Current model — 2021-23 active

Lenovo L21M4PC2 / L21C4PC2 / L21D4PC2 Battery
for Lenovo ThinkPad T14, Legion 5, IdeaPad 5 (2021–2023)

Genuine Lenovo-grade L21M4PC2 cell — replaced at your doorstep in Hyderabad. Battery dead at 30 minutes? Bottom case bulging? Stop using it — swollen lithium cells can rupture. We replace, calibrate, and test before leaving. ₹6,500–₹11,500 including fitting + free diagnosis.

Book L21M4PC2 Replacement → WhatsApp Us
ThinkPad T14 Gen 3/4 Legion 5 / 5 Pro IdeaPad 5 Yoga 7i / Slim 7i Pro X L21 family Intel 12-13 gen / Ryzen 6000-7000

Get a L21M4PC2 Quote

Free issue check included — we’ll be in touch shortly

₹149 visit + on-site check
L21M4PC2 specifications

Cell specs at a glance

Capacity
5,182 mAh
Voltage
15.36 V
Energy
80 Wh
Cells
4-cell Li-polymer
Chemistry
Li-polymer
Cycle life
1,000+
Part Numbers
L21M4PC2, L21C4PC2, L21D4PC2, SB10W51937
Warranty
30 days
Compatibility

About this L21M4PC2 battery

One cell — many Lenovo laptops. Here’s how to tell if L21M4PC2 is your part.

Lenovo ThinkPad T14 Gen 3 / Gen 4 (2022–2023)

Intel 12th/13th gen and AMD Ryzen 6000/7000 PRO variants. L21M4PC2 is the standard 80Wh cell.

Lenovo Legion 5 / Legion 5 Pro (2022–2023)

Gaming laptops with RTX 30/40-series GPU. 80Wh battery balances gaming runtime and weight.

Lenovo IdeaPad 5 / Slim 5 (2022–2023)

Mainstream ultrabook line. Same L21M4PC2 4-cell across multiple chassis.

Lenovo Yoga 7i / Yoga Slim 7i Pro X

2-in-1 convertible variants in the L21 cell family.

ThinkPad X1 Carbon Gen 10 / Gen 11 (where applicable)

Premium ultrabook chassis — some configurations use L21M4PC2 or L21D4PC2 variants.

Not sure?

Look at the bottom of the laptop or in Lenovo Vantage app under Battery info. Or WhatsApp us a photo of the existing battery sticker.

Common symptoms

When to replace your Lenovo L21M4PC2 battery

Holds < 30 min charge

Capacity has dropped below 50%. Time for a fresh cell.

Bottom case bulging

Swollen cell — stop using immediately. Risk of rupture.

Sudden shutdowns

Laptop shuts off even with charge shown. Worn cell can’t deliver burst current.

Won’t charge

Plugged in, not charging. Could be cell, charger, or DC jack — we diagnose free.

How it works

Doorstep L21M4PC2 battery replacement — same day

1

WhatsApp / Call

Send photo of your laptop bottom sticker. We confirm L21M4PC2 part match.

2

Doorstep visit

Engineer arrives with genuine cell + tools. ₹149 visit covers travel.

3

Fit + calibrate

30–60 min fitting + first-cycle calibration + post-install test.

4

30-day warranty

Warranty on labour. Manufacturer warranty on the cell. No Fix — No Fee.

Transparent pricing

Lenovo L21M4PC2 battery price in Hyderabad

L21M4PC2 battery (genuine cell)
₹6,500–₹11,500
Genuine Lenovo-grade cell + fitting + calibration + 30-day warranty
Compatible cell (where stocked)
₹3,575–₹7,475
OEM-equivalent capacity. Same fit, same warranty.
Doorstep visit
₹149
Covers travel + free diagnosis. Waived if you book the repair.
Other Lenovo batteries

Choose your Lenovo battery model

Same store, same engineer, different cell. Pick the part that matches your laptop.

L19M4PF4 — ThinkPad E14 / E15 (2020–22) L18M3PEC — IdeaPad 330S / ThinkPad E490 (2018–20) L17M3PG3 — Legion Y530 / Y540 (2017–19) 45N1126 — ThinkPad T440 / T450 / X240 (Retired) All Lenovo Service →
FAQs

Lenovo L21M4PC2 battery — common questions

How can I tell if my Lenovo needs a L21M4PC2 battery?+
Look at the existing battery for the model number, or check Lenovo Vantage app under Battery info. If it says L21M4PC2 or L21M4PC2 / L21C4PC2 / L21D4PC2, this is your part. WhatsApp us a photo of the sticker if unsure — we confirm in minutes. Lenovo ThinkPad T14, Legion 5, IdeaPad 5 (2021–2023).
Is the Lenovo L21M4PC2 battery genuine OEM?+
We stock genuine Lenovo-grade cells, not the cheap clones sold on Amazon that swell within 6 months. The cell is shown to you before fitting. 30-day warranty on labour, manufacturer warranty on the battery itself.
How much does Lenovo L21M4PC2 battery replacement cost in Hyderabad?+
₹6,500–₹11,500 including fitting + free diagnosis. Final price confirmed at the doorstep visit before any work begins. No Fix — No Fee. Same-day fit if part is available.
My ThinkPad battery is swollen / bottom case bulging. Is it dangerous?+
Yes — stop using it. Swollen lithium cells can rupture or catch fire. Symptoms: case bulging, trackpad lifting, laptop wobbling on flat surface. We collect from your address (₹149 visit), replace with genuine cell, and dispose of the old swollen battery safely.
Do you offer doorstep service for Lenovo batteries across Hyderabad?+
Yes — same engineer collects, fits at your address or our store, and tests before leaving. ₹149 visit charge covers travel + free diagnosis. Service across all 50+ Hyderabad zones — Banjara Hills, Madhapur, HITEC City, Gachibowli, Kondapur, Begumpet, Kukatpally, Dilsukhnagar, Old City, and more.
How long does Lenovo battery replacement take?+
30–60 minutes including diagnosis, calibration, and post-install testing. Same-day if the cell is available (most common Lenovo batteries are). Specialised cells may need 24–72 hour sourcing.
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Need a fresh Lenovo L21M4PC2 battery?

Same-day doorstep fit. Genuine cell. 30-day warranty. ₹6,500–₹11,500 all-in.

Book L21M4PC2 Replacement → WhatsApp 7702503336