HP NP03XL Envy X360 15-U000EW Laptop Battery

The HP NP03XL is a high-quality replacement battery specially designed for HP Envy X360 15-U000EW and compatible HP Pavilion X360 models. With genuine OEM standards, it provides reliable power, extended runtime, and complete safety protection. Its precise fit and easy installation make it ideal for everyday use, travel, and productivity.

Product Features

Extended Runtime

Equipped with a 43 Wh (≈3720–3800 mAh) capacity, the NP03XL delivers 2–6 hours of device use per full charge, depending on activity level

OEM‑Standard Compatibility

Fully compatible with HP part numbers NP03XL, 760944‑421, 761230‑005, HSTNN‑LB6L, and others used in 15-U and select Pavilion X360 laptops

Intelligent Safety Protections

Features integrated circuitry that protects against overcharge, over-discharge, short circuits, over-temperature, and cell imbalance for reliable, long-term use.

Premium Li‑Polymer Cells

Built with Class-A lithium-polymer cells from trusted manufacturers like Samsung or LG, ensuring durability and stable performance

Easy, Tool‑Free Installation

Its design matches the Envy X360 battery compartment, allowing quick and effortless replacement—no tools required.

Product Specifications

• Battery type: Lithium‑ion (Li‑Polymer), 3-cell
• Voltage: 11.4 V (nominal)
• Capacity: 43 Wh (~3720–3800 mAh)
• Compatibility:
  • HP Envy X360 15-U000EW and variants
  • HP Pavilion X360 13-Axxx / 15-Axxx series
• Part numbers replaced: NP03XL, 760944‑421, 761230‑005, HSTNN‑LB6L, TPN‑Q146/Q147/Q148/Q149
• Cell count: 3
• Dimensions: ~186.8 × 103.5 × 7.2 mm
• Weight: ~180–230 g
• Operating runtime: 2–6 hours (depending on workload)
• Safety protections: Overcharge, over-discharge, short-circuit, thermal protection, cell balance
• Certifications: CE, RoHS, UN38.3; some meet UL standards
• Warranty: Typically 12 months