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Rectangular black lithium-ion laptop battery with label showing 11.1V 35Wh

Beisite

Beisite C32-TAICHI21 11.1V 35Wh laptop battery

SKU CH-KBSF-M238G

Replacement lithium-ion battery delivering 11.1V and 35Wh for Asus Taichi 21 ultrabook models including CW001H, DH71 and DH51

  • Battery typeLithium-Ion
  • Battery voltage rating11.1 V
  • Battery capacity35 Wh
  • Product colorBlack
  • Product typeBattery
  • Compatible withFor Taichi 21 21-CW001H 21-DH71 Ultrabook
  • Restores mobility with 35Wh lithium-ion capacity
  • Matches original 11.1V voltage for stable operation
  • Replaces multiple part numbers including 0B200-00170000M
  • Fits Taichi 21 series ultrabooks including 21-DH71
  • Brand-new condition ensures full performance from first use

Replacement battery for Taichi 21 ultrabooks

This lithium-ion pack restores original runtime to Asus Taichi 21 series convertibles including the 21-CW001H, 21-CW001P, 21-CW002H, 21-CW003H, 21-CW004H, 21-CW005P, 21-CW009H, 21-DH51, 21-DH71 and 21-UH51 models. It replaces part numbers C32-TAICHI21, CKSA332C1, 0B200-00170000M and 0B200-00170100P. Buyers with other Asus ultrabooks or non-Taichi 21 chassis cannot use this battery.

Thermals and power behaviour

The 11.1 V, 35 Wh cell operates within the thermal envelope designed for the Taichi 21 platform, so heat output and fan activity remain consistent with the factory battery. Lithium-ion chemistry delivers stable voltage through the discharge cycle without introducing extra load on the system’s power regulation. No additional cooling or power-adapter changes are required.

Build and daily handling

The black hard-shell casing matches the OEM form factor and clips into the existing battery bay without tools or modifications. A single connector aligns with the motherboard header, allowing a straightforward swap that preserves the ultrabook’s original profile and weight balance. Users who need hot-swap capability or a secondary battery for extended off-grid sessions will find this pack does not support those workflows.

How it compares

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

Price $40.99
Pricier than about 72% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameC32-TAICHI21
Model nameC32-TAICHI21
Part number0B200-00170000M, 0B200-00170100P
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.1 V
Battery capacity35 Wh
Compatibility
Compatible withFor Taichi 21 21-CW001H 21-DH71 Ultrabook

Questions about this item

How do I install the C32-TAICHI21 battery in my Taichi 21 ultrabook and what step do people often miss?

Power off the laptop, disconnect the AC adapter, remove the bottom case screws, detach the old battery connector, fit the new 11.1V 35Wh pack, reconnect the cable, replace the case and screws, then charge fully before first use.

What maintenance or replacement will the C32-TAICHI21 lithium-ion battery need later?

The 35Wh lithium-ion pack will gradually lose capacity over hundreds of charge cycles; when runtime drops below your needs, replace it with another C32-TAICHI21 or compatible 0B200-00170000M unit.

What limit appears first during sustained use of the 11.1V 35Wh battery?

The 35 watt-hour capacity sets the runtime ceiling; under continuous load the pack will deplete before any thermal or voltage limit is reached.

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