PISKEKAT
PISKEKAT M5Y1K 14.8V 40Wh 14 15 17 3000 5000 3451 3452 3458 3551 5458 5755 5756 laptop battery
A 14.8V 40Wh lithium-ion replacement battery for Dell Inspiron 14, 15 and 17 3000 and 5000 series laptops
- Battery TypeLaptop Batteries
- Ready to install in many Dell Inspiron and Vostro laptops
- 40 Wh capacity at 14.8 V powers long sessions
- Four lithium-ion cells deliver reliable recharge cycles
- CE and FCC certified for safety compliance
- Fits models from the 3000 and 5000 series before 2018
Replacement battery for pre-2018 Dell Inspiron
This 40Wh lithium-ion pack operates at 14.8V and uses a 4-cell layout to replace the original Dell M5Y1K unit. It fits a long list of Inspiron 14, 15 and 17 models from the 3000 and 5000 series, plus matching Vostro and Latitude notebooks. Buyers with Dell laptops released after 2018 cannot use this battery. ||
Thermals and power draw
The 2600mAh cell configuration delivers standard run-time for everyday office tasks and media playback. No active cooling is required because the pack is passively cooled by the laptop chassis. Power draw follows the host system's charge controller, so heat and noise remain identical to the original battery. ||
Certified safety and fit
CE and FCC certification confirms compliance with electrical safety and emissions standards. The physical envelope measures 10.6 by 1.5 by 0.75 inch, matching the OEM footprint for a direct drop-in installation. No additional cables, drivers or software are bundled.
Highlights
- Ready to install in many Dell Inspiron and Vostro laptops
- 40 Wh capacity at 14.8 V powers long sessions
- Four lithium-ion cells deliver reliable recharge cycles
- CE and FCC certified for safety compliance
- Fits models from the 3000 and 5000 series before 2018
Specifications
| Battery Type | Laptop Batteries |
|---|
Questions about this item
How do I install the M5Y1K 14.8V 40Wh battery in my Dell Inspiron 15 5000 series, and what step is often missed?
Power off the laptop, unplug the AC adapter, remove the bottom case screws, disconnect the old battery cable, fit the new 4-cell pack, reconnect the cable, then reassemble; the step often missed is disconnecting the battery cable before removing the old pack.
What maintenance or replacement will the M5Y1K 14.8V 40Wh lithium-ion battery need later?
No routine maintenance is required; the 2600mAh 4-cell pack will eventually lose capacity after many charge cycles, at which point the whole battery must be replaced.
What limit appears first on the M5Y1K 14.8V 40Wh battery during sustained heavy use?
The 40Wh capacity and 14.8V output set the runtime ceiling; under continuous high load the pack will deplete faster and its voltage will sag, limiting usable time before recharge.
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