Laptop Battery for Dell Inspiron 14-5421 3421, 15-3521 15-3537 15R-5521 17-3721 3440 3540 Series, Dell Vostro 2421 2521 Dell 15R-5537 15R-N3521 15R-N5521

$48.85

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 Dell Laptop Battery for Inspiron 14 3421, 14 N3421, 15 3521, 17 3721, Vostro 2421, 2521, Latitude 3540, 3440

Dell Laptop Battery for Inspiron 14 3421, 14 N3421, 15 3521, 17 3721, Vostro 2421, 2521, Latitude 3540, 3440

*Please double check your old battery against our pictures, mainly unique edges and connection points*

 

Compatible Laptop Brand

DELL

Condition

Brand New

Cell Number

6 Cells

Capacity

5200 mAh/ 4400 mAh

Output Voltage

10.8V / 11.1V

Colour

Black

Cell Technology

Li-Ion Battery

Warranty

1 Year from purchase

Compatible Battery Part Number (Use Ctrl+F to search)

MR90Y  N121Y  PVJ7J  312-1387  G019Y     0MF69     6HY59     4DMNG       8RT13        8TT5W     68DTP   6XH00     9K1VP     VR7HM    V1YJ7        W6XNM      312-1390  6K73M    YGMTN    MK1R0    312-1392     49VTP

 

Compatible Laptop Model (Use Ctrl+F to search)

Vostro 2421 Vostro 2521 

Inspiron 14 (3421 3437)  Inspiron 14R (5421 5437) 

Inspiron 15 (3521 3537) Inspiron 15R (5521 5537) 

Inspiron 17 (3721 3737) Inspiron 17R (5721 5737) 

Dell Inspiron 14(Ins14VD-2306) 

Dell Inspiron 14(Ins14VD-2308) 

Dell Inspiron 14(Ins14VD-2316) 

Dell Inspiron 14(Ins14VD-2408) 

Dell Inspiron 14(Ins14VD-2418)

Dell Inspiron 14(Ins14VD-2518) 

Dell Inspiron 14(Ins14VD-A516) 

Ins14vr  Ins14v-A316

 

Proper Battery Usage

  • For first time usage, please charge the battery for 3 to 4 hours before using the laptop - usually it requires 2 to 3 charge/ discharge cycles before the battery achieves maximum capacity.
  • Best practice is to unplug the charger when the battery is full. And plug in charger when battery reaches 20% to 30%.
  • Usage time depends on how you are using your laptop. eg screen brightness, number of applications running etc. Average time is around 2 to 3 hours of continuous usage.
  • Careful not to short-circuit the battery by placing the terminals in contact with other metal objects.
Model

nbb-dell 5421/ MR90Y

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