Lenovo L21C3PD5 46.5Wh Battery
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  • Lenovo L21C3PD5 46.5Wh Battery
  • Lenovo L21C3PD5 46.5Wh Battery

Lenovo L21C3PD5 46.5Wh Battery

$85.00
✅ Built-in protection: overcharge, over-discharge, short circuit, overcurrent & temperature safety.
🔋 Reliable power for work, study, or travel.
🚚 Free Shipping | 🛠️ Installation tools included
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Lenovo L21C3PD5 46.5Wh Battery

Lenovo L21C3PD5 46.5Wh Battery

$85.00
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  Free Shipping on All Orders

Enjoy free shipping on every order, and we ship within 1 business day.

  30-Day Return Period

Not satisfied or not the right fit? Return within 30 days. All products include a 1-year warranty.

Restore peak performance and reliable untethered operation to your Lenovo ThinkBook series laptop. Designed specifically as a direct replacement for the original manufacturer component, this 46.5Wh (3995mAh) battery utilizes premium-grade power cells to deliver steady energy output, exceptional runtime longevity, and built-in multi-protection against overcharging, overheating, and short circuits.

Key Technical Specifications

  • Item Condition: Brand New (Direct from ISO-certified factory)
  • Battery Type: Li-ion
  • Capacity: 3995mAh / 46.5Wh
  • Voltage: 11.64V
  • Cell Count: 3 Cells
  • Color: Black
  • Package included:1 x Battery for Lenovo
  • Warranty & Protection: 12-Month Replacement Warranty, 30-Day Money-Back Guarantee, built-in intelligent safety management chips.

Fully Compatible Part Numbers & Models

This replacement battery is engineered to match factory specifications for the following Lenovo part numbers and laptop models (partial list):

Compatible Part Numbers:
L21C3PD5, L21L3PD5, L21M3PD5, 5B11E40207, 5B11E40206, SB11E40211, SB11E40211X1, SB18C04740

Compatible Device Models:
Lenovo ThinkBook Series: ThinkBook 14 G4+ IAP (Model: 21CX) and compatible variants.

Important Fitment Note: To ensure absolute compatibility, please verify your original battery's physical shape, voltage, connector orientation, and part number match our listing details before placing your order.

Frequently Asked Questions (FAQ)

Q: Will this replacement battery sync correctly with Lenovo Vantage power management?

A: Yes. It features an integrated smart microchip that communicates seamlessly with Lenovo's system firmware, ensuring precise battery percentage tracking and safe power thresholds.

Q: How should I break in a brand-new laptop battery for optimal health?

A: Charge the battery to 100% upon installation, then use the laptop until the level drops to about 10–15% before recharging it fully. Completing this cycle 2 or 3 times helps calibrate the internal smart chip for maximum long-term capacity.

Q: What support and warranty terms are included?

A: Every purchase is backed by our comprehensive 12-month replacement warranty and a 30-day money-back guarantee. Our customer support team is available to help resolve any technical questions quickly.

Battery-UP-Lenovo-L21C3PD5-46.5Wh
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FAQ — Lenovo L21C3PD5 46.5Wh Battery

If your laptop shows multiple issues below, your battery may be failing. Tick the boxes that match your experience:













Yes — most likely. For 100% certainty, check either your laptop model or your original battery part number.

Free Compatibility Check: At checkout, add your model or part number in the order notes (or email us after ordering). We’ll verify before shipping. If something doesn’t match, we’ll correct the order so you get the right battery the first time.

  • On the laptop: Label/sticker on the underside or side (look for “Model”, “P/N”).
  • On the battery: Printed part number on the battery label (if removable).
  • Windows: Win + R → msinfo32 to see “System Model”.
  • Windows: Ctrl + F
  • macOS: ⌘ + F
  • iOS Safari: Share → “Find on Page”
  • Android: Menu → “Find in Page”

30-day easy returns and a 12-month warranty against defects.

Free shipping on all orders. Tracking provided once dispatched.

Typical install takes 15–25 minutes. A basic tool kit is included. Power off, unplug the charger, and handle the battery by the edges only.

We accept major credit cards and PayPal via secure checkout.

Not always. Fast draining can be caused by background apps, settings, or an old battery. If your battery lasts less than 30–60 minutes unplugged, it’s usually time to replace it.

Yes, in most cases. This is a common sign of a worn-out battery. A new compatible battery should restore normal portable use.

Many laptops limit charging to 80–95% to extend battery life. If it’s stuck much lower, the battery may be failing and should be replaced.

Check seating and contacts first. If the issue continues, the battery is likely faulty and replacing it will usually solve the problem.

Yes, but long-term constant charging can reduce battery lifespan. Unplug and run on battery once or twice a week to keep it healthy.

Most laptop batteries last about 2–4 years or 300–500 charge cycles, depending on usage and care.

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