1. 

   secondb New Member

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   Want to get the most out of your Ultrafire WT-139 charger and be able to charge shorter 3.7v batteries such as the 18350 and the 16340/ICR 123 ?
   Rather than using dummy spacers such as a dowel with a bolt thru the center. You can wire the side terminals with simple internal jumpers.
   
   
   
   WT-139 hack

    

   secondb, Oct 28, 2015

   #1
2. 

   pydrima New Member

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   Awesome man ill be sure to give this one a try. 18350's are so cute Nice work!

    

   pydrima, Oct 28, 2015

   #2

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