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Black rectangular lithium-ion laptop battery, 71Wh 15.36V

Beisite

Beisite L21B4PE2 L21L4PE0 L21M4PE3 71Wh 15.36V laptop battery

SKU CH-M21A-EP9AT

71Wh 15.36V lithium-ion replacement battery for Lenovo Yoga 7 14-inch and 16-inch series laptops

  • ColorBlack
  • TypeBattery
  • Compatibilityfor LenovoYoga 7-14IAL7 (Type 82QE) / Yoga 7-14ARB7 (Type 82
  • Battery TypeLithium-Ion
  • Battery Voltage15.36V
  • Battery Capacity71Wh
  • 71Wh capacity powers extended work sessions away from the mains
  • 36V lithium-ion chemistry matches the original Lenovo specification
  • Direct replacement for part numbers 5B11N51726, 5B11N51740 and 5B11N51762
  • Fits Lenovo Yoga 7 14-inch and 16-inch models including types 82QE, 82QF and 82QG
  • Brand-new cell pack supplied in black finish ready to install

Replacement battery for Lenovo Yoga 7 series

This 71Wh lithium-ion cell is built for the Yoga 7-14IAL7, Yoga 7-14ARB7 and IdeaPad Yoga 7-16IAP7 families. It restores full mobile runtime when the original pack no longer holds charge. The 15.36V rating matches the factory specification for these models.

Thermal and power behaviour

Lithium-ion chemistry keeps self-discharge low and delivers steady voltage through the discharge curve. Normal operation stays within the thermal envelope designed for the Yoga 7 chassis. No active cooling or extra power draw is introduced by the swap.

Build and connector fit

The black housing uses the same mounting points and multi-pin connector as part numbers 5B11N51726, 5B11N51740 and 5B11N51762. Direct replacement requires no cable routing or adapter. Buyers whose laptop uses a different battery form factor or voltage cannot use this unit.

Highlights

  • 71Wh capacity powers extended work sessions away from the mains
  • 36V lithium-ion chemistry matches the original Lenovo specification
  • Direct replacement for part numbers 5B11N51726, 5B11N51740 and 5B11N51762
  • Fits Lenovo Yoga 7 14-inch and 16-inch models including types 82QE, 82QF and 82QG
  • Brand-new cell pack supplied in black finish ready to install

Specifications

BrandL21B4PE2 L21L4PE0 L21M4PE3
ModelL21B4PE2 L21L4PE0 L21M4PE3
Part Number5B11N51726 5B11N51740 5B11N51762
ColorBlack
TypeBattery
Compatibilityfor LenovoYoga 7-14IAL7 (Type 82QE) / Yoga 7-14ARB7 (Type 82QF) / IdeaPad Yoga 7-16IAP7 (Type 82QG) Series
Battery TypeLithium-Ion
Battery Voltage15.36V
Battery Capacity71Wh

Questions about this item

How do I install the 71Wh 15.36V battery in my Yoga 7-14IAL7, and what step is often missed?

Power off the laptop, remove the bottom case screws, disconnect the old battery connector before lifting it out, then connect the new battery before reassembling; the step often missed is disconnecting the old battery first.

What maintenance will the Li-ion 71Wh pack need later?

No scheduled maintenance is required; the pack will eventually hold less charge after many cycles, at which point it should be replaced with another 15.36V 71Wh unit.

What limit appears first during sustained use of this 15.36V battery?

The 71Wh capacity determines runtime; under continuous load the charge will deplete until the laptop shuts down or throttles to protect the cells.

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