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Black rectangular lithium-ion laptop battery for ThinkPad Z13 Gen 1 and Gen 2

Beisite

Beisite L21C3P73 L21M3P73 L21C3P72 L21M3P72 L21B3P71 battery for ThinkPad Z13 Gen 1 Gen 2 2022

SKU CH-8D6S-NDNQQ

Replacement lithium-ion battery delivering 11.61 V and 49.3 Wh or 51.5 Wh for ThinkPad Z13 Gen 1 and Gen 2 2022 series

  • Battery typeLithium-Ion
  • Battery voltage rating11.61 V / 11.64 V
  • Battery capacity49.3 W h / 51.5 W h
  • Product colorBlack
  • Product typeBattery
  • Compatible withFor ThinkPad Z13 Gen 1 (Type 21D2, 21D3) / ThinkPad Z13 Gen
  • Replaces multiple Lenovo part numbers for easy sourcing
  • Lithium-ion chemistry delivers 49.3 Wh or 51.5 Wh capacity
  • Rated at 11.61 V and 11.64 V for stable power
  • Fits ThinkPad Z13 Gen 1 and Gen 2 2022 series
  • Black finish matches the original laptop aesthetic

Replacement Battery for ThinkPad Z13 Gen 1 and Gen 2

This new lithium-ion battery replaces part numbers L21B3P71, L21C3P72, L21M3P72, L21C3P73 and L21M3P73. It fits ThinkPad Z13 Gen 1 Type 21D2 and 21D3 and Gen 2 Type 21JV and 21JW from the 2022 series. The black unit restores mobile power for compatible ultraportables.

Lithium-Ion Cell with 11.61V and 11.64V Ratings

The pack delivers a capacity of 49.3 Wh or 51.5 Wh depending on the specific revision. It installs internally using the original mounting points and connector layout. No extra cables or adapters are required for the swap.

Capacity Limited to 49.3 Wh or 51.5 Wh

Runtime will vary with workload, screen brightness and system power management. The battery does not support higher-capacity configurations beyond the listed figures. It is not suitable for ThinkPad models outside the Z13 Gen 1 and Gen 2 families.

How it compares

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

Price $49.99
Pricier than about 82% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameL21C3P73 L21M3P73 L21C3P72 L21M3P72
Model nameL21C3P73 L21M3P73 L21C3P72 L21M3P72
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.61 V / 11.64 V
Battery capacity49.3 W h / 51.5 W h
Compatibility
Compatible withFor ThinkPad Z13 Gen 1 (Type 21D2, 21D3) / ThinkPad Z13 Gen 2 (Type 21JV, 21JW) 2022 Series

Questions about this item

What voltage does the 11.61V / 11.64V lithium-ion battery deliver to the ThinkPad Z13?

The replacement battery operates at 11.61V or 11.64V, matching the original specification for ThinkPad Z13 Gen 1 and Gen 2 models.

Which part numbers confirm this battery fits the Z13 Gen 1 (Type 21D2, 21D3) and Gen 2 (Type 21JV, 21JW)?

It replaces Lenovo part numbers L21B3P71, L21C3P72, L21M3P72, L21C3P73, L21M3P73, 31CP5/82/70, 5B10W51881, 5B10W51882, 5B10W51883, SB10W51982, SB10W51983, SB10W51984.

What is the first step when installing this internal battery, and what do people often forget?

Power off the laptop, disconnect the AC adapter, then remove the base cover screws before disconnecting the old battery connector; people often forget to unplug the old battery before fitting the new one.

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