TREE.NB 56WH 33YDH Laptop Battery for Dell

TREE.NB 56WH 33YDH is a 4-cell, 15.2V/56WH lithium-ion replacement battery engineered to restore battery life to compatible Dell Inspiron, G3, G5, G7, Latitude and Vostro laptops.

If your Dell laptop is losing runtime, shutting down unexpectedly, or showing an aged battery status, this TREE.NB battery offers a manufacturer-new pack that matches the original specifications and safety protections. It arrives with top circuit boards and an intelligent protection chip, and it’s designed to fit models that originally used the 33YDH / PVHT1 / 081PF3 part numbers.

Which Dell models and part numbers does this battery replace?

This battery is built to replace Dell OEM packs with model identifiers like 33YDH, PVHT1, 81PF3 and several equivalent codes. It fits various Inspiron 17 7000 2-in-1 series as well as multiple G3, G5, G7, Latitude and Vostro models.

• Compatible part numbers: 33YDH, PVHT1, 81PF3, 081PF3, 0PVHT1, 99NF2 and similar codes.
• Fits: Inspiron 17 7000 (7577, 7773, 7778, 7779, 7786), G3 15/17 (3579, 3779), G5 15 (5587), G7 15 (7588), Latitude 13/14/15 (3380, 3490, 3580, 3590), Vostro 15 (7570, 7580).
• Also compatible with other Dell model variants that list the same battery part number in their service manual.

How does the TREE.NB battery protect my laptop and data?

Safety is prioritized through multiple built-in protections and industry certifications. The pack includes a smart chip and circuit protections to help prevent short circuits, over-voltage, over-current and excessive discharge events.

• Certifications: CE, FCC, RoHS for environmental and electrical compliance.
• Protections: short-circuit, over-voltage, over-current, and discharge protection.
• Smart monitoring: onboard chip reports battery status to the laptop for safer charging and usage.

What are the technical specifications and physical details I should check before buying?

The pack is a 4-cell lithium-ion battery rated at 15.2V and 56WH, delivered in black with manufacturer-new cells and circuit components. Before purchase, verify the service tag or open the laptop’s back cover to confirm the existing battery model label.

• Type: Lithium-ion, 4-cell, 15.2V / 56WH capacity.
• Condition: 100% new from manufacturer with fresh cells and new smart board.
• Fit check: confirm the battery model printed on your current pack or consult the Dell service manual.

How do I install it and who can help if I’m unsure?

Installation typically requires removing the laptop’s bottom cover and swapping the connector; it’s straightforward if you follow static-safety steps and the laptop’s service instructions. If you’re uncertain, reach out to TREE.NB support or consult a qualified technician to avoid damage.

• Tip: Power off, unplug, and ground yourself before opening the laptop case.
• Tools: small Phillips screwdriver and plastic pry tool usually required.
• Support: contact TREE.NB via email for model verification and technical assistance.

Who is this for? This replacement battery is intended for Dell owners whose laptops originally shipped with a 33YDH / PVHT1 / 81PF3 family battery and who want a brand-new, safety-certified pack to regain original runtime. It’s ideal for users needing reliable daily performance—students, remote workers, creatives, and IT technicians—who prefer a direct-fit, manufacturer-new battery with intelligent protections and broad model compatibility.