Hey guys,
So I've had my hl532-300 for a while now (laserbtb 532nm 300mw), and ive always been disappointed by the runtime i get with it.
It runs off of a single 16350, and i usually get about 45 seconds to a minute of run time before the power drastically drops (not 45 sequential seconds)
I have three thoughts about this.
1, absolute shit batteries. theyre just some random 16340s I had laying around. They claim 1000mah. (hah) From what im reading 16340s should be ~600mah. The charger I charge them on, which also charges lots of 18650s, claims their capacity is somewhere between 20 and 50mah. I should spend 15-20 bucks and get a set of real nice batteries
2, I should make tube extender to house a 16650, which is apparently >twice the capacity
3, I should make a tube extender AND find a way to take about half a millimeter of the plastic sleeve out of the inside of my laser so it can house a single 18650
I really feel like option 1 is what i /should/ do
Option 2 is the safest and will probably yield the best results
Option 3 would be great but i really dont want to break my laser, the dpss fragility scares me.
Question for you guys is, what sort of runtime should i expect from a single 16350?
DTRs page shows a diode (NUBM44) running 2.2amps @4.2v, while ouputting 3.6W. I get that this is a completely different diode, but that should equate 20 minutes of burn time on an 18650.
if its true that the max theoretical efficiency of a 532nm dpss laser is ~35%, but most are ~20%, that means that theres roughly a 1.5W infrared diode in the laser.
According to some datasheets, a 1.5W 808nm diode runs ~2amps at ~2v. Huh?
Even assuming 50% efficiency on the driver, 2 amps from a "1000mah" 4.2v battery, i should be getting ~20 minutes of runtime, and instead i get >1
What gives, are these 16340s i have REALLY just that bad, or am I just doing poor math?
For shits and giggles ill discharge one completely then slice it open tonight.
EDIT*
I butchered the title :l
So I've had my hl532-300 for a while now (laserbtb 532nm 300mw), and ive always been disappointed by the runtime i get with it.
It runs off of a single 16350, and i usually get about 45 seconds to a minute of run time before the power drastically drops (not 45 sequential seconds)
I have three thoughts about this.
1, absolute shit batteries. theyre just some random 16340s I had laying around. They claim 1000mah. (hah) From what im reading 16340s should be ~600mah. The charger I charge them on, which also charges lots of 18650s, claims their capacity is somewhere between 20 and 50mah. I should spend 15-20 bucks and get a set of real nice batteries
2, I should make tube extender to house a 16650, which is apparently >twice the capacity
3, I should make a tube extender AND find a way to take about half a millimeter of the plastic sleeve out of the inside of my laser so it can house a single 18650
I really feel like option 1 is what i /should/ do
Option 2 is the safest and will probably yield the best results
Option 3 would be great but i really dont want to break my laser, the dpss fragility scares me.
Question for you guys is, what sort of runtime should i expect from a single 16350?
DTRs page shows a diode (NUBM44) running 2.2amps @4.2v, while ouputting 3.6W. I get that this is a completely different diode, but that should equate 20 minutes of burn time on an 18650.
if its true that the max theoretical efficiency of a 532nm dpss laser is ~35%, but most are ~20%, that means that theres roughly a 1.5W infrared diode in the laser.
According to some datasheets, a 1.5W 808nm diode runs ~2amps at ~2v. Huh?
Even assuming 50% efficiency on the driver, 2 amps from a "1000mah" 4.2v battery, i should be getting ~20 minutes of runtime, and instead i get >1
What gives, are these 16340s i have REALLY just that bad, or am I just doing poor math?
For shits and giggles ill discharge one completely then slice it open tonight.
EDIT*
I butchered the title :l