The GEN ENERGY 4-Channel Fast V-Mount Charger (6A) allows users to chager four Gold Mount G-B100 Series Batteries simulaneous. The Gen Energy G-C100 measures the voltage inside the battery in 100 steps and reflects it in real time. It features 5 LED indicators, when the 5 indicators are turned on, they are displayed in a simplified format, such as 100% state of charge, 99~95%, and 94~90%. Because they do not adopt low-durable displays such as liquid crystal panels, they can cope with shock and temperature changes.