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Omnicharge Omni 20+ USB-C 100W

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  • Acceptable
    1 month ago
    Barely approved. How to summarize this.

    Incorrect number of mAh - this Omnicharge Omni-20 + USB-C should have 20400mAh - but that is the capacity the lithium batteries themselves have at 3.6volts. It is a position that this can NEVER take advantage of. So already here it is wrong, since the USB ports give at least 5 volts, thus this max has a capacity of just over 14000mAh. Then it loses 10% capacity, so in reality this is around 12500 usable mAh in 5volts.

    Yes it supports that you charge it while charging any type of device (mobile, tablet, laptop etc.). BUT with the miss in capacity I mention above this is extremely expensive. You can buy any other 20000 mAh for one fifth, or buy 5 more times for the same cost.

    Then you have to charge it almost evenly until it shuts itself off and then recalibrate, if yes, every charge seems to be.

    I tried to charge my Microsoft Surface Book 2 (i5, 13.5 ") which has about 9200mAh (at 7.5volt!), This Omnicharge Omni-20 + does not even have the capacity to fully charge my laptop even once - it may come to 90% - or as I happened to test with my Surface Book 2 discharged to about 40%, and it pulled out ALL capacity from the power bank to charge to 100%.

    Thus, extremely expensive product, yes it can certainly act as my UPS for some USB connected devices, but in my world it is not the world purchase - I simply regret the purchase.

    Note: to really succeed in charging this Omni-20 + to 100%, Omnicharge's own USB-C wall charger was required for an additional 500 sec. It is excellent of course, but for these 500 you can buy an additional 20000mAh no-name powerbank.