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Rectangular black lithium-polymer battery pack with label showing 11.4V 3600mAh

Dr. Battery

Dr. Battery 00HW021 laptop battery for Lenovo ThinkPad P40 Yoga / Yoga 460 11.4V 3600mAh

SKU CH-RQM2-50WR6

A replacement Li-polymer battery for Lenovo ThinkPad P40 Yoga and Yoga 460 laptops, rated at 11.4V and 3600mAh with integrated over-charge, over-discharge, overheating and short-circuit protection

  • Battery typeLi-polymer
  • Battery voltage rating11.4 V
  • Battery capacity3,600 mAh
  • Main functionNotebook
  • Measurements8.0 × 1.5 × 0.8
  • Product typeBattery
  • Compatible with ThinkPad P40 Yoga and Yoga 460 models
  • 4V 3600mAh Li-polymer capacity powers mobile workloads
  • Integrated protection guards against over-charge over-discharge overheating short-circuit
  • Professional Series built with OEM-grade cells for stable performance
  • Replaces Lenovo part numbers 00HW020 00HW021 SB10F46458 SB10F46459

Compatible ThinkPad models

This Dr. Battery Professional Series unit replaces the original battery in Lenovo ThinkPad P40 Yoga and ThinkPad Yoga 460 Series laptops. It matches part numbers 00HW020, 00HW021, SB10F46458 and SB10F46459 for direct compatibility. Business professionals and mobile users receive a reliable power source for daily productivity.

Thermals and safety circuitry

The Li-polymer pack operates at 11.4V with a 3600 mAh capacity to deliver stable runtime. Integrated protection guards against over-charge, over-discharge, overheating and short-circuit during normal use. OEM-grade cells maintain consistent output without excessive heat buildup inside the chassis.

Upgrade scope and limits

This battery restores factory runtime for the listed ThinkPad models when the original pack no longer holds charge. It does not increase capacity beyond the 3600 mAh specification or add features absent from the original design. Buyers needing higher capacity or a different voltage must select another part number.

How it compares

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

Price $47.99
Pricier than about 80% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameLenovo
Model nameLenovo ThinkPad P40 Yoga Series / Lenovo ThinkPad Yoga 460 Series
Part numberDR-PRO-LLN305L-B
Product typeBattery
Power
Battery typeLi-polymer
Battery voltage rating11.4 V
Battery capacity3,600 mAh
Size & build
Measurements8.0 × 1.5 × 0.8
Compatibility
Compatible withLenovo ThinkPad P40 Yoga / Lenovo ThinkPad Yoga 460
More details
Main functionNotebook

Questions about this item

How do I install the battery in my ThinkPad P40 Yoga, and what step do people miss?

Power off the laptop, remove the bottom case screws, disconnect the old battery cable, connect the new 11.4V pack, then reassemble; the step often missed is disconnecting the cable before lifting the old battery out.

What maintenance or replacement will this 3600 mAh Li-polymer pack need later?

No scheduled maintenance is required; replace the battery when run-time no longer meets your workload.

What limit appears first during sustained use of this 11.4V battery?

Integrated safety circuitry will cut power if the pack overheats, over-charges, over-discharges, or detects a short-circuit.

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