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Rectangular black lithium-polymer battery pack 8.0 by 1.5 by 0.8 cm

Dr. Battery

Dr. Battery HV03XL laptop battery for HP X360 310 G2 11.4V 4050 mAh

SKU CH-12QE-C5E1V

Replacement Li-polymer battery for HP X360 310 G2 laptops delivering 11.4 V and 4050 mAh with integrated over-charge, over-discharge, overheating and short-circuit protection

  • Battery typeLi-polymer
  • Battery voltage rating11.4 V
  • Battery capacity4,050 mAh
  • Main functionNotebook
  • Measurements8.0 × 1.5 × 0.8
  • Product typeBattery
  • Li-polymer cells deliver 4050 mAh capacity for extended runtime
  • 4 V output matches original HV03XL specification exactly
  • Built-in protection guards against over-charge, over-discharge, overheating and short-circuit
  • Replaces HP part numbers 817184-005, 818418-421 and HSTNN-IB7B
  • Compact 8.0 x 1.5 x 0.8 cm design fits HP X360 310 G2 chassis perfectly

Compatible Replacement for HP X360 310 G2

This Dr. Battery Professional Series unit is a brand new lithium-polymer replacement designed specifically for the HP X360 310 G2 laptop. It restores mobile power for everyday computing tasks and matches the original form factor for direct installation.

Voltage and Capacity Constraints

The battery operates at 11.4V with a 4050 mAh capacity, defining the total energy available per charge cycle. Integrated safety circuitry protects against over-charge, over-discharge, overheating, and short-circuit events during operation.

Upgrading from Depleted Original Cells

This unit replaces an exhausted or failing original battery carrying part numbers 817184-005, 818418-421, HSTNN-IB7B, or HV03XL. The jump is worth it when the original no longer holds sufficient charge for mobile use or triggers safety warnings.

How it compares

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

Price $70.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameHP
Model nameHP X360 310 G2 Series
Part numberDR-PRO-LHP366-A
Product typeBattery
Power
Battery typeLi-polymer
Battery voltage rating11.4 V
Battery capacity4,050 mAh
Size & build
Measurements8.0 × 1.5 × 0.8
Compatibility
Compatible withHP X360 310 G2
More details
Main functionNotebook

Questions about this item

Which capacity should I choose for my HP X360 310 G2?

This battery is offered in a single 4050 mAh capacity at 11.4V, matching the original HV03XL specification for the HP X360 310 G2 series.

What runtime does the 4050 mAh rating give in daily use?

The 4050 mAh Li-polymer pack restores the factory-rated capacity, delivering comparable run time to the original battery when new under the same workload.

Does the 11.4V voltage limit charging speed or compatibility?

The 11.4V rating matches the HP X360 310 G2 charging circuit exactly, so the laptop charges at its normal rate without voltage mismatch.

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