UF-980L Problem

LED Flashlights – General Info 18650 Flashlights
8

There are tons of battery reviews here on BLF.

Since you’re already familiar with Manafront.

http://www.manafont.com/product_info.php/sanyo-protected-18650-high-capacity-rechargeable-battery-1pcset-p-9322

Review here: Review: MarsFire Sanyo 2600 - 18650

Many of us use these. They are unprotected, so due caution is advised…

http://www.manafont.com/product_info.php/sanyo-unprotected-18650-flat-conduction-design-rechargeable-battery-1pcset-p-9321

A read thru this may help you decide…
http://budgetlightforum.com/search?cx=003594287766108315333%3Arh7nbidoobo&cof=FORID%3A10&ie=UTF-8&as_q=18650+battery+review&sa=Search&siteurl=budgetlightforum.com%2Fnode%2F9017&ref=www.google.com%2Fcse%3Fcx%3D003594287766108315333%253Arh7nbidoobo%26cof%3DFORID%253A10%26ie%3DUTF-8%26as_q%3Dmarsfire%2B18650%26sa%3DSearch%26siteurl%3Dbudgetlightforum.com%252F%26ref%3D%26ss%3D4275j1695327j14%26ad%3Dn9%26num%3D10%26rurl%3Dhttp%253A%252F%252Fbudgetlightforum.com%252Fsearch%253Fcx%253D003594287766108315333%25253Arh7nbidoobo%2526cof%253DFORID%25253A10%2526ie%253DUTF-8%2526as_q%253Dmarsfire%252B18650%2526sa%253DSearch%2526siteurl%253Dbudgetlightforum.com%25252F%2526ref%253D%2526ss%253D4275j1695327j14&ss=1011j344369j4

You can buy a number of good quality cells on eBay as well.
More expensive than buying from overseas, but you don’t have to wait…

You made a great choice in a light. A good light deserves a good battery…