Steven wants to know what battery charger is best. He's seen one on SharperImage.com that looks pretty good. It's a Universal Battery Charger and it promises to regenerate batteries. Is it legit? Leo says that it's a bad idea to recharge alkaline batteries. He should get a rechargeable NIMH battery charger. Steven can check out theWirecutter.com for the best battery charger. He can get the charger with four batteries for around $21.
Riley has a Windows 7 laptop and he's getting an error message that his battery should be replaced. Since Riley's laptop is about two years old, the time is about right for Riley to replace that Lithium Ion battery since they only have 500 fixed recharge cycles. So yes, Riley probably needs to replace the battery. If he keeps his laptop always plugged in, he'll be limiting the number of recharge cycles. He should only recharge the battery when he needs to for being out and about.
Leo says that while most cameras have rechargable batteries these days, cameras that have disposable batteries are an advantage because he could get the batteries anywhere. It would be great for traveling. He can get rechargeable AAs, but he would need to get the high milliamp batteries for them to last. Eneloop Rechargeables by Sanyo are really good.