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Anker 621 Magnetic Battery vs Anker PowerCore Essential 20000 PD: Comparison
621 Magnetic Battery vs PowerCore Essential 20000 PD capacity mah compared
There is no decisive spec gap here. Capacity mah splits them by a margin most buyers will never feel, 621 Magnetic Battery 5000 mAh against PowerCore Essential 20000 PD 20000 mAh. There is a split on length as well, 104.9 mm on the 621 Magnetic Battery versus 162.1 mm on the PowerCore Essential 20000 PD. Width is not the same on both, 66.5 mm on the 621 Magnetic Battery versus 73.9 mm on the PowerCore Essential 20000 PD. They differ on thickness too, 11.4 mm on the 621 Magnetic Battery versus 24.9 mm on the PowerCore Essential 20000 PD. There is a split on dimensions as well, 4.13 x 2.62 x 0.45 in on the 621 Magnetic Battery versus 6.38 x 2.91 x 0.98 in on the PowerCore Essential 20000 PD.
Who each one is for
The 621 Magnetic Battery suits iPhone 12/13 series owners and ultra-compact magnetic backup power, though it is not the pick for iPhone 14 and later (undersized fit) and Android users. Buy the PowerCore Essential 20000 PD for long trips needing large backup capacity and USB-C PD device owners on a budget, though it is the wrong buy for fast modern charging speeds and laptop charging.
Where the two are identical
Where they agree, they agree completely, output port count, usb-c port count, ac outlet, built-in cable and display type included, so the decision does not turn on any of those. They match on 1 further specification as well.
Frequently asked questions
Do the 621 Magnetic Battery and PowerCore Essential 20000 PD differ on single port max output?
Yes. Single Port Max Output reads 12W on the 621 Magnetic Battery versus 18W on the PowerCore Essential 20000 PD.
Is the Laptop Charging 60W+ the same on the 621 Magnetic Battery and PowerCore Essential 20000 PD?
It is. Both are listed at No, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Anker 621 Magnetic Battery
- Anker
- Anker PowerCore Essential 20000 PD
- Anker
Capacity mAh
- Anker 621 Magnetic Battery
- 5000 mAh
- Anker PowerCore Essential 20000 PD
- 20000 mAhBest
Single Port Max Output
- Anker 621 Magnetic Battery
- 12W (USB-C, 5V/2.4A)
- Anker PowerCore Essential 20000 PD
- 18W (USB-C PD, 9V/2A or 15V/1.2A)
Max Output With All Ports
- Anker 621 Magnetic Battery
- 12W Max
- Anker PowerCore Essential 20000 PD
- 15W (5V/3A combined)
Output Port Count
- Anker 621 Magnetic Battery
- 1 ports
- Anker PowerCore Essential 20000 PD
- 1 ports
USB-C Port Count
- Anker 621 Magnetic Battery
- 1 ports
- Anker PowerCore Essential 20000 PD
- 1 ports
AC Outlet
- Anker 621 Magnetic Battery
- No
- Anker PowerCore Essential 20000 PD
- No
Built-in Cable
- Anker 621 Magnetic Battery
- No
- Anker PowerCore Essential 20000 PD
- No
Recharge Input Power
- Anker 621 Magnetic Battery
- 12W (USB-C 5V/2.4A)
- Anker PowerCore Essential 20000 PD
- 18W Max (5V/3A, 9V/2A, 15V/1.2A)
Display Type
- Anker 621 Magnetic Battery
- No
- Anker PowerCore Essential 20000 PD
- No
Weight
- Anker 621 Magnetic Battery
- 129 g
- Anker PowerCore Essential 20000 PD
- 12.2 gBest
Length
- Anker 621 Magnetic Battery
- 104.9 mm
- Anker PowerCore Essential 20000 PD
- 162.1 mm
Width
- Anker 621 Magnetic Battery
- 66.5 mm
- Anker PowerCore Essential 20000 PD
- 73.9 mm
Thickness
- Anker 621 Magnetic Battery
- 11.4 mm
- Anker PowerCore Essential 20000 PD
- 24.9 mm
Laptop Charging 60W+
- Anker 621 Magnetic Battery
- No
- Anker PowerCore Essential 20000 PD
- No
Dimensions
- Anker 621 Magnetic Battery
- 4.13 x 2.62 x 0.45 in
- Anker PowerCore Essential 20000 PD
- 6.38 x 2.91 x 0.98 in
Which one should you pick?
Choose Anker 621 Magnetic Battery if you already have it on hand or find it at a lower price.
Choose Anker PowerCore Essential 20000 PD if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Anker 621 Magnetic Battery | Anker PowerCore Essential 20000 PD |
|---|---|---|
| Anker Store | $42.99 View on Anker Store |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
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