Consumercarts

Consumercarts is reader-supported. Learn more

Anker 621 Magnetic Battery vs EcoFlow RIVER 2: Comparison

Anker 621 Magnetic Battery vs EcoFlow RIVER 2: the capacity mah difference

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 EcoFlow RIVER 2 71000 mAh. There is a split on width as well, 66.5 mm on the Anker 621 Magnetic Battery versus 140.0 mm on the EcoFlow RIVER 2. Thickness is not the same on both, 11.4 mm on the Anker 621 Magnetic Battery versus 143.0 mm on the EcoFlow RIVER 2. They differ on dimensions too, 4.13 x 2.62 x 0.45 in on the Anker 621 Magnetic Battery versus 245 x 140 x 143mm on the EcoFlow RIVER 2.

Which should you buy, Anker 621 Magnetic Battery or EcoFlow RIVER 2?

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 EcoFlow RIVER 2 for frequent outages where fast top-ups matter and content creators cycling gear between shoots, though it is the wrong buy for ultra-budget buyers (X-Stream tech carries a price premium) and pure USB-only charging needs with no AC device to run. It is the wrong buy for users without access to a standard AC wall outlet for recharging. Our rating of the EcoFlow RIVER 2 (8.6/10): best pick for anyone who drains and refills a power station multiple times a day and can't wait around for it to charge.

Frequently asked questions

Do the Anker 621 Magnetic Battery and EcoFlow RIVER 2 differ on weight?

Yes. Weight reads 129 g on the Anker 621 Magnetic Battery versus 7.7 g on the EcoFlow RIVER 2.

Is the Output Port Count the same on the Anker 621 Magnetic Battery and EcoFlow RIVER 2?

It is. Both are listed at 1 ports, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Brand

    Anker 621 Magnetic Battery
    Anker
    EcoFlow RIVER 2
    EcoFlow
  • Capacity mAh

    Anker 621 Magnetic Battery
    5000 mAh
    EcoFlow RIVER 2
    71000 mAhBest
  • Output Port Count

    Anker 621 Magnetic Battery
    1 ports
    EcoFlow RIVER 2
    1 ports
  • Recharge Input Power

    Anker 621 Magnetic Battery
    12W (USB-C 5V/2.4A)
    EcoFlow RIVER 2
    AC wall (X-Stream), 0-100% in about 1 hour; also solar 110W and car charging
  • Weight

    Anker 621 Magnetic Battery
    129 g
    EcoFlow RIVER 2
    7.7 gBest
  • Length

    Anker 621 Magnetic Battery
    104.9 mm
    EcoFlow RIVER 2
    245.0 mm
  • Width

    Anker 621 Magnetic Battery
    66.5 mm
    EcoFlow RIVER 2
    140.0 mm
  • Thickness

    Anker 621 Magnetic Battery
    11.4 mm
    EcoFlow RIVER 2
    143.0 mm
  • Dimensions

    Anker 621 Magnetic Battery
    4.13 x 2.62 x 0.45 in
    EcoFlow RIVER 2
    245 x 140 x 143mm

    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 EcoFlow RIVER 2 if you already have it on hand or find it at a lower price.

    Price comparison

    RetailerAnker 621 Magnetic BatteryEcoFlow RIVER 2
    Anker Store

    $42.99

    View on Anker Store
    EcoFlowView on EcoFlow

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

    Verdict

    EcoFlow RIVER 2

    8.6 / 10 Expert Rating

    Best pick for anyone who drains and refills a power station multiple times a day and can't wait around for it to charge.

    More comparisons in Power Banks