high volt with high ohm = longer batt life?

[rickylah]

im thinking how to prolong my batt life. using 2.4ohm currently. batt life is ok. but i read using high ohm like 2.8, with higher volt power will help the batt last longer. the logic is the resistance blah blah forgot my sec sch science lesson le.

and (volt x volt) / ohm = 7. this is the best spot to vape.

anyone care to share?

im using 3.7v and 2.4ohm really bad leh. not much vape. using 1.8ohm is better. but is it using up more batt?

 

[NicoHolic]

There's a price for the higher coil voltage, and that's higher current draw from the battery, and in the case of pulse width modulated (PWM) voltage regulators, a longer duty cycle of the higher voltage. Regardless of what resistance you use, the wattage out of the battery will be the wattage fed to the coil (plus some loss in the boost/buck regulator circuit). In other words, higher resistance coils aren't going to get you anything, as long as you're feeding the coil the same wattage. There's a principle known as "the conservation of energy" that covers this.

 

[rickylah]

what i dun understand is i read that higher volt with higher ohm actually help u save batt? wad abt low volt and low ohm. kinda confusing.

 

[Jin Ng]

2.4ohm with 3.7v is no no.

2.4ohm with good vapor will be 4.2-4.3v.

1.8ohm is giving good vapor with 3.7v so that explain why u are getting good vapor with 1.8ohm.

The higher the ohm, u need higher v to get good vapor.

Do a search and there is a table showing u what voltage to use for different ohm of head.

I am now using 2.5ohm and 4.4-4.5v is producing good vapor.

 

[abarth]

go n play with this calculator...your batt life depends on how much amp are drawn from it

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