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Mobik

Mobik L20C4P71 Battery Replacement for Lenovo ThinkPad X1 Carbon/Yoga | 57Wh 4-Cell

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$82.10

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

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Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Power up with a trusted Mobik replacement battery

Designed for Lenovo ThinkPad X1 Carbon 9th and 10th Gen, along with ThinkPad X1 Yoga 6th and 7th Gen, this Mobik battery delivers dependable energy when you need it most. With a 57Wh capacity and a 15.44V rating in a compact four‑cell Li‑ion pack, you can rely on steadier uptime during workdays, commutes, and downtime alike.

Key specs include 57Wh (3695mAh) capacity, four Li‑ion cells, and compatibility with multiple part numbers to cover a wide range of ThinkPad configurations. The pack is designed for up to around 500 recharge cycles over its life, and it comes with the necessary screwdrivers to help with a confident swap. Each Mobik battery is crafted to meet safety and performance standards, and the product is UL, CE, FCC, and RoHS certified for peace of mind.

What you get and how it helps

  • Compatible with: L20C4P71, L20D4P71, SB10T83217, 5B10W13974, SB10T83216, 5B10W13973, L20M4P71, SB10T83218, 5B10W13975, L20L4P71, SB10T83215, 5B10W13972, 4ICP5/41/108
  • Designed for: Lenovo ThinkPad X1 Carbon 9th/10th Gen and X1 Yoga 6th/7th Gen
  • Safety and protection: short circuit, overheat, and overload protections with UL/CE/FCC/RoHS compliance
  • Real-world benefits: enhanced daily reliability, stable power during long meetings, and consistent performance on the go

Real-life use scenarios

Imagine a business trip where the ThinkPad remains powered through back-to-back meetings, presentations, and note-sharing. On long commutes, you can run video calls, edit documents, and stream content with less worry about recharging. In everyday office use, you’ll experience steady performance without sudden drops in capacity.

Why choose Mobik

  • 24x7 email support for questions, orders, or compatibility concerns
  • Transparent specs: 15.44V, 57Wh (3695mAh), 4-cell Li‑ion chemistry
  • Includes installation tools and clear compatibility notes to simplify replacement

Notes on expectations: benefits may vary with usage, device care, and original battery health.

FAQ

Q: Is this battery compatible with my Lenovo ThinkPad X1 Carbon or X1 Yoga?

A: Yes. It supports X1 Carbon 9th/10th Gen and X1 Yoga 6th/7th Gen with the listed part numbers.

Q: What safety and quality assurances come with Mobik batteries?

A: UL, CE, FCC, and RoHS certifications back safety; designed with protections against short circuits, overheating, and overload.

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