Secrets of USB Port Battery Charging
This book can be downloaded and read in Apple Books on your Mac or iOS device.
Just about every modern computer peripheral device uses the USB port. Practically all smartphones, tablets, GPS navigation units and portable electronic toys with rechargeable batteries have chargers that use the USB cable to connect the device to a wall charger and to a computer. However, the USB port on a computer was never designed to charge a battery and any of today's portable devices that require charging power above 2.5 watts will not charge rapidly on a computer USB port. The Secrets Of USB Battery Charging will explain why your devices will not "Rapid" charge on your computer USB ports and most third party chargers and alternatives to work around the limitations of the USB port power specifications.
The latest edition of this book has added emphasis on using an iPad in the cockpit of aircraft and gives pilots valuable insight on keeping an iPad charged while on for long periods of time.
Secrets Of USB Port Battery Charging
The USB port wasn't designed to charge batteries, yet every smart-phone and tablet manufacturer has embraced the interface for charging batteries. This can cause strange problems and frustrate users. Potentially, it can cause damage to computer and laptop USB ports.
Save yourself some grief, especially if you have devices from multiple vendors, and read this booklet before you plug that USB cable into your computer, laptop or a foreign charger. This booklet is especially recommended for Apple users who have iPods, iPads and iPhones, etc, and try to charge their toys on any Apple charger that is handy, and then wonder why their iPad takes forever to charge on their iPhone charger or plugged into their Apple laptop.