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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).


