Alternative to QK640AA: Better-Value Equivalents in Stock
Comparing the QK640AA (QK640AA - HP 9-Cell 11.25v 8.85ah 100whr Ultra Extended Life Battery for Business Laptops and Notebooks) against alternatives? Pro Disk Network stocks 12 similar HP parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the QK640AA
| SKU | QK640AA |
|---|---|
| Product | QK640AA - HP 9-Cell 11.25v 8.85ah 100whr Ultra Extended Life Battery for Business Laptops and Notebooks |
| Current price | $195.80 |
| Stock status | In Stock |
| Detail page | View QK640AA › |
Alternatives to QK640AA
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
QK639UT - HP 9-Cell 11.1v 6.60ah 73whr Ultra Extended Life Lithium Polymer Battery for St09 Business Laptops
SKU: QK639UT
Price: $169.53
QK639AA - HP 9-Cell 11.1v 6.60ah 73whr Ultra Extended Life Battery for St09 Business Laptops
SKU: QK639AA
Price: $194.43
QK640UT - HP 9-Cell 11.25v 8.85ah 100whr Ultra Extended Life Battery for Bb09 Business Laptops
SKU: QK640UT
Price: $276.86
632423-001 - HP 9-Cell Sx09 Li-Ion Battery for Business Laptops and Notebooks
SKU: 632423-001
Price: $198.78
634089-001 - HP 9-Cell 11.1v 6.60ah 73whr Ultra Extended Life Battery for St09 Elitebooks
SKU: 634089-001
Price: $199.22
HSTNN-I52C - HP Notebook Battery Extended Life Battery Li-Ion 14.4V 52Wh AJ35
SKU: HSTNN-I52C
Price: $189.68
462891-141 - HP 6-Cell Li-Ion 10.8V 95Wh Extended Life Notebook Battery for PavilionDV4 / DV5
SKU: 462891-141
Price: $161.00
462891-422 - HP 12-Cell Li-Ion 10.8V 95Wh Extended Life Notebook Battery for PavilionDV4 / DV5
SKU: 462891-422
Price: $232.72
462891-542 - HP 12-Cell Li-Ion 10.8V 95Wh Extended Life Notebook Battery for PavilionDV4 / DV5 Series
SKU: 462891-542
Price: $232.72
HSTNN-C02C - HP 6-Cell Lithium-Ion 10.8VDC 5100mAh 58Wh Battery for Business Notebooks nc4200 / nc4400 / tc4200
SKU: HSTNN-C02C
Price: $166.05
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.