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Rectangular black 9-cell laptop battery with label

NShi

NShi 9-Cell 98 Wh 57++ Laptop Battery

SKU CH-PWGR-0Z59G

Nine-cell 98 Wh lithium-polymer replacement battery compatible with Lenovo ThinkPad W540, W541, T440p, T450p, T540p, L440 and L540 models

  • Battery typeLithium Polymer
  • 98 Wh capacity delivers extended runtime for demanding workloads
  • 9-cell lithium-polymer design provides higher energy density than standard packs
  • Samsung cells ensure reliable performance and consistent discharge
  • CE FCC RoHS certified for safety and regulatory compliance
  • Direct replacement for 57++ part numbers across multiple ThinkPad models

98 Wh 9-Cell Replacement Battery

This 98 Wh lithium-polymer battery replaces Lenovo 57++ packs across ThinkPad W540 W541 T450p T540p T440p L440 L540 models. It matches part numbers 0C52864 0C52863 45N1152 45N1153 45N1162 45N1163 45N1145 45N1147 45N1149 and serves owners who need extended runtime on supported machines.

Thermals Noise and Power Draw

Lithium-polymer chemistry runs cool during typical office workloads and the pack produces no audible noise because it has no moving parts. Power draw follows the laptop’s own charge controller so the system manages current without extra heat from the battery itself.

Sustained Load Behaviour

The 9-cell layout delivers consistent voltage through long compile sessions or video exports without the sharp capacity drop seen in smaller packs. Samsung cells maintain stable output until the controller signals low charge and the pack is not suited for laptops outside the listed ThinkPad series or for users who need hot-swap capability.

How it compares

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

Price $53.99
Pricier than about 85% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium Polymer

Questions about this item

How do I install the 9-cell 57++ battery in my ThinkPad W540 and which step do people often miss?

Power off the laptop, disconnect the AC adapter, slide the release latch, remove the old pack, insert the new 98 Wh unit until it clicks, then re-engage the latch. People often forget to re-engage the latch, leaving the battery loose.

What maintenance will the 98 Wh lithium polymer pack need over its life?

No scheduled maintenance is required; the pack is sealed. Replace it when run-time drops below your needs, typically after several hundred charge cycles.

What limit appears first during sustained heavy use of this 98 Wh battery?

The 98 Wh capacity ceiling is reached first; once depleted the laptop will shut down or throttle until recharged.

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