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Rectangular black lithium-ion laptop battery with label showing 11.55V 50Wh

TOPKTEAM

TOPKTEAM HSTNN-LB8G SS03XL 11.55V 50Wh laptop battery

SKU CH-G5GS-9FAPN

Replacement lithium-ion battery delivering 11.55V and 50Wh for compatible HP EliteBook and ZBook models

  • Battery TypeLithium-Ion
  • 50 Wh capacity extends runtime between charges
  • 55 V lithium-ion chemistry matches original specifications
  • Replaces HP part numbers SS03XL and HSTNN-LB8G directly
  • Fits EliteBook 730 735 740 745 755 830 840 846 G5 and G6 models
  • 4113 mAh rating supports all-day mobile productivity

Replacement Battery for HP EliteBook and ZBook

This new lithium-ion battery replaces the original SS03XL and HSTNN-LB8G packs in compatible HP EliteBook 730, 735, 740, 745, 755, 830, 840, 846 G5 and G6 models as well as ZBook 14U G5 and G6 units. It delivers 11.55V and 50Wh capacity to restore mobile runtime. The pack is brand new and carries a one-year warranty.

Suitable for owners of listed HP models needing

Buyers whose laptop requires a different voltage, connector layout or physical dimensions should look elsewhere. This unit matches the specific part numbers SS03XL, 933321-855, 932823-2C1, HSTNN-LB8G, HSTNN-DB8J and HSTNN-IB8C only. It does not fit laptops outside the compatible series listed by the supplier.

11.55V 50Wh lithium-ion cell chemistry

The voltage and watt-hour rating determine whether this pack matches the original specification for your device. Verify that your current battery shows 11.55V and 50Wh before ordering. The 4113mAh rating corresponds to this energy capacity at the stated voltage.

Highlights

  • 50 Wh capacity extends runtime between charges
  • 55 V lithium-ion chemistry matches original specifications
  • Replaces HP part numbers SS03XL and HSTNN-LB8G directly
  • Fits EliteBook 730 735 740 745 755 830 840 846 G5 and G6 models
  • 4113 mAh rating supports all-day mobile productivity

Specifications

Battery TypeLithium-Ion

Questions about this item

How long does the 50 Wh lithium-ion cell last before it needs replacing?

The battery is a new 11.55 V 50 Wh lithium-ion pack rated at 4113 mAh; typical lithium-ion chemistry delivers several hundred full charge cycles before noticeable capacity loss.

What stops the battery from running longer on a single charge during heavy workloads?

The 50 Wh capacity is the hard limit; sustained high drain will deplete the 4113 mAh cell faster, so runtime scales directly with the power draw of the EliteBook or ZBook model.

Does the pack get hot or draw extra power when the laptop runs all day?

Normal operation stays within the 11.55 V design voltage; the lithium-ion cells generate modest warmth under load but no active cooling is required and the pack does not increase the system’s power draw beyond the laptop’s own consumption.

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