What happens when you put alkaline batteries in a charger?
What happens when you put alkaline batteries in a charger? Recharging any battery can cause the production of gas within the battery. Since an alkaline battery is normally sealed, very high pressures can be created within it. This can rupture the seal, resulting in leakage of the contents or even explosion.
Why are alkaline batteries not recommended?
Disadvantages of Alkaline Cells and Batteries Alkaline batteries also have a high internal resistance. This reduces the power output of a battery. In addition, while they are not as prone to leaking as some other types of cells and batteries, alkaline batteries will leak if left in devices unused for too long.