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Rectangular black laptop battery with connector strip

KingSener

KingSener 00HW003 laptop battery 15V 50WH for ThinkPad X1 Carbon Gen2 Gen3

SKU CH-AN77-9ZYT9 MPN 00HW003

Replacement 15 V 50 Wh lithium-ion battery for ThinkPad X1 Carbon Gen2 and Gen3 models

  • Battery Voltage15V
  • Battery Capacity3.29Ah/50WH
  • Delivers 50 Wh for extended runtime on ThinkPad X1 Carbon Gen2 and Gen3
  • Supplies 15 V output matching original Lenovo specifications for stable operation
  • Built with high-quality Li-ion cells and PCB for reliable capacity and longer running time
  • Replaces multiple Lenovo part numbers including 45N1700, 45N1701, 45N1702, 45N1703
  • Same dimensions as the original battery for direct installation without modifications

Compatible replacement battery

The KingSener 00HW003 is a new lithium-ion replacement battery built for Lenovo ThinkPad X1 Carbon Gen2 2014 and Gen3 2015 models. It matches part numbers 45N1700 45N1701 45N1702 45N1703 and 00HW002 SB10F46440 SB10F46441 so it fits without modification.

High-quality cells and PCB

The pack uses Li-ion cells made in China with a tested PCB that delivers the rated 3.29Ah 50WH at 15V. Supplier data states the full charge capacity is not less than the design capacity giving stable output and longer running time. Conditioning advice recommends two to three full charge discharge cycles at low current.

50WH capacity for daily mobility

At 50WH the battery supports typical office workloads and travel use on the supported ultrabooks. It will not suit users who need higher capacity packs or those with other ThinkPad generations. Storage guidance suggests keeping charge above 80 percent if the battery is removed for a month or more.

Highlights

  • Delivers 50 Wh for extended runtime on ThinkPad X1 Carbon Gen2 and Gen3
  • Supplies 15 V output matching original Lenovo specifications for stable operation
  • Built with high-quality Li-ion cells and PCB for reliable capacity and longer running time
  • Replaces multiple Lenovo part numbers including 45N1700, 45N1701, 45N1702, 45N1703
  • Same dimensions as the original battery for direct installation without modifications

Specifications

BrandKingSener
Model00HW003 SB10F46441
Part Number45N1702 45N1703 45N1700 45N1701
00HW003 00HW002
SB10F46441 SB10F46440
4ICP5/58/73-2
Battery Voltage15V
Battery Capacity3.29Ah/50WH

Questions about this item

How often should I cycle the KingSener 00HW003 battery to keep the 50WH capacity stable?

Fully charge and discharge the pack two or three times when it is new, then repeat a full cycle at least once per month if the laptop stays plugged in.

What limits runtime first when the 15V pack runs continuously under load?

The 3.29Ah cell rating sets the energy ceiling; once that 50WH reserve is depleted the laptop shuts down regardless of thermal headroom.

Does the replacement battery run hotter or draw more power than the original 45N1700 during all-day use?

The KingSener unit uses the same 15.2V 50WH specification, so heat output and power draw match the original design under identical workloads.

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