The VI04 (VIO4) is a premium 14.8V 41Wh (2800mAh) Li-Polymer replacement battery for HP ProBook 440/445/450/455 G2, HP Envy 14/15/17 (K/U series) and HP Pavilion 15/17 (P/X/F series) laptops. It directly replaces 22 OEM part numbers including VI04, VIO4, HSTNN-DB6I, HSTNN-LB6J, TPN-Q139 through TPN-Q144 and 756743-001. Built with high-density cells and an integrated BMS to prevent overcharge and short circuits, it restores original high-mobility runtime for business and consumer hardware, backed by a 1-year warranty.
Product Specifications
| Battery Model | VI04 / VIO4 |
| Capacity | 2800mAh / 41Wh |
| Voltage | 14.8V |
| Battery Type | Li-Polymer |
| Color | Black |
| Condition | 100% Brand New Replacement |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- VI04
- VIO4
- HSTNN-DB6I
- HSTNN-DB6K
- HSTNN-DB6J
- HSTNN-LB6J
- HSTNN-LB6K
- HSTNN-UB6I
- HSTNN-UB6J
- HSTNN-UB6K
- HSTNN-PB6I
- HSTNN-LB6I
- TPN-Q139
- TPN-Q140
- TPN-Q141
- TPN-Q142
- TPN-Q143
- TPN-Q144
- 756743-001
- 756745-001
- 756478-221
- 756479-421
Compatible Laptop Models
- For HP ProBook 440 G2 Series
- For HP ProBook 445 G2 Series
- For HP ProBook 450 G2 Series
- For HP ProBook 455 G2 Series
- For HP Envy 14 (14-v000 ~ 14-v099 / 14-u000 ~ 14-u099)
- For HP Envy 15 (15-k000 ~ 15-k099 / 15-x000 ~ 15-x099)
- For HP Envy 17 (17-x000 ~ 17-x099)
- For HP Pavilion 15 (15-p000 ~ 15-p099 / 15-x000 ~ 15-x099)
- For HP Pavilion 17 (17-f000 ~ 17-f099 / 17-x000 ~ 17-x099)
FAQ
- Q: Does this battery fit the HP ProBook 450 G3?
- A: No — the G3 generation uses the RO04 battery; the VI04 is specifically designed for the G2 architecture. Verify the part number VI04 on your original battery label before purchase.
- Q: Is this battery safe for long-term use?
- A: Yes — our batteries are CE, FCC and RoHS certified with multi-layer BMS protection to ensure stable charging and longevity in professional environments.