Yes, alkaline batteries can be recharged. However, it is not considered to be cost effective and does have some risks. Recharging any battery can cause the .
Did you know that you can recharge alkaline batteries? Well, they're. With that sort of current, you shouldn't leave the batteries connected very long at a time.
Here is a low current charger I designed in an attempt to extend the life / recharge regular non rechargeable alkaline batteries. The trick to doing this is three .