The UM20 dual-18650 charger combines the best aspects of Nitecore’s most popular chargers, from the power and versatility of the Intellicharger to the sleek comfort of the UM10. It features a convenient LED screen, several layers of protection, and pass-through device charging—all in a very sleek package.

This is arguably the best 2-battery charger in its price range.

FEATURES:

• LED screen that displays exact battery charge
• Overcharge protection
• Reverse polarity protection
• Internal resistance detection
• Pass-through micro-USB charging
• Compatible with 18650,18490,18350,17670 17500,16340,14500,10440