Consumercarts

Consumercarts is reader-supported. Learn more

Anker 621 Magnetic Battery vs Cuktech 30 Power Bank: Comparison

Anker 621 Magnetic Battery vs Cuktech 30 Power Bank capacity mah compared

There is no decisive spec gap here. Capacity mah splits them by a margin most buyers will never feel, Anker 621 Magnetic Battery 5000 mAh against Cuktech 30 Power Bank 40000 mAh. There is a split on output port count as well, 1 ports on the Anker 621 Magnetic Battery versus 2 ports on the Cuktech 30 Power Bank. They differ on usb-c port count too, 1 ports on the Anker 621 Magnetic Battery versus 2 ports on the Cuktech 30 Power Bank. There is a split on recharge input power as well, 12W on the Anker 621 Magnetic Battery versus 140 W on the Cuktech 30 Power Bank. Display type is not the same on both, No on the Anker 621 Magnetic Battery versus Yes on the Cuktech 30 Power Bank. They differ on laptop charging 60w+ too, No on the Anker 621 Magnetic Battery versus Yes on the Cuktech 30 Power Bank. They differ on protections too, Anker MultiProtect safety technology on the Anker 621 Magnetic Battery versus PWM adaptive intelligent cooling fan; 4 built-in temperature sensors on the Cuktech 30 Power Bank.

Which should you buy, Anker 621 Magnetic Battery or Cuktech 30 Power Bank?

The Anker 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 Cuktech 30 Power Bank for multi-device road trips and charging laptops and phones simultaneously, though it is the wrong buy for air travel (exceeds 100Wh airline limit) and ultralight packing.

Frequently asked questions

Do the Anker 621 Magnetic Battery and Cuktech 30 Power Bank differ on single port max output?

Yes. Single Port Max Output reads 12W on the Anker 621 Magnetic Battery versus 140 W on the Cuktech 30 Power Bank.

Is the AC Outlet the same on the Anker 621 Magnetic Battery and Cuktech 30 Power Bank?

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
    Cuktech 30 Power Bank
    Cuktech
  • Capacity mAh

    Anker 621 Magnetic Battery
    5000 mAh
    Cuktech 30 Power Bank
    40000 mAhBest
  • Single Port Max Output

    Anker 621 Magnetic Battery
    12W (USB-C, 5V/2.4A)
    Cuktech 30 Power Bank
    140 W
  • Max Output With All Ports

    Anker 621 Magnetic Battery
    12W Max
    Cuktech 30 Power Bank
    300 W
  • Output Port Count

    Anker 621 Magnetic Battery
    1 ports
    Cuktech 30 Power Bank
    2 ports
  • USB-C Port Count

    Anker 621 Magnetic Battery
    1 ports
    Cuktech 30 Power Bank
    2 ports
  • AC Outlet

    Anker 621 Magnetic Battery
    No
    Cuktech 30 Power Bank
    No
  • Built-in Cable

    Anker 621 Magnetic Battery
    No
    Cuktech 30 Power Bank
    No
  • Recharge Input Power

    Anker 621 Magnetic Battery
    12W (USB-C 5V/2.4A)
    Cuktech 30 Power Bank
    140 W
  • Display Type

    Anker 621 Magnetic Battery
    No
    Cuktech 30 Power Bank
    Yes
  • Laptop Charging 60W+

    Anker 621 Magnetic Battery
    No
    Cuktech 30 Power Bank
    Yes
  • Protections

    Anker 621 Magnetic Battery
    Anker MultiProtect safety technology
    Cuktech 30 Power Bank
    PWM adaptive intelligent cooling fan; 4 built-in temperature sensors

    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 Cuktech 30 Power Bank if you already have it on hand or find it at a lower price.

    Price comparison

    RetailerAnker 621 Magnetic BatteryCuktech 30 Power Bank
    Anker Store

    $42.99

    View on Anker Store
    AmazonView on Amazon

    Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

    More comparisons in Power Banks