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Black rectangular lithium polymer laptop battery with label showing model MPL08318P-09

Dr. Battery

Dr. Battery MPL08318P-09 laptop battery 4900 mAh 7.4V

SKU CH-JTKB-D1MVA

Replacement lithium-polymer battery rated 4900 mAh at 7.4 V for HP Pavilion 15-AU144TX 15-AU145TX 15-AU146TX 15-AU147TX 15-AU148TX 15-AU149TX 849909-850

  • Battery typeLithium Polymer
  • Battery voltage rating7.4 V
  • Battery capacity4,900 mAh
  • Product colorBlack
  • Product typeBattery
  • Compatible withHP Pavilion 15-AU000 / 15-AU103NG / 15-AU105NG / 15-AU106NG
  • 4900 mAh capacity extends unplugged runtime
  • 4 V lithium-polymer cells match original voltage
  • Smart control chip enables quicker charging and longer discharge
  • Built-in protections guard against short circuit, overheat and overload
  • Fits HP Pavilion 15-AU series including 15-AU144TX through 15-AU149TX

Replacement battery for HP Pavilion 15-AU series

This lithium-polymer battery replaces the original HP BP02XL and HSTNN-LB7H packs used in multiple Pavilion 15-AU models. It supplies 7.4 volts and 4900 mAh capacity for compatible laptops. The pack is new and includes a smart control chip that manages charging and protects against short circuit, overheat and overload.

Practical limits of the 7.4 V lithium-polymer

The cell chemistry delivers a nominal 7.4 volts with a rated 38 watt-hours of energy. Voltage is fixed by the two-cell series design so the pack cannot be used in laptops that require a different voltage. The smart chip enforces safety cut-offs that stop charging or discharging if temperature or current exceed internal thresholds.

Capacity and headroom for daily workloads

At 4900 mAh the battery provides enough charge for typical office tasks, web browsing and media playback on supported Pavilion 15-AU units. Runtime will fall when the system drives high-performance graphics or sustained processor loads. The pack is not suited for users who need all-day operation without access to mains power.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDr. Battery
Model nameMPL08318P-09
Product colorBlack
Product typeBattery
Power
Battery typeLithium Polymer
Battery voltage rating7.4 V
Battery capacity4,900 mAh
Compatibility
Compatible withHP Pavilion 15-AU000 / 15-AU103NG / 15-AU105NG / 15-AU106NG / 15-AU107NG / 15-AU108NG / 15-AU109NG / 15-AU111NG / 15-AU123CL / 15-AU134TX / 15-AU136TX / 15-AU137TX / 15-AU144TX / 15-AU145TX / 15-AU146TX / 15-AU147TX / 15-AU148TX / 15-AU149TX / 15-AU150TX / 15-AU160TX / 15-AU163TX / 15-AU164TX / 15-AU165TX / 15-AU171TX / 15-AU178TX / 15-AU502TX / 15-AU620TX / 15-AU624TX / 15-AU626TX / 15-AU628TX / 15-AW001CY / 15-AW002LA / 15-AW003LA / 15-AW004AT / 15-AW006NG / 15-AW053NR
Original Battery Part Number :
849569-421 / 849569-541 / 849569-542 / 849569-543 / 849909-850 / BP02041XL / BP02XL

Questions about this item

What is the difference between the 4900 mAh and 4935 mAh capacity figures?

The 4900 mAh value is the rated capacity printed on the battery label, while 4935 mAh is the manufacturer's typical capacity measured under test conditions; both refer to the same 7.4 V lithium polymer cell.

How long will a 4900 mAh 7.4 V battery last in an HP Pavilion 15-AU144TX?

The 38 Wh energy rating translates to roughly 3 to 5 hours of mixed office use on that model, depending on screen brightness, background apps and battery age.

Does this battery use the standard HP Pavilion 15-AU charging interface?

Yes, it matches the original BP02XL / HSTNN-LB7H pin-out and 7.4 V output, so the laptop's built-in charge controller manages it without any adapter.

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