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Rectangular black lithium-ion laptop battery, 45Wh 11.1V

Beisite

Beisite L20C3PF0 L20M3PF0 L20L3PF0 45Wh 11.1V laptop battery

SKU CH-HPJC-Z6P59

Replacement lithium-ion battery for Lenovo IdeaPad 3 14, 15 and 17-inch models, 11.1V 45Wh

  • Battery typeLithium-Ion
  • Battery voltage rating11.1 V
  • Battery capacity45 Wh
  • Product colorBlack
  • Product typeBattery
  • Compatible withFor IdeaPad 3 3-14ITL6 / 3-15ITL6 / 3-15ALC6 / 3-17ALC6 / 3-
  • Ready-to-install replacement for Lenovo IdeaPad 3 series
  • 45 Wh lithium-ion cell delivers 11.1 V nominal power
  • Matches original part numbers L20C3PF0, L20L3PF0, L20M3PF0
  • Supports 14, 15 and 17 inch IdeaPad 3 models
  • Brand-new condition with 12-month supplier warranty

Replacement Battery for IdeaPad 3

This lithium-ion pack delivers 45 Wh at 11.1 V and fits several IdeaPad 3 models across 14, 15 and 17 inch chassis. It replaces part numbers L20C3PF0, L20L3PF0, L20M3PF0, 5B11B36275, SSB11B36277 and 31CP6/54/90. The unit ships new with a 12-month warranty.

Upgrading from a depleted original

Swap this in when the factory cell no longer holds a useful charge or when the laptop shuts down under load. The jump is worth it if the original battery is below 80 % design capacity or if run-time has dropped below two hours of typical use. It restores the original 45 Wh rating without changing form factor.

Limits of the 11.1 V lithium-ion standard

Capacity is fixed at 45 Wh, so extended sessions away from mains power remain constrained by that figure. The pack uses the same voltage rail as the original, so no firmware update is required, but it cannot exceed the laptop's built-in charge controller limits. Buyers needing longer unplugged time must carry a spare or use a USB-C power bank.

How it compares

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

Price $41.99
Pricier than about 73% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameL20M3PF0 L20C3PF0 L20C3PF0
Model nameL20M3PF0 L20C3PF0 L20C3PF0
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.1 V
Battery capacity45 Wh
Compatibility
Compatible withFor IdeaPad 3 3-14ITL6 / 3-15ITL6 / 3-15ALC6 / 3-17ALC6 / 3-17ITL6 Series

Questions about this item

Will the 11.1 V, 45 Wh pack fit inside my IdeaPad 3 14ITL6 chassis?

The battery is built to the original L20C3PF0 / L20M3PF0 / L20L3PF0 form factor, so it seats in the same compartment as the factory unit on 14-inch, 15-inch and 17-inch IdeaPad 3 models.

What is the correct order to connect the cable when swapping the L20M3PF0 unit?

Disconnect the old pack from the motherboard first, then plug the new battery connector firmly into the same socket before reassembling the base cover.

How long does the 12-month warranty cover the 45 Wh lithium-ion cell?

The supplier provides a 12-month warranty from purchase date, covering defects in materials or workmanship for the replacement battery.

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