HP EliteBook Folio G1 (EO04XL 38Wh)

Product Overview

EO04XL is the replacement battery for the HP EliteBook Folio G1 series, rated at 38Wh / 7.7V with lithium-ion chemistry. It is 100% brand new, ships with a 1-year warranty, and restores full all-day portability to HP's premium business ultrabook.

Designed as a drop-in match for the original HP power pack, this EO04XL battery keeps the EliteBook Folio G1 productive through client meetings, presentations, and remote work. High-quality cells deliver stable 7.7V output, consistent discharge, and dependable charging cycles for mobile professionals.

Specifications

Standard Model	EO04XL
Capacity	38Wh
Voltage	7.7V
Battery Type	Li-ion
Color	Black
Condition	100% Brand New, 1-year warranty

Replace Part Numbers

• EO04XL
• HSTNN-IB7I
• HSTNN-I73C
• 827927-1B1
• 827927-1C1
• 828226-005

Compatible Models

• For HP EliteBook Folio G1 Series

Please note: Carefully check your original battery's connector type before ordering. Please make a remark for "Type 1" or "Type 2" after you place your order for this battery. Thank you!

FAQ

Q: What are the Type 1 and Type 2 connector options? A: The HP EliteBook Folio G1 battery connector has two physical variants. Before ordering, open the laptop and inspect the connector on your original EO04XL battery, then leave a remark for Type 1 or Type 2 in your order so we ship the correct version. Q: How do I know the EO04XL fits my EliteBook Folio G1? A: Check the part number on your original battery label. If it reads EO04XL, HSTNN-IB7I, HSTNN-I73C, 827927-1B1, 827927-1C1, or 828226-005, this replacement matches — and confirm the connector type as noted above. Q: Is this a brand-new battery? A: Yes, 100% brand new with Grade-A lithium-ion cells and a 1-year warranty, tested for capacity and voltage stability before shipment. Q: Will it charge correctly in Windows? A: Yes — it is plug-and-play with standard HP battery drivers. After the first full charge and discharge cycle, Windows battery reporting calibrates to full capacity.