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Rectangular black laptop battery pack with label visible

Total Micro Technologies

Total Micro Technologies laptop battery Lenovo ThinkBook 14 15

SKU CH-EZR9-Y866Z

Replacement battery compatible with Lenovo ThinkBook 14 and 15 models

  • Compatible with ThinkBook 14 and 15 series laptops
  • New battery restores original run-time on supported models
  • Replaces factory pack for G3, G4 and G5 generations
  • Total Micro Technologies built to match OEM specifications

Compatible ThinkBook models

This Total Micro Technologies replacement battery fits Lenovo ThinkBook 14 and 15 models from the G3, G4 and G5 generations. It is a new component designed to restore original run time for these specific laptops. The part targets users whose internal battery no longer holds a useful charge.

Not for other laptops

Buyers with different Lenovo series or other brands cannot use this battery. It also does not suit owners of earlier ThinkBook generations or later releases outside the listed range. Anyone needing an AC adapter instead of a battery should look at a different product.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $79.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameTotal Micro

Questions about this item

Should I pick the 14 or 15 inch version for my ThinkBook?

Match the number in your model name — G3, G4 or G5 followed by 14 or 15 — to the corresponding battery listing.

What runtime can I expect once this battery is installed?

Runtime matches the original Lenovo specification for each ThinkBook 14 or 15 generation; actual hours depend on workload, screen brightness and power settings.

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