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Go Back   Laser Pointer Forums - Discuss Laser Pointers > Lasers > 445nm Lasers



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Old 04-27-2013, 03:36 AM #1
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Post Strobing 445

My 445, (1x18650, not sure if its m140 or a140) comes on works good but after about 10 seconds its starts strobing, brightness never changes, any thoughts..

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Old 04-27-2013, 04:15 AM #2
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Default Re: Strobing 445

Usually means the battery is low, or cant hold a full charge.

Do a search, this topic has been discussed many times.
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Old 04-27-2013, 04:36 AM #3
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Default Re: Strobing 445

thanks will do
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Old 04-27-2013, 05:04 AM #4
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Default Re: Strobing 445

Here is how to check your batteries.

How healthy are your batteries? (How to measure internal resistance)
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Old 04-27-2013, 05:07 AM #5
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Default Re: Strobing 445

Some batteries have internal protection circuitry that will try to shut off the load if the battery voltage, or current draw is too high. If your batteries are flat, the voltage may start high enough to power the laser, but after being on for a while, the voltage may dip too low, trigger the protection circuitry, and shut off the laser. When a load is disconnected from a battery, it's voltage will float up a bit higher, so it sometimes can get stuck in a loop like you're describing.
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