Xiaomi Mi 2 Powerbank 20,000mAh Review - New 20Ah King? - USB Power Devices

30-4-2019 Update Almost 2 years after my initial review and regular use of about 100 full cycles my unit started to show signs of swelling. My power bank is fully charged and ready to go most of the time, which is not optimal for Li-Ion storage but otherwise defeats the purpose of a power bank. And that’s how most people who are not into batteries will use them anyways, so “real world results” nonetheless. A bit of swelling in pouch batteries is not always dangerous but there is a chance it co

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Xiaomi Mi 2 Powerbank 20,000mAh Review - New 20Ah King? - USB Power Devices

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