Beisite M5Y1K 40Wh 14.8V laptop battery
Replacement lithium-ion battery delivering 40 Wh at 14.8 V for compatible Dell Inspiron 14, 15 and 17 series laptops
- Battery typeLithium-Ion
- Battery voltage rating14.8 V
- Battery capacity40 Wh
- Product colorBlack
- Product typeBattery
- Compatible withFor Inspiron 14 3458 3551 3451 3558 5458 5558 5559 5755 5758
- 40Wh capacity keeps your Dell Inspiron running longer
- 8V lithium-ion cell matches original voltage for safe operation
- Replaces OEM part numbers M5Y1K K185W GXVJ3 HD4J0 WKRJ2 VN3N0 451-BBMG
- Fits Inspiron 14 3000 5000 and 15 3000 series models
- Brand new battery includes 12 month warranty for peace of mind
40Wh 14.8V replacement battery
This 40Wh lithium-ion battery operates at 14.8V and is designed for select Dell Inspiron and Vostro laptops. It arrives new in black and replaces part numbers including M5Y1K, K185W, GXVJ3 and HD4J0. The pack is a direct swap for the original power source in compatible machines.
For owners of listed Inspiron and Vostro models
The cell fits the Inspiron 14 3000 and 5000 series, Inspiron 15 3000 series and several 17-inch configurations alongside matching Vostro 14 and 15 units. Buyers whose laptop requires a different voltage, capacity or physical layout should look elsewhere, as this unit only matches the specifications shown.
40Wh capacity at 14.8V
The 40 watt-hour rating at 14.8 volts determines whether this pack will power your device correctly. Verify that your original battery carries the same voltage and capacity before ordering, since a mismatch will prevent proper operation.
How it compares
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
- Price $27.99
- Cheaper than about 56% of the 27,790 comparable items (median $30.99).
Specifications
| Product | |
|---|---|
| Brand name | M5Y1K |
| Model name | M5Y1K |
| Part number | M5Y1K |
| Product color | Black |
| Product type | Battery |
| Power | |
| Battery type | Lithium-Ion |
| Battery voltage rating | 14.8 V |
| Battery capacity | 40 Wh |
| Compatibility | |
| Compatible with | For Inspiron 14 3458 3551 3451 3558 5458 5558 5559 5755 5758 Series |
Questions about this item
Does the 14.8 V 40 Wh lithium-ion pack run hot during all-day use?
The 40 Wh cell operates at standard laptop voltage and typical discharge rates; normal warmth is expected but excessive heat suggests a worn cell or blocked vents.
Which original part number must match for this M5Y1K battery to fit my machine?
Match your old battery to M5Y1K, K185W, GXVJ3, HD4J0, WKRJ2, VN3N0 or 451-BBMG before ordering.
Will this replacement work in an older Inspiron 15-3551 that still has its factory charger?
Yes, the pack is listed for Inspiron 15-3551 and other 3000-series models, so the original 14.8 V charger remains compatible.
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