Dr. Battery MPL03249P-25 4-cell 14.4V 2200mAh laptop battery

Dr. Battery MPL03249P-25 4-cell replacement

This Dr. Battery MPL03249P-25 is a new 4-cell lithium-ion laptop battery rated at 14.4V and 2200mAh. It is designed as a direct replacement for a wide range of Asus notebook models including the K550, K550C, K550CA, K550L, K550LA, K550LC, K550V, K552EA, P450, P450C, P450CA, P450L, and compatible A41-X550 part numbers. The unit suits owners of these specific Asus series who need to restore original runtime. It is not for users whose laptops fall outside the listed compatibility list or who require a different voltage or cell configuration.

Upgrading from a depleted original pack

This battery replaces an exhausted or failing original pack that no longer holds a useful charge. The jump is worth it when the existing cell chemistry has degraded past the point of reliable mobile use and the laptop otherwise meets the owner's needs. A fresh 32Wh unit restores the designed capacity and safety protections. It does not increase the watt-hour rating beyond the original 32Wh specification, so buyers seeking extended runtime beyond factory levels will not gain it here.

Practical limits of the 14.4V lithium-ion interface

The 14.4V lithium-ion interface delivers a fixed nominal voltage and 2200mAh capacity that cannot be altered by the replacement. Runtime is bounded by the 32Wh energy capacity and the host laptop's power draw, which varies with workload and screen brightness. The integrated smart control chip manages charging current, short-circuit, overheat, and overload protection within these electrical limits. Users cannot exceed the cell count or voltage ceiling without changing the laptop's power architecture entirely.