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Acer AP19B8K Replacement Battery vs Acer AP21A8T Replacement Battery: Comparison

What is the difference between AP19B8K Replacement Battery and AP21A8T Replacement Battery?

On capacity wh the spread is 54%, AP19B8K Replacement Battery 42 Wh against AP21A8T Replacement Battery 90.61 Wh, so AP21A8T Replacement Battery takes it. On battery model code there is little in it, AP19B8K on the AP19B8K Replacement Battery versus AP21A8T on the AP21A8T Replacement Battery. They differ on oem spare part number too, AP19B5K on the AP19B8K Replacement Battery versus AP21A7T, AP21A5T on the AP21A8T Replacement Battery. There is a split on nominal voltage as well, 11.4 V on the AP19B8K Replacement Battery versus 15.4 V on the AP21A8T Replacement Battery. There is a split on cell count as well, 3 on the AP19B8K Replacement Battery versus 4 on the AP21A8T Replacement Battery. Series configuration is not the same on both, 3S on the AP19B8K Replacement Battery versus 4S on the AP21A8T Replacement Battery. Compatible models is not the same on both, Acer Aspire 3 A315-24P , Acer Aspire 3 A315-59... on the AP19B8K Replacement Battery versus Acer Nitro 16 AN16-41 , Acer Predator Helios 18... on the AP21A8T Replacement Battery.

AP19B8K Replacement Battery vs AP21A8T Replacement Battery: which one fits your build

Buy the AP19B8K Replacement Battery for aspire 3 A315-24P and A315-59 owners, though it is not built for other Aspire 3 generations not listed here. Take the AP21A8T Replacement Battery for nitro 16 AN16-41 owners with an AP21A8T, AP21A7T or AP21A5T label. It is the wrong buy for buyers who need a maker-confirmed fit for the Predator Helios 18 or Helios Neo 16 before ordering.

Where the two are identical

The common ground is wider than the gap: capacity basis, expected firmware state and shipping classification are identical here.

Specs and benchmarks

  • Brand

    Acer AP19B8K Replacement Battery
    Acer
    Acer AP21A8T Replacement Battery
    Acer
  • Battery Model Code

    Acer AP19B8K Replacement Battery
    AP19B8K
    Acer AP21A8T Replacement Battery
    AP21A8TBest
  • OEM Spare Part Number

    Acer AP19B8K Replacement Battery
    AP19B5K
    Acer AP21A8T Replacement Battery
    AP21A7T, AP21A5T
  • Nominal Voltage

    Acer AP19B8K Replacement Battery
    11.4 V
    Acer AP21A8T Replacement Battery
    15.4 V
  • Cell Count

    Acer AP19B8K Replacement Battery
    3
    Acer AP21A8T Replacement Battery
    4
  • Series Configuration

    Acer AP19B8K Replacement Battery
    3S
    Acer AP21A8T Replacement Battery
    4S
  • Capacity Wh

    Acer AP19B8K Replacement Battery
    42 Wh-54%
    Acer AP21A8T Replacement Battery
    90.61 WhBest
  • Capacity Basis

    Acer AP19B8K Replacement Battery
    Seller Claim
    Acer AP21A8T Replacement Battery
    Seller Claim
  • Expected Firmware State

    Acer AP19B8K Replacement Battery
    full_function
    Acer AP21A8T Replacement Battery
    full_function
  • Shipping Classification

    Acer AP19B8K Replacement Battery
    UN3481
    Acer AP21A8T Replacement Battery
    UN3481
  • Compatible Models

    Acer AP19B8K Replacement Battery
    Acer Aspire 3 A315-24P (Ryzen 5 7520U), Acer Aspire 3 A315-59 (Core i5-1235U), Acer Aspire 3 A315-56
    Acer AP21A8T Replacement Battery
    Acer Nitro 16 AN16-41 (Ryzen 7 7735HS, RTX 4060), Acer Predator Helios 18 PH18-71 (Core i9-14900HX, RTX 4090), Acer Predator Helios Neo 16 (Core i7-14700HX, RTX 4060)

    Which one should you pick?

    Choose Acer AP19B8K Replacement Battery if you already have it on hand or find it at a lower price.

    Choose Acer AP21A8T Replacement Battery if you want the higher capacity wh (90.61 Wh vs 42 Wh).