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Black rectangular lithium-ion laptop battery with connector on one end

KingSener

KingSener L18C4PF0 laptop battery 15.36V 45Wh

SKU CH-5XGN-7TX05 MPN L18C4PF0

Replacement lithium-ion battery delivers 45 Wh at 15.36 V for Lenovo ThinkBook 13S and 14S IML and IWL series

  • Battery voltage rating15.36 V
  • Battery capacity2,964 mAh/45WH
  • 45 Wh capacity supports longer unplugged sessions
  • 36 V rating matches original Lenovo ThinkBook specifications
  • Replaces ten OEM part numbers including 5B10S73499 and SB10W67315
  • Compatible with 13-inch and 14-inch ThinkBook IML and IWL series
  • Lithium-ion cells deliver reliable recharge cycles

Replacement battery for ThinkBook 13S and 14S series

This KingSener L18C4PF0 battery replaces the original power pack in Lenovo ThinkBook 13S-IML, 13S-IWL, 14S-IML and 14S-IWL models. It delivers 15.36 volts and 45 watt-hours of lithium-ion energy for owners who need a fresh cell after the factory unit has worn out.

Thermals and power draw in daily use

The 2964 milliampere-hour lithium-ion cell runs at the same 15.36 volt rating as the original, so power consumption and heat output remain unchanged during normal office workloads. No additional cooling or fan noise is introduced by the swap.

Build quality and connector fit

The black replacement pack uses the identical part numbers listed by Lenovo, ensuring the connector aligns with the motherboard socket and the battery bay latches securely. Buyers who need a different voltage, capacity or form factor will not be served by this unit.

How it compares

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

Price $32.99
Pricier than about 57% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameKingSener
Model nameL18C4PF0 L18M4PF0
Part numberL18C4PF0 L18M4PF0 L18D4PF0 5B10S73499 5B10S73500 5B10S73501 5B10W67315 SB10W67202 SB10W67259 SB10W67351
Power
Battery voltage rating15.36 V
Battery capacity2,964 mAh/45WH

Questions about this item

How do I install the L18C4PF0 battery in my ThinkBook 13S-IML and what step is often missed?

Power off the laptop, remove the base screws, disconnect the old battery connector, fit the new 15.36V pack, reconnect the cable firmly, then replace the cover. The step most people skip is disconnecting the old battery before removing it.

What maintenance or replacement will the L18C4PF0 need over time?

The 2964 mAh Li-Ion pack gradually loses capacity; plan to replace it when runtime no longer meets your needs. No user-serviceable parts are inside.

What limit appears first during sustained use of the L18C4PF0?

The 45 Wh capacity sets the runtime ceiling; under continuous load the battery will deplete before any thermal limit is reached.

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