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Rectangular black lithium-ion laptop battery with label showing 15.4V 88.8Wh

KingSener

KingSener AS15B3N laptop battery 15.4V 88.8Wh for Acer Predator 15 17

SKU CH-X3DA-SE4QK MPN AS15B3N

Replacement lithium-ion battery delivers 88.8 Wh at 15.4 V for Acer Predator 15 and 17 series laptops

  • Battery Voltage15.4V
  • Battery Capacity88.8Wh
  • 8 Wh capacity supports long gaming sessions on Predator 15 and 17
  • 4 V output matches original Acer power specifications exactly
  • 6000 mAh lithium-ion cells deliver reliable runtime for daily use
  • Replaces part numbers AS15B3N, KT.00803.004 and 4ICR19/66-2 directly
  • Brand new replacement battery built for compatible Acer Predator models

Compatible Acer Predator models

This replacement battery fits Acer Predator 15 and 17 series laptops including G9-591, G9-592, G9-791, G9-792 and GX-791 variants. It is built for owners who need a direct swap for the original AS15B3N part. Buyers with other Acer lines or non-Predator chassis cannot use this unit.

Thermals and power behaviour

The lithium-ion pack delivers 14.8V and 88.8Wh from a 6000mAh cell configuration. In normal use it supplies steady voltage to the system without extra cooling requirements beyond the laptop's own thermal design. No acoustic or power-draw figures are provided by the manufacturer.

Included parts and fit

The package contains only the battery itself in black. No tools, screws, cables or software utilities are bundled. Installation relies on the existing latch and connector inside the compatible Predator chassis.

Highlights

  • 8 Wh capacity supports long gaming sessions on Predator 15 and 17
  • 4 V output matches original Acer power specifications exactly
  • 6000 mAh lithium-ion cells deliver reliable runtime for daily use
  • Replaces part numbers AS15B3N, KT.00803.004 and 4ICR19/66-2 directly
  • Brand new replacement battery built for compatible Acer Predator models

Specifications

BrandKingSener
ModelAS15B3N
Part NumberAS15B3N
KT.00803.004
4ICR19/66-2
Battery Voltage15.4V
Battery Capacity88.8Wh

Questions about this item

How do I install the AS15B3N battery in my Predator 15 G9-591 and which step do people often miss?

Power off the laptop and disconnect the AC adapter. Remove the bottom case screws, unplug the old battery connector from the motherboard before lifting it out, then connect the new AS15B3N connector firmly and reassemble. The step most often missed is unplugging the battery cable before removing the old pack.

What maintenance or replacement will the AS15B3N 6000mAh Li-ion battery need over time?

The 14.8V 88.8Wh Li-ion pack requires no scheduled maintenance. Expect gradual capacity loss after several hundred charge cycles; when runtime drops below your needs, replace the battery with another AS15B3N or compatible 4ICR19/66-2 cell pack.

What limit appears first on the AS15B3N during sustained heavy use on a Predator 17 G9-791?

Under continuous high load the 15.4V 88.8Wh pack will hit its thermal and voltage sag limits first, causing the laptop to throttle performance or shut down to protect the Li-ion cells before the full 6000mAh capacity can be delivered.

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