Each charging slot has a corresponding indicator light. Indicator Light. ULTRA-PORTABLE - Only 110g (lighter than an iPhone). Fits flat-top/button-top cells (no adapter needed). Smart Charging.
Universal Battery Charger, Universal Camera Battery Charger for Travelers and Professionals, Compact USB-C Charger for Multiple Devices, Black Design with Smart Charging Technology
Nitecore i2 (New 2017 version) Intelligent Charger Universal Smart Battery Charger for 18350 16340 26650 18650 16340 AA/AAA re-chargeable LI-ion Batteries
Universal Smart Battery Charger, Dual Bay USB Charger for 18650, 21700, 26650,14500 and Other Li-ion Rechargeable Batteries with LED Indicator
Universal USB Battery Charger 100% Fast Charger AA AAA Rechargeable Batteries UK
