Recharging the battery in the Voyager Air 2 with the USB cable can be complicated.
The USB connection provides just 0.5 amps of current, which can take as long as 12 hours (or more) to fully recharge the (large) 6200 mAh battery.
Every device with a Li-Ion battery is required to include safety circuitry to prevent overcharging, and that overcharging safety timeout is six hours. In order to resume charging if you hit that six hour limit you need to unplug and replug the cable - effectively starting another "charging session."
The end result is that in some cases, with a fully discharged battery, you may need to unplug/replug after six hours, and again after another six hours.
For right now, we are working to get the price of the optional power adapter kit (part number CMFAIR-PWRKIT-A) - which includes a wall adapter with international plugs and 2A car adapter - as low as possible. We are also investigating other options.
The USB connection provides just 0.5 amps of current, which can take as long as 12 hours (or more) to fully recharge the (large) 6200 mAh battery.
Every device with a Li-Ion battery is required to include safety circuitry to prevent overcharging, and that overcharging safety timeout is six hours. In order to resume charging if you hit that six hour limit you need to unplug and replug the cable - effectively starting another "charging session."
The end result is that in some cases, with a fully discharged battery, you may need to unplug/replug after six hours, and again after another six hours.
For right now, we are working to get the price of the optional power adapter kit (part number CMFAIR-PWRKIT-A) - which includes a wall adapter with international plugs and 2A car adapter - as low as possible. We are also investigating other options.
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