Alternative to 393847-B21: Better-Value Equivalents in Stock
Comparing the 393847-B21 (393847-B21 - HP 4.8v 500mah Smart Array Battery for P-Series Controllers without Cable) 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 393847-B21
| SKU | 393847-B21 |
|---|---|
| Product | 393847-B21 - HP 4.8v 500mah Smart Array Battery for P-Series Controllers without Cable |
| Current price | $157.00 |
| Stock status | In Stock |
| Detail page | View 393847-B21 › |
Alternatives to 393847-B21
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.
381573-001 - HP 4.8v 500mah Smart Array Battery for P-Series Controllers without Cable
SKU: 381573-001
Price: $170.53
012695-001 - HP 4.8v 500mah Smart Array Battery for P-Series Controllers without Cable
SKU: 012695-001
Price: $173.68
HSTNM-B011 - HP 4.8v 500mah Smart Array Battery for P-Series Controllers without Cable
SKU: HSTNM-B011
Price: $229.03
398648-001 - HP 4.8v 500mah Smart Array Battery for P-Series Controllers
SKU: 398648-001
Price: $173.68
AP846B - HP Modular Smart Array P2000 G3 Fc Dual Controller Sff Modular Smart Array System Hard Drive Array 24-Bay 0
SKU: AP846B
Price: $1,450.53
011786-001 - HP 128MB Battery Backed Write Cache (BBWC) Enabler Memory for Smart Array 641/642 Controllers
SKU: 011786-001
Price: $119.99
011786-000 - HP 128MB Battery Backed Write Cache (BBWC) Enabler Memory for Smart Array 641/642 Controllers
SKU: 011786-000
Price: $240.47
BK831B - HP Modular Smart Array P2000 G3 iSCSI Dual Controller SFF Array System Hard Drive Array 24-Bay
SKU: BK831B
Price: $334.74
AW593B - HP Modular Smart Array P2000 G3 SAS Dual Controller LFF Array System Hard Drive Array 12-Bay 0 HDD Installed
SKU: AW593B
Price: $1,552.63
AW597B - HP Modular Smart Array P2000 G3 10gbe iSCSI Dual Controller SFF Array System Hard Drive Array 24-Bay 0 HDD Installed
SKU: AW597B
Price: $2,029.47
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.