Quick review of XTAR VC2 Smart Dual Slots USB Battery Charger with LCD purchased from Gearbest (http://goo.gl/fFiqOG).
This charger has three stages of charging (TC-CC-CV) to prolong the lifespan of your batteries. At some point, it can bring back your dead batteries.
Can be used to charge 10440/14500/14650/16340/17500/17670/18350/18490/18500/18650/ 18700/22650/25500/26650 3.6V/3.7V Li-ion/IMR/INR/ICR batteries.
If you want to charge your Eneloop (NiMH) batteries, use XTAR VC2 Plus: http://goo.gl/I35BaL