HP HV03XL Original Battery

In short, the HP HV03XL is a high-quality, OEM original battery built for HP x360 310 G2 & ProBook x360 310 G2 laptops, offering reliable performance, built-in safety, and genuine compatibility. Perfect if you're replacing a worn-down battery.

Technical Specifications

• Model Number: HV03XL (also referenced as HSTNN‑LB7B, 817184‑005, 818418‑421, TPN‑W112) 
• Chemistry: Lithium‑Ion (Li‑Ion/Polymer), 3‑cell pack 
• Voltage: Nominal 11.4 V
• Capacity: Around 48 Wh (~4,050–4,180 mAh), with some variants listed as 45–46 Wh

Built-in Protection & Certifications

Equipped with smart circuitry providing:

Over‑charge/over‑discharge protection

Temperature safeguards

Short‑circuit prevention 

Compliant with RoHS, Reach, UN38.3, IATA transport regulations—safe for shipping

Real-World Performance

• Users report around 3–4 hours of usage on a full charge, depending on workload 
• Estimated lifespan of 300–500 charging cycles

Installation Tips

• Power off and unplug your laptop.
• Open the chassis (usually a few screws on the back).
• Disconnect and remove the old battery.
• Fit the HV03XL, attach, and secure firmly.
• Charge to full before first use—consider calibration (full discharge/recharge).