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Anker 621 Magnetic Battery vs Voltme Revo 300: Comparison

Anker 621 Magnetic Battery and Voltme Revo 300 separate most on capacity: Anker 621 Magnetic Battery at 5,000 mAh, Voltme Revo 300 at 10,000 mAh, 50% in favor of Voltme Revo 300.

Which is better, Anker 621 Magnetic Battery or Voltme Revo 300?

On paper, Voltme Revo 300 has the edge on capacity, at 10,000 mAh vs Anker 621 Magnetic Battery at 5,000 mAh.

What is the main difference between Anker 621 Magnetic Battery and Voltme Revo 300?

The Voltme Revo 300 is the stronger choice on paper: it has 2x the capacity (10,000 mAh vs 5,000 mAh), so it gives more recharges. It also has 25x the total output (300W across all ports when plugged into wall power vs 12W Max), so it can charge a laptop, not just a phone.

Anker 621 Magnetic Battery (MagGo, 5,000mAh, USB-C, 12W Max)

AnkerAnker 621 Magnetic Battery

Voltme

VoltmeVoltme Revo 300

AnkerAnker 621 Magnetic Battery

Voltme

VoltmeVoltme Revo 300

Specs and benchmarks

Show Only Differences

Brand
Anker 621 Magnetic Battery
Anker
Voltme Revo 300
Voltme
Built-in Cable
Anker 621 Magnetic Battery
No
Voltme Revo 300
Yes, 2 retractable USB-C cables built into the housing
Weight
Anker 621 Magnetic Battery
129 g
Voltme Revo 300
1.1 gBest
Capacity
Anker 621 Magnetic Battery
5000 mAh-50%
Voltme Revo 300
10000 mAhBest
Total Output
Anker 621 Magnetic Battery
12W Max
Voltme Revo 300
300W across all ports when plugged into wall power
Ports
Anker 621 Magnetic Battery
1x USB-C, Magnetic Wireless
Voltme Revo 300
2x retractable USB-C cables, 1x additional USB-C port, 1x USB-A
Recharge Input
Anker 621 Magnetic Battery
12W (USB-C 5V/2.4A)
Voltme Revo 300
AC wall, internal battery charges while plugged in
Dimensions
Anker 621 Magnetic Battery
4.13 x 2.62 x 0.45 in
Voltme Revo 300
120 x 85 x 45mm

Specification	Anker 621 Magnetic Battery	Voltme Voltme Revo 300
Brand	Anker	Voltme
Built-in Cable	No	Yes, 2 retractable USB-C cables built into the housing
Weight	129 g	1.1 g
Capacity	5000 mAh-50%	10000 mAh
Total Output	12W Max	300W across all ports when plugged into wall power
Ports	1x USB-C, Magnetic Wireless	2x retractable USB-C cables, 1x additional USB-C port, 1x USB-A
Recharge Input	12W (USB-C 5V/2.4A)	AC wall, internal battery charges while plugged in
Dimensions	4.13 x 2.62 x 0.45 in	120 x 85 x 45mm

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 Voltme Revo 300 if you want the higher capacity (10000 mAh vs 5000 mAh).

Price comparison

Retailer	Anker 621 Magnetic Battery	Voltme Revo 300
Anker.com	View on Anker.com
Voltme		View on Voltme

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

Voltme Revo 300

7.9 / 10 Expert Rating

A clever cable-declutter solution for a desk, with portable charging as a secondary bonus, not the other way around.