Voltage operating stupid question...
- Thread starter hap124
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I would guess that head is boosting 3v to 3.4v and that using a AA if it does boost it will be on the range of about 10% which will make the 1.2-1.4v nimh about 1.3-1.5v which isn't enough to even light up an LED dimly. You would need a 2AA body.
And those lights include a boost type DC to DC converter to feed the LED.
Usually a converter is designed either to buck or to boost, but not both.
If the regular battery voltage is above the LED voltage it can use a buck converter, a PWM regulator or a linear regulator. Or if designed for exactly one input voltage it could just use a resistor....
Only the buck converter lets you use a wide range of battery voltage without power loss.
Gene43
Enlightened
It will light, but the behavior will be erratic, especially as the cell loses voltage. You really need 2-3v for good behavior.
Thanks, Gene
Thanks, Gene
hap124,
Battery Junction carries a 3 volt primary Lithium-Manganese-Dioxide AA battery that looks like a rechargeable, but isn't:
http://www.batteryjunction.com/titanium-cr14505-craa--3v.html
They are not too expensive (although you have to order in quantities of 4).
Battery Junction carries a 3 volt primary Lithium-Manganese-Dioxide AA battery that looks like a rechargeable, but isn't:
http://www.batteryjunction.com/titanium-cr14505-craa--3v.html
They are not too expensive (although you have to order in quantities of 4).
Last edited:
StandardBattery
Flashlight Enthusiast
:fail: if you have to order in quantities of 4 because they're in a 4-pack then they should be priced that way as a 4-pack and the description of the item should indicate as such.
