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LED Emergency lights chagne to lithium battery power supply, life time extended a double
Dec 12, 2017

The led light use lead acid battery.When i bought it,the battery can last for 6 hours,but soon,it drops below 3 hours .

So i tried to replace the old acid battery with lithium ion battery,

This is my old led light.


Open it


Below is the lithium batteyr pack 1S2P 3.7V 3Ah 18650 lithium ion battery pack.


Finished,the lithium battery .


You can check more 3.7V led light batteyr at


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E-mail: cherry@battery18650.net

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