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Rectangular black laptop battery with label showing model 5B10W51877-TM

Total Micro Technologies

Total Micro Technologies 5B10W51877-TM 4-Cell 57WHr 15.36V laptop battery

SKU CH-4TK1-06F5E MPN 5B10W51877-TM

A 4-cell 57 WHr replacement battery for Lenovo ThinkPad T14s Gen 3 and Gen 4

  • Product typeBattery
  • Compatible withThe Lenovo ThinkPad T14s Gen 3, T14s Gen 4.
  • 57 WHr capacity supports extended mobile work
  • 4-cell lithium-ion design balances runtime and weight
  • 36 V output matches original Lenovo specifications
  • Compatible with ThinkPad T14s Gen 3 and Gen 4
  • New Total Micro replacement battery ready for immediate use

Compatible replacement battery

This Total Micro Technologies 5B10W51877-TM is a new 4-cell laptop battery built for the Lenovo ThinkPad T14s Gen 3 and T14s Gen 4. It restores mobile power when the original pack no longer holds a charge.

57WHr 15.36V capacity

The single specification that decides fit is the 57WHr 15.36V rating combined with the 4-cell layout. Only ThinkPad T14s Gen 3 or Gen 4 models that accept this exact voltage and capacity will work correctly.

Suits owners of supported ThinkPads

Buyers with a ThinkPad T14s Gen 3 or Gen 4 needing a direct swap can use this pack. Owners of other ThinkPad series, different generations, or laptops requiring a different cell count or voltage should look elsewhere.

How it compares

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

Price $91.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameTotal Micro
Model name5B10W51877-TM
Part number5B10W51877-TM
Product typeBattery
Size & build
Shipping weight0.45 kg
Package size356 × 140 × 51 mm
Compatibility
Compatible withThe Lenovo ThinkPad T14s Gen 3, T14s Gen 4.

Questions about this item

What does the 57WHr rating mean for daily use on a ThinkPad T14s?

The 57WHr capacity is the factory-rated energy store; actual runtime depends on screen brightness, workload and power-profile settings in Windows.

Which connector standard does this 15.36V pack use to mate with the motherboard?

It uses the proprietary Lenovo ThinkPad battery connector designed for the T14s Gen 3 and Gen 4 chassis.

Will the four-cell form factor fit the internal battery bay without modification?

Yes, the pack is built to the exact dimensions of the original Lenovo 4-cell battery for those models.

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