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Anker 621 Magnetic Battery vs Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K: Comparison

What is the difference between Anker 621 Magnetic Battery and Belkin BoostCharge Pro 3-Port Laptop?

These two are close on paper, and capacity mah is the only measure that separates them at all: Anker 621 Magnetic Battery 5000 mAh against Belkin BoostCharge Pro 3-Port Laptop 19200 mAh. There is a split on usb-c port count as well, 1 ports on the Anker 621 Magnetic Battery versus 2 ports on the Belkin BoostCharge Pro 3-Port Laptop. There is a split on recharge input power as well, 12W on the Anker 621 Magnetic Battery versus 45W on the Belkin BoostCharge Pro 3-Port Laptop. Display type is not the same on both, No on the Anker 621 Magnetic Battery versus Yes on the Belkin BoostCharge Pro 3-Port Laptop. They differ on length too, 104.9 mm on the Anker 621 Magnetic Battery versus 131.0 mm on the Belkin BoostCharge Pro 3-Port Laptop.

Who each one is for

The Anker 621 Magnetic Battery is the one to take for iPhone 12/13 series owners and ultra-compact magnetic backup power, though it is not built for iPhone 14 and later (undersized fit) and Android users. The Belkin BoostCharge Pro 3-Port Laptop suits charging a MacBook Air/Pro on the go and camping and long trips away from outlets, though it is not the pick for pass-through charging while the bank itself charges and 90W+ laptops needing full-speed charging.

Which is cheaper, Anker 621 Magnetic Battery or Belkin BoostCharge Pro 3-Port Laptop?

At the last price check the Anker 621 Magnetic Battery was $42.99 and the Belkin BoostCharge Pro 3-Port Laptop $89.99, a 109% premium.

Frequently asked questions

Do the Anker 621 Magnetic Battery and Belkin BoostCharge Pro 3-Port Laptop differ on single port max output?

Yes. Single Port Max Output reads 12W on the Anker 621 Magnetic Battery versus 65 W on the Belkin BoostCharge Pro 3-Port Laptop.

Is the AC Outlet the same on the Anker 621 Magnetic Battery and Belkin BoostCharge Pro 3-Port Laptop?

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
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    Belkin
  • Capacity mAh

    Anker 621 Magnetic Battery
    5000 mAh
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    19200 mAhBest
  • Single Port Max Output

    Anker 621 Magnetic Battery
    12W (USB-C, 5V/2.4A)
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    65 W
  • Max Output With All Ports

    Anker 621 Magnetic Battery
    12W Max
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    65 W
  • Output Port Count

    Anker 621 Magnetic Battery
    1 ports
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    2 ports
  • USB-C Port Count

    Anker 621 Magnetic Battery
    1 ports
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    2 ports
  • AC Outlet

    Anker 621 Magnetic Battery
    No
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    No
  • Built-in Cable

    Anker 621 Magnetic Battery
    No
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    No
  • Recharge Input Power

    Anker 621 Magnetic Battery
    12W (USB-C 5V/2.4A)
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    45W (USB-C PD)
  • Display Type

    Anker 621 Magnetic Battery
    No
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    Yes
  • Weight

    Anker 621 Magnetic Battery
    129 g
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    0.84 gBest
  • Length

    Anker 621 Magnetic Battery
    104.9 mm
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    131.0 mm
  • Width

    Anker 621 Magnetic Battery
    66.5 mm
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    85.0 mm
  • Thickness

    Anker 621 Magnetic Battery
    11.4 mm
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    25.5 mm
  • Price

    Anker 621 Magnetic Battery
    $42.99
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    $89.99
  • Laptop Charging 60W+

    Anker 621 Magnetic Battery
    No
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    Yes
  • Dimensions

    Anker 621 Magnetic Battery
    4.13 x 2.62 x 0.45 in
    Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    5.2 x 3.4 x 1 in (131 x 85 x 25.5mm)

    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 Belkin BoostCharge Pro 3-Port Laptop Power Bank 20K if you already have it on hand or find it at a lower price.

    Price comparison

    RetailerAnker 621 Magnetic BatteryBelkin BoostCharge Pro 3-Port Laptop Power Bank 20K
    Anker Store

    $42.99

    View on Anker Store
    Newegg

    $89.99

    View on Newegg
    Belkin StoreView on Belkin 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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