Alternative to RM803: Better-Value Equivalents in Stock
Comparing the RM803 (RM803 - Dell 6-Cell 11.1V 56WHr Li-Ion Battery for Studio 1535/1536/1537 Series) 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 RM803
| SKU | RM803 |
|---|---|
| Product | RM803 - Dell 6-Cell 11.1V 56WHr Li-Ion Battery for Studio 1535/1536/1537 Series |
| Current price | $160.97 |
| Stock status | In Stock |
| Detail page | View RM803 › |
Alternatives to RM803
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.
0KM898 - Dell 4-Cell Li-Ion Battery for Studio 1535, 1536, 1537, 1555, 1557, 1558, PP33L, PP39L
SKU: 0KM898
Price: $126.82
KM898 - Dell 4-Cell Li-Ion Battery for Studio 1535, 1536, 1537, 1555, 1557, 1558, PP33L, PP39L
SKU: KM898
Price: $126.82
0WU959 - Dell 6-Cell Li-Ion Battery for Studio 1535, 1536, 1537, 1555, 1557, 1558, PP33L, PP39L
SKU: 0WU959
Price: $147.38
WU959 - Dell 6-Cell Li-Ion Battery for Studio 1535, 1536, 1537, 1555, 1557, 1558, PP33L, PP39L
SKU: WU959
Price: $147.38
0MT275 - Dell 4-Cell Li-Ion Battery for Studio 1535, 1536, 1537, 1555, 1557, 1558, PP33L, PP39L
SKU: 0MT275
Price: $150.07
MT275 - Dell 4-Cell Li-Ion Battery for Studio 1535, 1536, 1537, 1555, 1557, 1558, PP33L, PP39L
SKU: MT275
Price: $150.07
0RM803 - Dell 6-Cell 11.1V 56WHr Li-Ion Battery for Studio 1535/1536/1537 Series
SKU: 0RM803
Price: $160.97
0KM887 - Dell 6-Cell 11.1V 56WHr Li-Ion Battery for Studio 1535/1536/1537 Series
SKU: 0KM887
Price: $186.62
KM887 - Dell 6-Cell 11.1V 56WHr Li-Ion Battery for Studio 1535/1536/1537 Series
SKU: KM887
Price: $186.62
MT277 - Dell 6-Cell 57Wh 11.1V Battery for Studio 1535 1536 1537 1555 1557 1558
SKU: MT277
Price: $131.00
0MT277 - Dell 6-Cell 57Wh 11.1V Battery for Studio 1535 1536 1537 1555 1557 1558
SKU: 0MT277
Price: $131.00
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.