Description
The HP Compaq 6530b/6535b/6735b & EliteBook 8440p Replacement Laptop Battery—most commonly cross-referenced by the primary HP marketing SKU KU531AA or internal part number 482962-001—is an external, slide-in power module. Known colloquially as the TD06 or TD09 architecture, it is a highly interchangeable structural platform that bridges legacy Compaq business laptops and later EliteBook/ProBook ecosystems.
Essential Features Summary:
| Feature Category |
Core Technical Data Point |
| Model & SKU Identifiers |
Primary HP SKU: KU531AA | HP Factory Part Numbers: 482962-001, 486296-001, HSTNN-UB69 |
| Cell Composition |
Lithium-Ion (Li-Ion) | 6-Cell internal cylindrical matrix |
| Charge Capacity |
5200 mAh / 58 Wh (Standard Grade-A industrial cell configuration) |
| Voltage Output |
10.8V to 11.1V (Fully unified voltage tolerance) |
| Safety Integration |
Internal circuit logic defenses protecting against short circuits, overcharging, and thermal spikes |
| Useful Lifespan |
Certified for 300 to 500 complete recharge/discharge cycles |
| Physical Configuration |
External horizontal slide-in wedge bar with integrated dual lock notches |
| Hardware Fit Ecosystem |
HP Compaq Notebooks: 6530b, 6535b, 6730b, 6735b
HP EliteBook Series: 8440p, 8440w, 6930p
HP ProBook Series: 6440b, 6450b, 6540b, 6550b |
