Understanding mAh?
In advertisements, I've seen what appear to me to be some very large mAh capacities on some portable smartphone chargers. Plus, there appears to be inordinate price fluctuations.
For example, on a single webpage, there may be a "300,000 mAh dual usb portable solar battery charger solar power bank" for $15.99 (USD), as well as a "6,700 mAh Portable Charger for Most USB-Enabled Devices" for $31.99 (USD).
Am I missing something here?
HP Z400 Workstation, Xeon 3680 hexcore 3.33 GHz, 18 GB ram, 2TB hdd; Windows 10; Ubuntu 18.04/Mate; Deepin 20/Beta (doesn't boot)//,160 GB hdd; Ultimate Edition Oz Unity Star Sapphire.
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