage on your old charger's sticker — it must be 45W. A higher-wattage Lenovo brick (e.g., 65W or 90W) is also safe if the voltage matches, but a lower one won't charge under load. 2. The connector must be the flat yellow USB-style pin — don't force a round barrel plug into this port. 3. Ensure the output voltage is 20V. Never use a Lenovo charger from a desktop or printer (12V) — that can damage your motherboard. If you're still unsure, take a clear photo of your laptop's spec sticker and send it to 0314 4000131 on WhatsApp. We'll confirm compatibility in minutes.
Compatibility — which laptops does this fit?
Beyond the ThinkPad X240, this charger is the OEM-spec adapter for: ThinkPad X250, T440, T450, L440. It also fits the ThinkPad X270 and T460 (if they use the slim tip — check the port shape). It does NOT fit models with the round barrel (like older ThinkPads) or USB-C (2019+ ThinkPads). If you're in Lahore, rawalpindi, Faisalabad, Multan, Peshawar, or Sialkot, you can order via WhatsApp and receive the charger within 1-3 working days via TCS or Leopards. Same-day Lahore delivery is available for in-city orders.
What's in the box — exactly what you need
Every charger ships with the brick-to-laptop cable (fixed on the brick side), a Pakistan/UK 3-pin C5 wall cord, a soft travel pouch to protect the brick in your bag, and a warranty card with all the terms. We also include a quick guide on how to test the charger on your laptop. No extra accessories, no fluff — just the essentials you'd get if you bought it from Lenovo.
Frequently asked questions
— Can I use this with a ThinkPad T440s? Yes, the T440s uses the same 20V slim tip connector. The only difference is the body size, but the charger works perfectly.
— Is this charger price in Pakistan 2026 competitive? At Rs. 4,199, it's the market rate for a genuine, bench-tested Lenovo charger. Compatible ones start around Rs. 1,800, but you lose the build quality and peace of mind. We've seen customers come back with melted compatible bricks — that's why we recommend genuine for daily use.
— What about the new USB-C chargers — should I switch? If your laptop has a Thunderbolt or USB-C port (most Lenovo models from 2019 on), USB-C PD is the future. For the X240 and similar, stick with this slim tip — it's reliable, affordable, and widely available.
— Do you offer a warranty on this? Yes, our standard 30-day check warranty covers any manufacturing defect, output failure, or AC ripple. Bring it back to the shop with the invoice, and we'll replace or refund — no fuss.
Visit us at N.N Laptops, Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore to test the charger on your laptop before buying. For out-of-station customers, WhatsApp 0314 4000131 to confirm availability and place your order. We ship to Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, and Sialkot via TCS / Leopards. Browse more laptop chargers and laptop parts on nnlaptops.com.
