Fancy Buying SG03XL Laptop Battery for HP Envy 17/M7

The Fancy Buying SG03XL is a direct-fit 4-cell Li‑ion replacement battery for select HP Envy 17 and M7 series laptops, rated 15.55V and 41.5Wh for reliable daily use.

If your HP Envy 17 or M7 laptop no longer holds a charge like it used to, the Fancy Buying SG03XL offers a drop-in replacement engineered to match the original battery’s voltage and form factor. It’s built with Grade A cells and internal protection circuitry to deliver stable power, and it replaces multiple OEM part numbers such as 849048-421, 849049-421, HSTNN-LB7E/F and TPN-I126—making it a convenient option when a factory pack is unavailable or costly.

Which laptop models is this battery compatible with?

This SG03XL pack is designed for a range of HP Envy 17 and M7-U notebooks. Compatibility covers specific models and regional SKUs often listed on the original battery, so verify your model number before purchasing.

• Fits HP Envy M7-U series and 17t/17-U Envy notebook models.
• Compatible with OEM part numbers: 849048-421, 849049-421, 849314-850, 849315-850, 849314-856.
• Also replaces HSTNN-LB7E, HSTNN-LB7F, SG03041XL, SG03061XL, TPN-I126.
• Check your laptop’s underside label or battery bay for matching SKU before ordering.

How does the SG03XL perform compared with the original battery?

The SG03XL matches the original pack’s voltage (15.55V) and capacity (41.5Wh), providing comparable run time for everyday tasks such as web browsing, office work, and media playback. Grade A cells and a built-in protection circuit help ensure efficient charging, controlled discharge, and reduced power waste.

• 41.5Wh capacity supports typical productivity workloads for several hours.
• Grade A cells aim for consistent charge cycles and lower self-discharge.
• Integrated protection against overcurrent, overcharge, and short circuits.
• Estimated lifespan around 500 recharge cycles under normal usage.

What should I know about installation and safety?

Installing this battery is straightforward for most users who are comfortable removing the laptop’s bottom panel and disconnecting the old battery. Always power down the laptop, unplug it, and follow static-safety precautions; if unsure, have a technician install it to avoid damaging connectors or the motherboard.

• Power off and unplug the laptop before starting replacement.
• Use proper tools and keep track of screws and small parts.
• Avoid puncturing the battery or exposing it to extreme heat.
• Recycle the old battery at an appropriate e‑waste facility.

How long will the SG03XL battery last and how to extend runtime?

Under normal conditions the pack is rated for roughly 500 full recharge cycles before noticeable capacity loss; actual lifespan depends on usage patterns, charge habits, and temperature. Simple adjustments like lowering screen brightness, disabling unused radios, and avoiding full discharges will help preserve capacity over time.

• Rated for approximately 500 recharge cycles with Grade A cells.
• Moderate brightness and power‑saving settings extend daily runtime.
• Keep the laptop cool and avoid high ambient temperatures.
• Store partially charged (around 40–60%) if not using for months.

Who is this for: The Fancy Buying SG03XL is intended for HP Envy 17 and M7 owners seeking a cost-effective, compatible battery replacement that mirrors original voltage and capacity. It’s a good choice for users repairing an aging laptop, refurbishers replacing worn packs, or anyone needing an OEM-equivalent battery with built-in safety features. Verify your laptop’s model number or OEM part number list before purchase to ensure a correct fit.