Anybody use any reliable portable charger for travel? Similar to this
Amazon.com: EBL® 4 Pack 18650 3.7V 2600mAh Rechargeable li-ion Battery with Universal Charger for 10440,14500,16340,18500,18650 Rechargeable Li-ion Battery: Cell Phones & Accessories
I have been taking my Nitecore when I...