How to tell when it's time to change batteries ?

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vsummer1

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On my VV's I watch my bottle level, when it gets about half way gone I replace them. They usually are about 3.65ish.

On my mechs, when my production starts going down I look at the bottle, and once again when it is half way gone it's time to check. Usually it will be about 3.65 or a tad above, and that is close enough for me. The only time I ever really get below 3.65 is when I have had too much to drink :oops:
 

Filthy-Beast

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I notice a drop in vapor production, but if I'm distracted I also think it's because I need to squonk which can lead to over squonking and juice leaking from the air hole. I start the day with a fresh battery and change it in the afternoon. This usually puts me around 3.75 to 3.8 when I change. If I go longer I'll start to notice vapor drop at around 3.65.

Also if I'm going out later in the evening I put a fresh battery in.

This truly is a YMMV as all of the following things have a play in how long batteries will last for you.

What battery and what mah
How old the battery is
what ohm coil
how often you vap
how long you hold the button for each vap
 

vsummer1

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I have a charger at work, and one at home. I just change halfway through the day if I remember. Or when I get home from work I change.

Mini gets it faster than the grand of course. I go by feel, and I am sure I change faster than I need to. I have also stretched them way out when traveling.

I vape on a 1.2 ohm coil and 1/2 Grand bottle ( 3 ml) and its time for a new batt, I don't run all the way down. 3 ml is good for me, you will find yours. Good Luck.

For me it is easier to go by juice level than time, it is more consistent across all sizes of my REO's since I may vape more or less during the same time period. But half a bottle down in them all seems to be right for me. If you meter your batteries, over time you will find what works best for you :)
 

Filthy-Beast

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One problem with it being widely adopted is that to do it's job of reading the voltage and then clamping or breaking the circuit, it would have to use voltage and will add resistance. So it will create an additional voltage drop or loss of power going from the battery to the coil. So a fully charged battery would not hit as hard and I would need to change them sooner. We typically look for the opposite, ways to reduce voltage drop, that's what the low voltage kit from Rob will do. So even if it existed I would never add it to my Reo.
 

ltrainer

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Not to hijack the thread, but I have a question... Is there anything I can use that will shut the battery down when it gets to low without me having to worry about it? ( not a kick, crown, etc)

Whats to worry over? It would take some really, really bad vaping to get a battery down to 2.5 volts where it starts to get harmful to the battery. By 3.6 the vape is weak. Thats a long way from 2.5.
 

Filthy-Beast

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On both my SVD and Lavatube they have low battery indication. The lavatube will just say "low" on the screen but the SVD gives me a good warning. Light is green = good, yellow = getting low, red = time to change

On a vv/vw this is important since you wont notice a drop in vapor performance since it's a regulated device. But as Itrainer points out long before danger levels you will notice a serious drop in performance on a mechanical.
 
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