Alternative to QK639AA-ABA: Better-Value Equivalents in Stock
Comparing the QK639AA-ABA (HP QK639AA#ABA ST09 Extended Life Notebook Battery) 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 QK639AA-ABA
| SKU | QK639AA-ABA |
|---|---|
| Product | HP QK639AA#ABA ST09 Extended Life Notebook Battery |
| Current price | $178.76 |
| Stock status | In Stock |
| Detail page | View QK639AA-ABA › |
Alternatives to QK639AA-ABA
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.
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
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
QK640AA - HP 9-Cell 11.25v 8.85ah 100whr Ultra Extended Life Battery for Business Laptops and Notebooks
SKU: QK640AA
Price: $195.80
634089-001 - HP 9-Cell 11.1v 6.60ah 73whr Ultra Extended Life Battery for St09 Elitebooks
SKU: 634089-001
Price: $199.22
QK640UT - HP 9-Cell 11.25v 8.85ah 100whr Ultra Extended Life Battery for Bb09 Business Laptops
SKU: QK640UT
Price: $276.86
E7U23AA - HP Long Life Notebook Battery 5400 Mah Lithium-ion Polymer 11.1 V Dc
SKU: E7U23AA
Price: $161.46
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.