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HP QK639AA 9-Cell 73Wh 6.60mAh Ultra Extended Life Battery
- HP Branded Ultra Extended Life Battery
- 9-Cell configuration
- Capacity: 73Wh
- Capacity: 6.60mAh (Note: This value appears inconsistent with 73Wh and 9-cell; likely a typo in source, typically mAh would be much higher)
- Designed for maximum runtime
- Lithium-Ion technology
- Extended mobility for laptops
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Product Overview
HP's QK639AA is a 9-cell Ultra Extended Life battery, offering substantial capacity for prolonged use on compatible HP laptops. It provides 73Wh and 6.60mAh for extended mobility.
Technical Information
| Brand | HP |
| Part Number | QK639AA |
| Cell Count | 9 |
| Wattage | 73Wh |
Additional Specifications
| Milliampere-hour | 6.60mAh (Potentially incorrect) |
| Battery Technology | Lithium-Ion |
| Capacity Type | Ultra Extended Life |
Product Description
The HP QK639AA is a premium 9-cell battery designed to deliver exceptional longevity for compatible HP notebook computers. Marketed as an 'Ultra Extended Life' battery, it is engineered for users who demand the longest possible operating times away from a power outlet, significantly enhancing mobile productivity. With a stated capacity of 73 watt-hours, this battery provides a substantial power reserve. The accompanying 6.60mAh figure appears to be an anomaly or typo, as typical 9-cell batteries with 73Wh would have mAh ratings in the thousands (e.g., 6600mAh or higher). Assuming the 73Wh is the accurate measure, it translates to extended usage periods. This battery utilizes advanced Lithium-Ion technology, ensuring reliable power delivery and a long service life. It is an ideal choice for frequent travelers, field workers, and anyone who needs to maximize their laptop's uptime without compromising on performance. The QK639AA offers a robust solution for extended mobile computing.


