DELL Alienware 15 17 R3 R4 R5 99W 11.4V laptop battery
A 99Wh 11.4V lithium-ion replacement battery for Dell Alienware 15 and 17 series laptops
- Battery typeLithium-Ion
- Compatible withCompatible with Dell Alienware 15 R3 R4 Series 17 R4 R5 Seri
- High-capacity 99Wh battery extends runtime for demanding sessions
- 4V lithium-ion chemistry matches original voltage for stable output
- Six premium cells deliver consistent power under heavy loads
- Engineered for Alienware 15 and 17 R3 R4 R5 series ensuring exact fit
- CE and RoHS certified meeting safety and environmental standards
Replacement Battery for Alienware 15 and 17
This 99Wh lithium-ion pack is built for Dell Alienware 15 R3, R4 and 17 R4, R5 series notebooks. It restores full mobile runtime when the original cell pack has worn out. The six-cell design matches the factory voltage of 11.4V and fits the existing bay without modification.
Who This Suits and Who Should Look Elsewhere
Owners of the listed Alienware models who need a direct swap will find a precise fit and a one-year replacement guarantee. Buyers with other Dell chassis, different voltage requirements or a desire for a higher-capacity pack than 99Wh should look elsewhere.
Capacity and Headroom
The 99Wh rating delivers extended operation for everyday workloads, media streaming and light creative tasks on a single charge. Heavy gaming sessions or sustained maximum CPU and GPU loads will deplete the pack more quickly, so keep the AC adapter handy for long sessions.
How it compares
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
- Price $34.99
- Pricier than about 62% of the 27,790 comparable items (median $30.99).
Specifications
| Power | |
|---|---|
| Battery type | Lithium-Ion |
| Compatibility | |
| Compatible with | Compatible with Dell Alienware 15 R3 R4 Series 17 R4 R5 Series 15 15 R3 15 R3 Max-Q |
Questions about this item
Does this battery require a specific Dell Alienware 15 R3 R4 or 17 R4 R5 chassis to operate?
Yes, it is built for Dell Alienware 15 R3 R4 Series and 17 R4 R5 Series laptops; compare the original battery to the product photos to confirm the connector and mounting points match before installation.
Will the 11.4V 99Wh lithium-ion pack function correctly with the original charging circuit in an older Alienware 15 R3 Max-Q?
The pack is rated at 11.4V and 99Wh with six premium cells, matching the factory voltage so the existing charging controller manages it without modification.
How can I verify the battery is delivering its rated 99Wh capacity after fitting it?
Charge to 100 per cent, run a full discharge cycle in the OS power report or BIOS diagnostic, and confirm the reported design capacity reads 99Wh.
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