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Rectangular black laptop battery with four cells and connector terminals

GreenTechLLC

GreenTechLLC L19M4PG2 5B10X63141 laptop battery 7.68V 51WHR 6642mAh 4 cell black

SKU CH-9G9G-BBKWN

Replacement battery for select Lenovo IdeaPad and ThinkPad Chromebook models, 7.68 V, 51 Wh, 6642 mAh, four-cell lithium-ion

  • ColorBlack
  • TypeBattery
  • CompatibilityIDEAPAD FLEX 5 CB-13IML05, IDEAPAD FLEX 5 CB-13IML05 82B8, I
  • Battery Type4 Cell Lithium-Ion
  • Battery Voltage7.68V
  • Battery Capacity6642mah
  • Compatible with Lenovo IdeaPad Flex 5, IdeaPad 5 Chromebook and ThinkPad C13 Yoga Gen 1
  • Replaces multiple OEM part numbers including L19M4PG2 and 5B10X63141
  • 51 Whr capacity delivers extended runtime for daily tasks
  • 4-cell lithium-ion design balances power and portability
  • CE, FCC and RoHS certified for safety compliance

Compatible replacement for Lenovo Chromebook

This 4-cell lithium-ion battery replaces OEM part numbers L19D4PG2, L19L4PG2, L19M4PG2, SB10X63137, SB10X63140, 5B10X63136, 5B10X63138 and 5B10X63141. It fits Lenovo IdeaPad Flex 5 CB-13IML05, IdeaPad 5 Chromebook 13ITL6, IdeaPad 5 Chromebook 14ITL6 and ThinkPad C13 Yoga Gen 1 Chromebook models. The unit delivers 7.68V and 51WHR capacity for direct replacement.

Verify your exact model number before ordering

Check the service tag or bottom case label for model identifiers such as 82B8, 82M7, 82M8, 20UX or 20U4 to confirm compatibility. The battery connector and mounting points must match the original L19M4PG2 design used in these specific 13-inch and 14-inch chassis. Cross-reference the part number printed on your existing battery against the replacement list provided.

Sustained discharge at 7.68V with 6642mAh capacity

The 4-cell pack maintains stable voltage output during continuous workloads such as video playback, document editing or browser sessions. Low self-discharge chemistry preserves stored charge when the notebook is idle for extended periods. Circuit protection guards against over-current and short-circuit conditions throughout the discharge cycle. CE, FCC and RoHS certification confirms compliance with safety standards for prolonged daily use.

Highlights

  • Compatible with Lenovo IdeaPad Flex 5, IdeaPad 5 Chromebook and ThinkPad C13 Yoga Gen 1
  • Replaces multiple OEM part numbers including L19M4PG2 and 5B10X63141
  • 51 Whr capacity delivers extended runtime for daily tasks
  • 4-cell lithium-ion design balances power and portability
  • CE, FCC and RoHS certified for safety compliance

Specifications

BrandGreenTech
ModelL19D4PG2, L19L4PG2, L19M4PG2, SB10X63137, SB10X63140, 5B10X63136, 5B10X63138, 5B10X63141
Part NumberL19D4PG2, L19L4PG2, L19M4PG2, SB10X63137, SB10X63140, 5B10X63136, 5B10X63138, 5B10X63141
ColorBlack
TypeBattery
CompatibilityIDEAPAD FLEX 5 CB-13IML05, IDEAPAD FLEX 5 CB-13IML05 82B8, IDEAPAD 5 CHROMEBOOK-13ITL6, IDEAPAD 5 CHROMEBOOK-13ITL6 82M7, IDEAPAD 5 CHROME-14ITL6, IDEAPAD 5 CHROME-14ITL6 82m8, THINKPAD C13 YOGA GEN 1 CHROMEBOOK-20UX, THINKPAD C13 YOGA GEN 1 CHROMEBOOK-20U4
Battery Type4 Cell Lithium-Ion
Battery Voltage7.68V
Battery Capacity6642mah

Questions about this item

Does the battery arrive alone or with any extra parts?

Only the battery is included. No tools, screws or additional cables are supplied in the box.

Which model number matches my Lenovo IdeaPad Flex 5 CB-13IML05?

Use part number 5B10X63141 or L19M4PG2; both are listed as direct replacements for that model.

What runtime can I expect from the 51 Wh rating on my Chromebook?

The 51 Wh capacity typically delivers several hours of mixed use on supported Chromebooks, depending on screen brightness and workload.

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