Dr. Battery
Dr. Battery MPL05283P-06 4-cell 14.8V 2200mAh laptop battery
Four-cell lithium-ion replacement battery delivering 14.8V and 2200mAh for compatible Dell Inspiron models
- ColorBlack
- TypeBattery
- CompatibilityDell Inspiron 14(3421) / 14(3437) / 14(3442) / 14R(5421) / 1
- Battery Type4 Cell Lithium-Ion
- Battery Voltage14.8V
- Battery Capacity2200 mAh
- Longer runtime with 2200 mAh capacity
- Reliable power from 4-cell lithium-ion design
- Steady 14.8 V output matches OEM spec
- Broad fit across many Dell Inspiron models
- Built-in protection against short circuit and overheat
Replacement Battery for Dell Inspiron Laptops
This Dr. Battery unit replaces the original power pack in a wide range of Dell Inspiron models including the 14‑inch 3421, 3437, 3442, 14R 5421, 15‑inch 3521, 3531, 3541, 3542, 3543, 15R 5521, 5537, 17‑inch 3721, 3737, 5748 and 17R 5721, 5737. It is built for owners who need a direct‑fit, new lithium‑ion cell to restore mobile operation.
Upgrading from a Depleted or Failed Pack
The jump is worth it when the existing battery no longer holds a useful charge, shuts down unexpectedly or shows physical swelling. A fresh 4‑cell 14.8V 2200mAh unit restores the original runtime specification and the built‑in protection circuits guard against short‑circuit, overheat and overload conditions. Buyers who need higher capacity than 32Wh or a different voltage should look elsewhere.
Limits of the 14.8V 4‑Cell Lithium‑Ion Design
The pack delivers a fixed 14.8 volts and 2200 milliampere‑hours, so runtime scales directly with the laptop’s power draw and cannot be extended without a physically larger or higher‑density cell. The smart control chip manages charging current and safety cut‑offs, but it does not alter the fundamental energy ceiling of the 32 watt‑hour rating. Compatibility is limited to the listed Dell part numbers such as 6KP1N, 6XH00, 8RT13, 8TT5W, 9K1VP, DJ9W6, FW1MN, G019Y, G35K4 and MK1R0.
Highlights
- Longer runtime with 2200 mAh capacity
- Reliable power from 4-cell lithium-ion design
- Steady 14.8 V output matches OEM spec
- Broad fit across many Dell Inspiron models
- Built-in protection against short circuit and overheat
Specifications
| Brand | Dr. Battery |
|---|---|
| Model | MPL05283P-06 |
| Color | Black |
| Type | Battery |
| Compatibility | Dell Inspiron 14(3421) / 14(3437) / 14(3442) / 14R(5421) / 15(3521) / 15(3531) / 15(3541) / 15(3542) / 15(3543) / 15R(5521) / 15R(5537) / 17(3721) / 17(3737) / 17(5748) / 17R(5721) / 17R(5737) Dell Inspiron 3421 / 3437 / 3443 / 3521 / 3531 / 3537 / 3543 / 3721 / 5749 / 3847 / 5421 / 5437 / 5521 / 5537 / 5721 / 5749 / 7447 Dell Latitude 3440 / 3540 / E3440 Dell Vostro 2421 / 2521 / 3445 / 3446 / 3449 / 3546 / 3549 Original Battery Part Number : 0MF69 / 24DRM / 312-1387 / 312-1390 / 312-1392 / 312-1433 / 451-12107 / 451-12108 / 49VTP / 4DMNG / 4WY7C / 68DTP / 6HY59 / 6K73M / 6KP1N / 6X |
| Battery Type | 4 Cell Lithium-Ion |
| Battery Voltage | 14.8V |
| Battery Capacity | 2200 mAh |
Questions about this item
What Dell Inspiron chassis dimensions does this 4-cell 14.8 V pack fit?
It replaces the original battery in Inspiron 14 (3421, 3437, 3442), 14R (5421), 15 (3521, 3531, 3541, 3542, 3543), 15R (5521, 5537), 17 (3721, 3737, 5748) and 17R (5721, 5737) models.
Which screw or latch step is most often missed when swapping this battery?
After sliding the pack into the bay, many users forget to re-engage the spring-loaded release latch until it clicks, leaving the battery loose.
When will the 32 Wh lithium-ion pack need replacing?
Runtime gradually shortens as the cells age; when a full charge no longer powers the laptop for a useful work session, the battery should be swapped.
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