Alternative to PB991A: Better-Value Equivalents in Stock
Comparing the PB991A (PB991A - HP 6-Cell Lithium-Ion 10.8VDC 5100mAh 58Wh Primary Notebook Battery for Business Notebooks nc4200 nc4400 tc4200 and tc4400 Series) 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 PB991A
| SKU | PB991A |
|---|---|
| Product | PB991A - HP 6-Cell Lithium-Ion 10.8VDC 5100mAh 58Wh Primary Notebook Battery for Business Notebooks nc4200 nc4400 tc4200 and tc4400 Series |
| Current price | $223.43 |
| Stock status | In Stock |
| Detail page | View PB991A › |
Alternatives to PB991A
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.
PB991AR - HP 6-Cell Lithium-Ion 10.8VDC 5100mAh 58Wh Primary Notebook Battery for Business Notebooks nc4200 nc4400 tc4200 and tc4400 Series
SKU: PB991AR
Price: $210.53
501114-001 - HP 8-Cell Lithium-Ion (Li-Ion) 14.4V 2.55Ah 73Wh Primary Notebook Battery for HP EliteBook 8530p/8530w Series Notebooks
SKU: 501114-001
Price: $155.55
490306-001 - HP 8-Cell Lithium-Ion (Li-Ion) 14.4V 4400mAh Primary Notebook Battery for HP EliteBook 6700s/6800s Series Notebooks
SKU: 490306-001
Price: $218.58
KU532AA - HP 8-Cell Lithium-Ion (Li-Ion) 14.4V 4400mAh Primary Notebook Battery for HP EliteBook 6700s/6800s Series Notebooks
SKU: KU532AA
Price: $219.07
408545-142 - HP 6-Cell Lithium-Ion 10.8VDC 4400MAh 55Wh Primary Notebook Battery for NC6000/NC6500 Series Notebooks
SKU: 408545-142
Price: $90.47
408545-222 - HP 6-Cell Lithium-Ion 10.8VDC 4400MAh 55Wh Primary Notebook Battery for NC6000/NC6500 Series Notebooks
SKU: 408545-222
Price: $160.80
EH767AA - HP 6-Cell Lithium-Ion 10.8VDC 4800MAh 58Wh Primary Notebook Battery for NC2400 Series Notebooks
SKU: EH767AA
Price: $176.43
408545-141 - HP 6-Cell Lithium-Ion 10.8VDC 4400MAh 55Wh Primary Notebook Battery for NC6000/NC6500 Series Notebooks
SKU: 408545-141
Price: $177.38
408545-251 - HP 6-Cell Lithium-Ion 10.8VDC 4400MAh 55Wh Primary Notebook Battery for NC6000/NC6500 Series Notebooks
SKU: 408545-251
Price: $191.04
404887-241 - HP 6-Cell Lithium-Ion 10.8VDC 4800MAh 58Wh Primary Notebook Battery for NC2400 Series Notebooks
SKU: 404887-241
Price: $195.91
412780-001 - HP 6-Cell Lithium-Ion 10.8VDC 4800MAh 58Wh Primary Notebook Battery for NC2400 Series Notebooks
SKU: 412780-001
Price: $198.74
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.