Did you know that you can recharge alkaline batteries? Well, they're not perfect. You'll need something to put your charging battery on. If, by chance, it should .
Since an alkaline battery is normally sealed, very high pressures can be created within it. This can. Higher risk of leakage when charging and while in use.
Five-year cost of charging a pair of NiMH vs. Alkaline (AA size) Assumes you go through a set of AA's every three weeks.