Description
The HP LA04 OEM Replacement Laptop Battery—most commonly identified by its regulatory and factory engineering codes HSTNN-UB5N and HSTNN-YB5N—is an external slide-in power module designed for the HP Pavilion 15-N and Pavilion 14-N laptop lines. Its primary global marketing SKU and spare part number is 728460-001.
Essential Features Summary:
| Feature Category |
Core Technical Data Point |
| Model & SKU Identifiers |
HP Spare Part SKU: 728460-001 | Regulatory P/Ns: HSTNN-UB5N, HSTNN-YB5N, LA04, LA04DF |
| Cell Composition |
Lithium-Ion (Li-Ion) | 4-Cell internal cylindrical layout |
| Charge Capacity |
41 Wh / Roughly 2600 mAh to 2800 mAh |
| Voltage Output |
14.8V (Fully backwards compatible with 14.4V operational loads) |
| Safety Integration |
Built-in circuit defenses against short circuits, overcharging, and thermal spikes |
| Useful Lifespan |
Rated for 300 to 500 complete discharge/charge cycles |
| Physical Proportions |
Standard black slide-in external locking bar with dual latch pins |
| Hardware Fit Ecosystem |
HP Pavilion Series: 15-N (e.g., 15-n000 to 15-n299), 14-N series
HP TouchSmart Series: 15 TouchSmart, 14 TouchSmart
HP Business Series: 248 G1, 340 G1, 350 G1 |
