Battery needed!

I need some batteries for my camera but unfortunately always forgotten whenever we go out to grocery shopping. Been in awhile I miss taking pictures with my son, he is my model, haha! So many silly acts i witnessed with him that i haven't take shots for evidence to his Dada and family and i don't like it! I wanted to have memorabilia you know. The husband really got me a rechargeable batteries and kit but the li'l boy was to curios to misplaced everything! I always write in my lists of groceries the battery pack but... (I still forgot! duh). I guess later we'll get food, I need to write it in CAPITAL letters so no more forgetting! hayyyy...