If there's one thing I think we can all agree on, it's that when our phones are low on juice, we're willing to jump through a hoop or two to power back up. Be it an awkwardly placed public wall outlet, regularly carrying around external chargers, or buying a phone with a user-replaceable battery so that swapping in a spare is quick and easy.

We also all know somewhat instinctively that using our phones while they're on a charger will decrease the rate at which they charge - that's just common sense. Even if the phone is charging, using the device obviously consumes power, and that cancels out some of the net effect charging has.

Read More