Time for some fresh life hacks! With all the kids they have at the Lopez house they are constantly changing batteries on all kinds of kids toys so Courtney discovered a little hack to see if your batteries still have juice! This 5 second trick will save you tons of time putting the correct batteries in that remote or kids toy you're always changing. Check out her latest hack below and remember we love hearing from you guys! Tweet us @ONWithMario or slide into our DMs on Facebook!