We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular 6 cell lithium ion laptop battery with black plastic casing and gold connectors

PowerWarehouse

PowerWarehouse 5B10W51893 6 Cell Lithium-Ion laptop battery for THINKPAD P16 GEN 1 GEN 2

SKU CH-9XT1-6R9XM

A 6-cell lithium-ion replacement battery delivering 11.52 V and 8120 mAh for ThinkPad P16 Gen 1 and Gen 2 models

  • CompatibilityTHINKPAD P16 GEN 1, THINKPAD P16 GEN 1 21D6, THINKPAD P16 GE
  • Battery Type6 Cell Lithium-Ion
  • Compatible with ThinkPad P16 Gen 1 and Gen 2 models
  • Replaces multiple OEM part numbers including 5B10W51893 and 5B11M90090
  • Six-cell lithium-ion design delivers 8120 mAh capacity
  • Operates at 11.52 V for stable power supply
  • Brand-new condition ensures full performance from first use

PowerWarehouse 6-Cell Battery for ThinkPad P16

This new lithium-ion replacement pack is built for ThinkPad P16 Gen 1 and Gen 2 mobile workstations. It matches the original 5B10W51893 part number and the listed OEM codes. Professionals who need a fresh power source for daily field work will find it a direct fit.

Sustained Output at 11.52 V and 8120 mAh

The six-cell design delivers 11.52 volts and 8120 milliampere-hours to support long sessions away from mains power. Voltage remains stable under continuous load from high-performance processors and discrete graphics. Capacity is rated for full discharge cycles rather than short bursts.

Verify Your Exact Model and Part Number First

Confirm the laptop label reads ThinkPad P16 Gen 1 21D6, 21D7 or Gen 2 21FA, 21FB before ordering. Cross-check the old battery sticker against part numbers 5B10W51893, 5B11M90090, SB10W51994, 5B10W51894, 5B11M90091 or SB10W51995. This pack will not suit other ThinkPad series or earlier generations.

Highlights

  • Compatible with ThinkPad P16 Gen 1 and Gen 2 models
  • Replaces multiple OEM part numbers including 5B10W51893 and 5B11M90090
  • Six-cell lithium-ion design delivers 8120 mAh capacity
  • Operates at 11.52 V for stable power supply
  • Brand-new condition ensures full performance from first use

Specifications

Part Number5B10W51893, 5B11M90090, SB10W51994, 5B10W51894, 5B11M90091, SB10W51995
CompatibilityTHINKPAD P16 GEN 1, THINKPAD P16 GEN 1 21D6, THINKPAD P16 GEN 1 21D7, THINKPAD P16 GEN 2, THINKPAD P16 GEN 2 21FA, THINKPAD P16 GEN 2 21FB
Battery Type6 Cell Lithium-Ion

Questions about this item

Does the 6-cell lithium-ion pack run hot or draw more power than the original during all-day use?

The battery is rated at 11.52 V and 8120 mAh, matching the OEM specification, so thermal behaviour and power draw remain the same as the factory unit.

Do I need a specific ThinkPad P16 Gen 1 or Gen 2 chassis for the 5B10W51893 to fit and connect?

Yes — the pack is designed for ThinkPad P16 Gen 1 (21D6, 21D7) and Gen 2 (21FA, 21FB) models; it will not fit other laptops.

Will the replacement battery charge correctly with the original ThinkPad AC adapter I already own?

The cell voltage and capacity match the OEM part numbers listed, so the existing ThinkPad charger will charge the battery normally.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.