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Rectangular black Li-ion laptop battery with connector 11 16 21 40 71 100 133 7.68 7488 7489 7490 9245

KingSener

KingSener L21L4PG5 71Wh 7.68V standard battery for Lenovo IdeaPad Gaming Chromebook 16

SKU CH-KSGX-PB23Z MPN L21L4PG5

71Wh 7.68V Li-ion replacement battery compatible with Lenovo IdeaPad Gaming Chromebook 16 models

  • Battery capacity71 Wh/9245 mAh
  • Battery voltage rating7.68 V
  • 71Wh capacity powers extended gaming sessions
  • 68V lithium-ion chemistry matches original specifications
  • Replaces part numbers L21L4PG5 2ICP6/40/133-2 5B11J07490
  • Fits Lenovo IdeaPad Gaming Chromebook 16 and IP 5 Chrome 16IAU7
  • Brand-new replacement cell with 9245mAh rated capacity

Direct replacement for IdeaPad Gaming Chromebook 16

The KingSener L21L4PG5 is a 71Wh lithium-ion battery built to fit the Lenovo IdeaPad Gaming Chromebook 16 and the IdeaPad IP 5 Chrome 16IAU7. It restores original runtime for students and mobile professionals who rely on Chrome OS throughout the day.

Limited to devices using the 7.68V 2ICP6/40/133-2

This pack only works in laptops designed for the 7.68V 71Wh cell layout identified by part numbers 2ICP6/40/133-2, 5B11J07490, 5B11J07488, 5B11J07489, L21M4PG5, L21D4PG5 and L21C4PG5. It cannot power machines that require a different voltage, capacity or physical shape.

Straightforward swap with careful connector

Installation involves opening the chassis, disconnecting the old pack and plugging in the new one using the same cable. The most common issue is misaligning the multi-pin connector, which prevents the system from recognising the battery.

How it compares

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

Price $31.99
Pricier than about 86% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameKingSener
Model nameL21L4PG5
Part numberL21L4PG5
2ICP6/40/133-2
Power
Battery capacity71 Wh/9245 mAh
Battery voltage rating7.68 V

Questions about this item

Which KingSener model replaces my Lenovo IdeaPad Gaming Chromebook 16 battery?

The L21L4PG5 replaces part numbers L21L4PG5, L21M4PG5, L21D4PG5, L21C4PG5, 2ICP6/40/133-2, 5B11J07490, SB11J07488 and 5B11J07489 for the IdeaPad Gaming Chromebook 16 and IdeaPad IP 5 Chrome 16IAU7.

What runtime can I expect from the 71 Wh rating in daily use?

The 71 Wh / 9245 mAh capacity at 7.68 V restores the original factory runtime for the IdeaPad Gaming Chromebook 16, matching the OEM energy specification.

Does the 7.68 V specification match the laptop's charging circuit?

Yes, 7.68 V is the exact nominal voltage required by the IdeaPad Gaming Chromebook 16 charging system, so the battery communicates and charges correctly.

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