Has the charger for cordless phones been plugged in all the time? Is it harmful to batteries?
Battery maintenance method:1, each time fully full use of electricity, reduce charging times, improve battery life.2, do not completely discharge the battery, usually less than 10% of electricity need to charge.3, use the original charger charging, do not use universal charging.4, mobile phone charging process, do not use mobile phones.5, do not charge too much, after the battery is full, stop charging.
In this way, the battery damage is very large, increasing the number of battery charging, resulting in shorter battery life.
