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MD212J/A Battery, CAD$105.95 Batteries For APPLE MD212J/A Laptop Computer

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New And High Quality CAD$105.95 APPLE MD212J/A Battery For Laptop Computer, Genuine / Replacement APPLE MD212J/A Notebook Computer Batteries With Good Battery Cells, We Can Fast Shipping It In Canada

This MD212J/A battery, APPLE MD212J/A battery, computer battery MD212J/A, ca laptop battery can fast ship to Canada Toronto, CALGARY, Montreal, Ottawa, Edmonton, MISSISSAUGA, Vancouver, Winnipeg, Laval, QUEBEC, London, Victoria, Markham, Brampton, Oakville, Gatineau, Richmond, Hill, Surrey, Scarborough, Kitchener, Burlington, Hamilton, Saskatoon, North York, Waterloo, Windsor, Milton, Burnaby, Oshawa, Richmond, Guelph, Regina, North Vancouver, Thornhill, Sherbrooke, Kingston, Coquitlam, Halifax, Etobicoke, WHITBY, CAMBRIDGE, Kelowna, Kanata, Barrie, Nanaimo ...

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APPLE MD212J/A Replacement Battery 6600mAh, 74Wh  11.21V Black Li-ion PolymerMD212J/A Battery, CAD$105.95 Batteries For APPLE MD212J/A Laptop Computer, 6600mAh, 74Wh , 11.21V, Black , Li-ion Polymer

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APPLE MD212J/A Replacement Battery 6600mAh, 74Wh 11.21V Black Li-ion Polymer

Battery ID:NAPA143774WHB9
Battery Description:Battery For MD212J/A
Battery Type: Rechargerable Li-ion Polymer Battery
Battery Volt: 11.21V
Battery Capacity:6600mAh, 74Wh
Battery Color: Black
Battery Weight: 460g
Battery Cells: Grade A, 9 Cells
Condition:Brand New, Replacement Battery, 1 Year Warranty
Buy Note: For correct laptop battery, Pls carefully check original battery's shape, model, volt, interface location, fixed screw hole location, number of wires...
Quantity2-45-910-1920-4950+
Discount5%8%10%12%15%
  • In Stock
  • Original price: CAD$ 134.11
  • Sale Price:
    CAD$ 105.95
    ( Updated: Mar 2024 In stock)
  • You Save: CAD$ 28.16

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APPLE MD212J/A Replacement Battery 6600mAh, 74Wh 11.21V Black Li-ion Polymer
( 3-11 days free Shipping In Canada. )
Canada payment of this  APPLE MD212J/A Replacement Battery 6600mAh, 74Wh  11.21V Black Li-ion Polymer

Compatibility Of This MD212J/A Laptop Battery

This MD212J/A Laptop Battery Compatible Follow Original Battery Number:
APPLE
020-7652-A, 020-7653-A, 020-7851-A, 1ICP9/32/60-1ICP9/58/76-2, 2ICP7/35/127-2, A1425, A1437


This MD212J/A Laptop Battery Can Work With Follow Laptop:
APPLE
2.3 15 Retina 2.4 15 Retina 2013, 2.6 15 Retina 2.7 15 Retina, A1425 (2012-EMC2557), MacBook Pro 13, MacBook Pro 13 Retina A1425, MacBook Pro Retina 13 Inch, Macbook Pro Retina 13-inch A1425, MacBook Proi5 3210M/128GB, MacBook Proi5 3210M/256GB, MC975LL/A, MC976LL/A, MD212, MD212/A, MD212B/A, MD212CH/A, MD212E/A, MD212HN/A, MD212J/A, MD212LL/A, MD212LZ/A, MD212RS/A, MD212TA/A, MD212X/A, MD212ZP/A, MD831LL/A, ME662LL/A, ME662ZP/A, ME664LL/A

detail information

APPLE MD212J/A Battery | MD212J/A battery laptop | APPLE battery MD212J/A | MD212J/A computer battery | APPLE replacemetn battery MD212J/A | APPLE Laptop Battery

Question about MD212J/A laptop battery ( From internet ):

Why do MD212J/A laptop batteries degrade so fast?

The more you use your MD212J/Abattery the quicker it loses its "charge."  Batteries have a limited number of "cycles" (or charges and discharges).  This number used to be in the low 100s about five years ago, but is now reaching the point of almost 1000.

Honestly, if you use your battery regularly, I would expect it to lat as long as yours has.  It's sort of just the expense involved with using a laptop regularly.  Think of it like your car: Parts wear out.

It's a problem that scientists have struggled to solve because they couldn't figure out what was causing such sudden and rapid battery deterioration.

But now researchers at the US Department of Energy have identified why rechargeable batteries lose their ability to hold a charge over time.

Working with lithium-ion batteries, which are the most commonly used type of battery in consumer devices, the researchers were able to map their charge and discharge process down to a few billionths of a metre to find exactly how degradation occurs.

Their research appears in a pair of studies published by Nature Communications, and according to Matt Safford at Smithsonian Magazine, two main culprits in battery degradation were identified:

"The first: microscopic vulnerabilities in the structure of the battery material steer the lithium ions haphazardly through the cell, eroding the battery in seemingly random ways, much like rust spreads across imperfections in steel.

In the second study, focused on finding the best balance between voltage, storage capacity and maximum charge cycles, researchers not only found similar issues with the ion flow, but also tiny accumulations of nano-scale crystals left behind by chemical reactions, which cause the flow of ions to become even more irregular after each charge."

Running batteries at higher voltages also led to more ion path irregularities, and thus a more rapidly deteriorating battery."

We should expect to replace MD212J/A laptop battery every 1-2 years. If it lasts longer, that's great, but I would anticipate replacing it around then.

How do I check whether MD212J/A laptop battery is dead or not?

  1. Press F8 when booting up your MD212J/A laptop.
  2. At the bottom after the booting options, there will be a system diagnostics.
  3. After selecting that, your system will automatically check the proper working of every part (hardware) of your laptop.
  4. That should do it. To be safe, try disconnecting and then connecting the battery again before the diagnostics.
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