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Rectangular white lithium-ion battery pack for ThinkPad S2 13 Chromebook

Beisite

Beisite 01AV400/401/402/435/436/437 laptop battery ThinkPad S2 13 Chromebook 11.4V 42Wh

SKU CH-RW66-QHBS2

Replacement lithium-ion battery for ThinkPad S2 13 Chromebook delivering 11.4V and 42Wh capacity

  • Battery typeLithium-Ion
  • Battery voltage rating11.4 V
  • Battery capacity42 Wh
  • Product colorWhite
  • Product typeBattery
  • Compatible withFor ThinkPad S2 13 Chromebook
  • Restores full runtime with 42Wh lithium-ion cell
  • Matches 11.4V specification for safe ThinkPad operation
  • Replaces six OEM part numbers including 01AV435
  • Fits ThinkPad S2 2018 and ThinkPad 13 models
  • Brand-new battery supplied as single unit in package

Replacement battery for ThinkPad S2 13

This new lithium-ion unit delivers 42Wh at 11.4V and fits the ThinkPad S2 13 Chromebook and listed ThinkPad 13 models. It replaces part numbers 01AV400, 01AV401, 01AV402, 01AV435, 01AV436 and 01AV437. Buyers needing a different voltage or capacity cannot use this pack.

Package contents and compatibility

The box contains one battery only; no tools, screws or software are supplied. The supplier notes that the six part numbers are interchangeable despite voltage differences and will ship whichever is in stock. Users who require a specific part number must verify before ordering.

Installation notes

Fitting requires opening the laptop chassis and disconnecting the original pack, so basic disassembly skill is needed. The part-number list covers many 2018-era ThinkPad S2 and ThinkPad 13 variants, but models outside that range are not supported.

How it compares

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

Price $39.99
Pricier than about 71% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand name01AV400 01AV401 01AV402 01AV435
Model name01AV400 01AV401 01AV402 01AV435
Part number01AV435, 01AV436, 01AV437
Product colorWhite
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.4 V
Battery capacity42 Wh
Compatibility
Compatible withFor ThinkPad S2 13 Chromebook

Questions about this item

How many charge cycles before the 42Wh lithium-ion cell needs replacing?

The 11.4V 42Wh lithium-ion pack is rated for typical lithium-ion cycle life; expect replacement after several hundred full cycles when runtime drops below your needs.

What limits runtime first during a full-day workload on the ThinkPad S2 13 Chromebook?

The 42Wh capacity sets the hard ceiling; sustained loads will drain the pack in proportion to the system's power draw until the 11.4V output falls below the laptop's minimum.

Does the battery get hot or noisy when the ThinkPad 13 runs all day on the 11.4V pack?

The lithium-ion cell has no moving parts so it stays silent; warmth is normal under load but the pack is designed to operate within the laptop's thermal envelope.

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