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Rectangular black lithium-ion laptop battery with label showing 74Wh 11.4V 4-cell

DELL

DELL 357F9 74Wh 11.4V laptop battery for Inspiron 1748 2548 2748

SKU CH-4Z3C-493BF

74Wh 11.4V lithium-ion battery fits Dell Inspiron 1748 2548 2748 models

  • CompatibilityCompatible with Dell Inspiron INS15PD-1748R INS15PD-2548R IN
  • Battery TypeLithium-Ion
  • 74Wh capacity extends runtime between charges
  • 4V lithium-ion chemistry matches original specification
  • Four premium cells deliver reliable power output
  • Fits Inspiron 1748, 2548 and 2748 series models
  • CE and RoHS certified for safety compliance

Dell Inspiron 74Wh replacement battery

This 74Wh lithium-ion unit is built for Dell Inspiron models 1748, 2548 and 2748. It supplies 11.4V from four premium cells and carries CE and RoHS certification. The battery is new and covered by a one-year replacement warranty.

Check your original battery before ordering

Dell uses two different batteries for these chassis and they are not interchangeable. Compare the 357F9 part number and the physical shape against your existing pack to confirm a match. Only proceed if the layout and connector orientation are identical.

Fits the listed Inspiron series directly

The pack slots into the standard battery bay without adapters or cable modifications. It restores full mobile runtime for work or entertainment and frees you from relying on the AC adapter. No extra hardware or firmware steps are required.

Highlights

  • 74Wh capacity extends runtime between charges
  • 4V lithium-ion chemistry matches original specification
  • Four premium cells deliver reliable power output
  • Fits Inspiron 1748, 2548 and 2748 series models
  • CE and RoHS certified for safety compliance

Specifications

CompatibilityCompatible with Dell Inspiron INS15PD-1748R INS15PD-2548R INS15PD-2548B INS15PD-2748B
Battery TypeLithium-Ion

Questions about this item

Does the 357F9 74Wh battery ship with any cables or tools, or must I buy them separately?

The battery is supplied as a standalone unit; no cables, screwdrivers or installation tools are included in the package.

How do I know whether the 11.4V 74Wh version or the other variant fits my Inspiron 1748?

Compare the 357F9 label and the four-cell layout shown in the product photos against the battery currently in your INS15PD-1748R, INS15PD-2548R, INS15PD-2548B or INS15PD-2748B — the two designs are not interchangeable.

What runtime can I expect from the 74Wh capacity once it is installed in my laptop?

The 74Wh rating measures total energy storage; actual run time varies with screen brightness, workload and power settings, but the higher capacity generally delivers longer use per charge than lower-Wh packs.

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