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Rectangular black Lenovo laptop battery three cell 48Wh

Lenovo

Lenovo 3-Cell 48Wh 4210 mAh laptop battery

SKU CH-0YK3-3990W

A 3-cell lithium-ion notebook battery delivering 48 Wh and 4210 mAh capacity for compatible HP models

  • Battery TypeLithium-Ion
  • 3-cell design keeps weight low for portable use
  • 48 Wh capacity supports extended notebook runtime
  • 4210 mAh rating delivers reliable charge cycles
  • Lithium-Ion chemistry provides consistent power output
  • Rechargeable battery enables repeated use without replacement

Lenovo 3-Cell 48Wh Replacement Battery

This Lenovo 3-Cell battery supplies 48Wh of energy at 4210 mAh capacity. It uses Lithium-Ion chemistry and is rechargeable for repeated cycles. The unit is built as a direct replacement for compatible notebook systems.

Lithium-Ion Chemistry Cycle Limits

Lithium-Ion cells degrade with each full charge and discharge cycle. Capacity will gradually reduce over time and the pack cannot be restored once it falls below usable levels. Users must accept this gradual decline as normal behaviour.

4210 mAh Capacity Fit Check

The 4210 mAh rating decides whether this pack matches the original runtime requirement. Verify the part number 931719850TM against the notebook service manual before purchase. Builders needing a different capacity must select another unit.

Highlights

  • 3-cell design keeps weight low for portable use
  • 48 Wh capacity supports extended notebook runtime
  • 4210 mAh rating delivers reliable charge cycles
  • Lithium-Ion chemistry provides consistent power output
  • Rechargeable battery enables repeated use without replacement

Specifications

Battery TypeLithium-Ion

Questions about this item

Is the 48 Wh capacity the right choice for my notebook?

This pack stores 48 Wh and delivers 4210 mAh, matching the original specification for compatible HP notebooks.

How long will the 48 Wh rating last on a single charge?

Run-time depends on your notebook's power draw; the 48 Wh cell provides the same energy as the factory battery it replaces.

Does the lithium-ion chemistry limit how I can charge it?

The lithium-ion pack is rechargeable and works with the standard charging circuit in supported HP models.

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