Replacement for 312-1390: Drop-In Alternatives We Stock
Looking for a replacement for the 312-1390 (312-1390 - Dell 6-Cell Battery for Inspiron 14 14R 15 15R 17 17R Vostro 2421 2521)? Pro Disk Network ships Dell drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
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 › |
Drop-in replacements for 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 replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.