There's no danger, because the charger will automatically shut down
When the battery is in a full state, the charger will not stop charging, it will still provide a constant floating charge voltage and a small floating charge flow to supply the battery, because once the charger stops charging, the battery will naturally release electricity, so the use of floating charge method, balance this natural discharge, small UPS usually use floating charge mode.
Reasons for premature aging of electric vehicle battery life:
1. The owner has no awareness of battery maintenance, resulting in serious battery vulcanization damage. Must wait for the battery to run before coming to repair maintenance, then repair more difficult. In fact, 6 months maintenance once, the life naturally extends a lot, but the owner does not have this awareness. Battery damage, most of which starts with the charger causing excessive water loss.
2. Chargers are killers. Divided into inferior chargers and aging chargers, these battery killers generally play a killer role after 8 months of batteries. The reason is that the new battery meets the tastes of these battery killers, and as the battery ages, the battery cannot meet the requirements of the killer, and in June every year, the battery rapidly loses water and is scrapped.
3, luxury electric vehicles start the current is large, resulting in battery vulcanization. If the owner starts the car and accelerates slowly, the battery life and driving range will naturally increase by 20%.
Overcharge, inferior battery charge for a long time has the risk of explosion or leakage, mainly depends on your flashlight has charging protection, but now the charger such as the mobile phone has charging protection, the battery will not be charged again!