NITECORE UI2 USB Portable Charger for IMR/Lithium-ion Rechargeable Batteries, 2 Slots

Charge IMR/Li-ion batteries via USB Type-C (USB adapter sold separately). Compatible with larger 20700/21700 Li-ion batteries. Simply insert the battery and begin charging. No complicated setup is required. The two slots are controlled separately, so batteries with different levels of charge can be charged simultaneously. Input: DC 5V/2A 10W, Output: 4.2V 1000mA (max)