Anker unveils its most powerful power bank yet: a 20kg device with impressive specs

Written By G Max

Anker has unveiled its largest portable battery, the 757 PowerHouse . The $1,400 device has a power of 1,500 W, a capacity of 1,229 Wh and is built on lithium iron phosphate (LiFePO4) batteries, which the manufacturer promises to charge faster, last longer and be safer than conventional lithium-ion batteries.

LiFePO4 is nothing new in battery technology. Such batteries are used in some electric vehicles, they really have a longer life and a low probability of ignition, which is important because the batteries can be damaged during an accident.

The disadvantage is their weight, they are much heavier than lithium-ion batteries for the same capacity, so they are not used in consumer electronics. For example, Anker 757 Powerhouse weighs almost 20 kg.

However, for such large portable batteries, the use of LiFePO4 has its advantages.

The Anker 757 PowerHouse can provide 100W of Power Delivery charging power for laptops, has two 3-pin sockets, three 2-pin sockets, four USB-A ports of 12W each, and a car cigarette lighter socket.

The manufacturer says its battery can charge from the sun faster than most competitors – it is able to reach 80% charge in just 3.6 hours with a 300-watt array of solar panels, which the company will also soon be selling at an as-yet-undisclosed price.

Anker offers a 5-year warranty on its battery (other companies rarely give more than two years), and claims the 757 PowerHouse will retain 100% of its rated capacity after 3,000 charge cycles.

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