For quick charging purposes, a current-charging mode is built on the charging battery series with small impedance resistance.
Current quick-charging, such as those using Qualcomm's Quick Charge or the faster charging capability built into the new USB-C connector takes around an hour to fully charge a large smartphone battery.
(A 2.5-hour quick charger costs $60).
Quick charge support means a full charge takes just over an hour with the right charger.
Charging the battery took a couple of hours because the P9 lacks any quick charging, which is disappointing.
But the lack of quick charging, EMUI and the fixed-focus selfie camera just hold it back slightly.
He also suggests that Formula E should drive the development of quick charging by setting challenge time periods between racing sessions.
At Nissan dealerships, it costs just 500 yen ($6.02) for a 30-minute quick charge, and just 100 yen for a normal charge (typically overnight).
In addition to her home garage charger, there's a row of units, including a 480-volt quick charger, at work.
