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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.

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Open it

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

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Finished,the lithium battery .

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You can check more 3.7V led light batteyr at

 http://www.tlh-battery.com/lithium-ion-battery/3-7v-lithium-ion-battery/

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E-mail: cherry@battery18650.net

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