I have a flir breach. The plan is to use an external anker battery (Anker Astro E1 6700mAh) with a surefire rechargeable battery in the flir. Here is the question.
Will the flir drain the surefire first and then the anker take over or will the anker keep the surefire charged?
Will the flir drain the surefire first and then the anker take over or will the anker keep the surefire charged?