Nitecore UM10 Digital Universal Charger for 18650 17650 17670 RCR123A 16340 14500 and Lumen Tactical Battery Organizer Fully automated - charging based on battery type and capacity, and stop when complete Fully protected from overcharge, undercharge and reverse polarity Detail LED display of charging progress at 1% incremental USB ouput charging port for your phones and tablet Also include bonus items: Lumen Tactical battery organizer sampler.