KingSener
KingSener B31N1909 laptop battery 11.4V 4212mAh 48Wh
Replacement lithium-ion battery rated at 11.4 V and 4212 mAh for compatible Asus ExpertBook models
- Battery Voltage11.4V
- Battery Capacity4212mAh/48Wh
- 48Wh capacity supports longer unplugged sessions
- 4V output matches original Asus ExpertBook P2451 specifications
- 4212mAh Li-ion cells deliver stable power throughout discharge
- 100% new replacement fits P2451F and P2451FA without modification
- 1-year warranty backs the 0B200-03670000 part number
Compatible Asus ExpertBook models
This KingSener B31N1909 replacement battery is built for the Asus ExpertBook P2 series, including the P2451, P2451F and P2451FA models. It delivers 11.4V and 48Wh capacity using Li-ion cells. The unit matches the original battery dimensions for direct installation without modification.
Users needing a direct replacement
Owners of the listed ExpertBook models who need a new 4212mAh power source will find this battery fits and functions as the original did. Buyers with different Asus series or other laptop brands should look elsewhere because the connector and case profile are specific to the P2451 family.
11.4V 48Wh Li-ion specification
The electrical rating of 11.4 volts and 48 watt-hours determines whether this part matches the laptop's power requirements. Confirm the original battery shows the same voltage and capacity before ordering to ensure correct operation.
Highlights
- 48Wh capacity supports longer unplugged sessions
- 4V output matches original Asus ExpertBook P2451 specifications
- 4212mAh Li-ion cells deliver stable power throughout discharge
- 100% new replacement fits P2451F and P2451FA without modification
- 1-year warranty backs the 0B200-03670000 part number
Specifications
| Brand | KingSener |
|---|---|
| Model | B31N1909 |
| Part Number | B31N1909 0B200-03670000 |
| Battery Voltage | 11.4V |
| Battery Capacity | 4212mAh/48Wh |
Questions about this item
Which capacity matches the original 48Wh specification?
The battery is rated at 4212mAh and 48Wh, matching the original design capacity for the supported models.
What does the 11.4V rating mean for daily use?
The 11.4V output delivers the correct voltage for the Asus ExpertBook P2 series, ensuring stable power without modification.
Does the connector follow the standard B31N1909 pinout?
Yes, it uses the exact B31N1909 form factor and pin layout, so it fits the P2451, P2451F and P2451FA without adapters.
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