For your single EDC, is your battery rechargeable or primary? Reason I ask is logistics. If you use a primary for capacity, how do you know you are fully prepared when leaving? Using the light for a few minutes will drain your battery obviously and now you are leaving the house with a less than full tank. Vs if you use an RCR, you can easily recharge it every time you us it to ensure you are at 100%. Thoughts?