ECG monitor charging times vary by brand, model, and battery capacity. Generally speaking, the charging time is between 2 and 4 hours.
When charging, it is recommended to operate according to the instructions in the manual. Usually, when charging, you need to connect the ECG monitor to the charger and plug it into the power supply for charging. During charging, it is recommended to keep the ECG monitor powered on and disconnect the charger when the charging light turns green, indicating that the battery is fully charged.

Please note that it is recommended to charge the battery when the battery power is below 20% to avoid excessive battery discharge affecting battery life. At the same time, during use, it is also necessary to pay attention to charging in time to ensure the normal use of the device.

Therefore, I recommend TEFOO ENERGY standard lithium battery, which is convenient for operators to carry out mobile indoor and outdoor operations. Providing continuous, efficient and stable mobile power supply has become the greatest guarantee for the normal operation of such equipment. The solution uses high-performance batteries, so that the entire battery has the characteristics of high energy ratio, light weight, small size, high cycle life, high safety, and high consistency. The battery is very convenient to use, and the original battery can be directly replaced on site.