Everything from a car battery to running your gadgets, the battery is key. For vehicles, choosing a car battery replacement guarantees your vehicle starts every time. In terms of small electronics, CR2032 battery is best for key-fobs and watches and LR44 battery is best for thermometers and toys. If you require more power, lithium batteries and 18650 batteries deliver powerful power for heavy duty devices such as flashlights and laptops. And if you are looking for a greener option, rechargeable batteries are a green alternative that will save you money and waste. Outdoor enthusiasts can go with a leisure battery for camping and boating, that will give you strong performances on any devices. Know the proper battery for each use so your devices and cars remain in operation when you need them.