Alternative to 312-1390: Better-Value Equivalents in Stock
Comparing the 312-1390 (312-1390 - Dell 6-Cell Battery for Inspiron 14 14R 15 15R 17 17R Vostro 2421 2521) against alternatives? Pro Disk Network stocks 12 similar Dell 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 312-1390
| SKU | 312-1390 |
|---|---|
| Product | 312-1390 - Dell 6-Cell Battery for Inspiron 14 14R 15 15R 17 17R Vostro 2421 2521 |
| Current price | $183.99 |
| Stock status | In Stock |
| Detail page | View 312-1390 › |
Alternatives to 312-1390
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.
312-0079 - Dell 96Whr 14.8V 12-Cell Li-Ion Battery for Inspiron 1100, 5100, 5150, 5160, Latitude 100L
SKU: 312-0079
Price: $126.08
312-0940 - Dell 6-Cell Li-Ion Battery for Inspiron 13R, 14R , 15R, 17R Laptops
SKU: 312-0940
Price: $126.24
312-0234 - Dell 9-Cell 11.1V 90WHr Lithium-Ion Battery for Inspiron 13R 14R 15R 17R Laptops
SKU: 312-0234
Price: $167.84
312-1392 - Dell 6-Cell Battery for Inspiron 14 14R 15 15R 17 17R Vostro 2421 2521
SKU: 312-1392
Price: $168.45
312-1021 - Dell 73Whr 11.1V 9-Cell Li-Ion Battery for Inspiron 1464 1564 1764
SKU: 312-1021
Price: $193.21
312-0239 - Dell 6-Cell 11.1V 48WHr Lithium-Ion Battery for Inspiron 13R 14R 15R 17R Laptops
SKU: 312-0239
Price: $203.33
312-0941 - Dell 6-Cell Li-Ion Battery for Inspiron 13R, 14R , 15R, 17R Laptops
SKU: 312-0941
Price: $214.91
312-0233 - Dell 6-Cell 11.1V 48WHr Lithium-Ion Battery for Inspiron 13R 14R 15R 17R Laptops
SKU: 312-0233
Price: $215.61
312-0115 - Dell 66Whr 14.8V Li-Ion Battery for Inspiron 2500 / Vostro 3700
SKU: 312-0115
Price: $184.41
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.