Lenovo ThinkPad X220 / T420 / T430 9-Cell Extended Battery (45N1011)

Lenovo ThinkPad X220 / T420 / T430 9-Cell Extended Battery (45N1011) — quick answer

The Lenovo ThinkPad X220 / T420 / T430 9-Cell Extended Battery (45N1011) is a genuine, tested Lenovo replacement battery available at N.N Laptops, Hafeez Center, Lahore for Rs. 14,799. It's a 94Wh 9-cell removable pack rated at 11.1V and fits ThinkPad X220, ThinkPad T420, ThinkPad T430. Comes with our 30-day check warranty plus Lahore delivery and nationwide.

Full specifications

Compatibility — which laptops does this battery fit?

This 94Wh 9-cell removable battery is a direct OEM replacement for the following Lenovo laptops:

• ThinkPad X220
• ThinkPad T420
• ThinkPad T430
• ThinkPad T520
• ThinkPad T530
• ThinkPad W520

Match the OEM part number on the sticker of your current battery before ordering. If your old battery part number isn't on this list but the laptop is, message us — there are often three or four interchangeable part numbers per chassis. On WhatsApp 0314 4000131, Sayam can cross-check your model and recommend the right pack.

Battery health — what we test before shipping

Every battery on our shelf goes through a 5-point test before listing:

• Capacity — we measure actual usable Wh and only ship packs at 95%+ of rated capacity.
• Cycle count — read from the embedded BMS chip; we don't sell anything over 100 cycles.
• Cell balance — all 9-cell internal cells within 50mV of each other.
• Charge/discharge cycle — verified full cycle without thermal anomaly.
• Visual — no swelling, no bulging, no scorched contacts.

All batteries are bench-tested on a calibrated load tester. We photograph the cycle readout and share it with you on WhatsApp before purchase — that's the level of transparency you get at N.N Laptops.

Installation — how to swap the battery

Internal 9-cell batteries on modern Lenovo laptops require opening the back panel (8-12 Phillips screws, sometimes Torx T5). Disconnect the AC adapter, unscrew the panel, locate the battery connector on the board, gently lift the ribbon connector latch, unscrew the battery hold-down screws, lift out the old pack, and reverse the steps with the new one. Total time: 10-15 minutes.

Free installation in shop

If you're in Lahore, bring the laptop to Hafeez Center — installation is free with battery purchase. We'll also calibrate the new pack (full charge → full discharge → full charge) so Windows / macOS reads the correct capacity from day one.

Real-world battery life — what to expect

With this 94Wh pack and balanced Windows / macOS settings (70% brightness, Wi-Fi on, mixed use), expect:

• Web + Office work: 5-7 hours
• Video playback: 6-8 hours
• Code compilation / Photoshop: 2-3 hours
• Gaming or heavy GPU load: 60-90 minutes

These figures match Apple / Dell / HP / Lenovo published specs for the listed models. If your old battery was giving you 2 hours, the new one will restore the original full runtime. For maximum life, enable battery saver mode and reduce screen brightness when on the go.

Why choose the 9-cell over a 6-cell?

The 9-cell pack (94Wh) delivers roughly 50% more runtime than a standard 6-cell (around 62Wh). If you travel frequently or work away from power outlets for hours, the extra weight (about 100 grams) is worth it. It protrudes slightly from the back of the laptop but also acts as a built-in stand, tilting the keyboard for better typing angle.

Where to buy in Lahore — and warranty terms

Visit us at Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore. We test the new pack on your laptop before you buy — if Windows / macOS reads the correct cycle count and design capacity, you walk out happy. Lahore deliveries are same-day within city limits; nationwide via TCS / Leopards covers Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, and Sialkot in 1-3 working days. WhatsApp 0314 4000131 to confirm stock.

Browse all our laptop batteries, laptop chargers, complete laptop parts catalogue at nnlaptops.com.

Warranty — what you're protected against

Every battery carries our 30-day check warranty. If the pack fails to charge, shows wrong capacity in Windows / macOS, drops below 85% of rated Wh in our diagnostic, or develops any swelling within 30 days, bring it back to the shop with the invoice for full replacement or refund. No questions asked within the warranty window.

Frequently asked questions

Is this a genuine OEM battery or aftermarket?

Our stock comes in both genuine Lenovo pulls (tested cells, original casing, often the higher price) and high-grade A-class compatible cells (tested for capacity at 95%+ of rated Wh). Tell us which you want on WhatsApp 0314 4000131 — both carry the same 30-day check warranty.

Do I need to take the laptop apart to install the 9-cell battery?

Internal batteries need the back panel removed — typically 8-12 Phillips screws, then disconnect the old battery cable, swap, and reseat. We do free in-shop installation in Lahore if you bring the laptop. Removable 6-cell / 9-cell batteries on older laptops just slide in/out with a latch — no tools needed.

How much battery backup will I get on my ThinkPad X220?

With this 94Wh pack at default Windows balanced settings, expect 5-7 hours of mixed-use battery life (web, Office, video). Brightness at 70%, Wi-Fi on, no heavy GPU workload. Gaming or compiling drains in 90-120 minutes — that's normal for any laptop battery this size.

Will the laptop recognise this battery in Windows / macOS?

Yes — every battery we sell is BMS-flashed with the correct cell-pack ID for the laptop, so Windows / Lenovo Vantage / Dell Power Manager / macOS Battery Health show full information including cycle count and design capacity. No 'plugged in, not charging' driver errors.

What is the Lenovo ThinkPad X220 / T420 / T430 9-Cell Extended Battery (45N1011) price in Pakistan 2026?

At N.N Laptops, the current price is Rs. 14,799. This is for a bench-tested, genuine pack with 30-day warranty. Prices may fluctuate with the dollar, but we always update nnlaptops.com with the latest.

N.N Laptops — Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore. WhatsApp / Call 0314 4000131. Same-day Lahore delivery, with nationwide delivery via TCS / Leopards, 30-day check warranty.