How can I check the battery life of a device that has no display? For example, I have a jamxt Bluetooth speaker that I use for audio on my MacBook Air for gaming and music streaming ect... Now it does have a low battery indicator, but that rarely gives me a sense of if it'll die during a long game of LOL. Is there any way to measure the charge remaining on said devices? Also, I have a portable battery that does little to tell me of its remaining power. Both have micro USB ports.
Submitted October 01, 2015 at 10:58PM by seth285 http://ift.tt/1KPeqKq
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