Description of Best Par 60: Best battery on the market The biggest complaint about some of the other battery powered par lights on the market is that the battery does not last long enough and that the batteries die every few months. Our BEST PAR 60 uses the best battery on the market. It will last twice as long as the other battery powered par lights on the market. These batteries can cycle hundreds of times without you ever needing to replace them. Our built-in battery is 13, 200 mAh. The famous brands on the market have batteries that are around 5K mAh. The BEST PAR 60 has a battery indicator on the LCD display so you know how much longer your battery will last. Our model also has field replaceable batteries In case the battery does ever go bad. Description of Charging Case: The BEST CHARGE 60 is the perfect solution for protecting your lights during transport as well as charging your lights efficiently. The case holds 6 BEST PAR 60 lights or other lights with similar dimensions. The wheels on the case will allow you to safely transport your lights effortlessly. This durable, rolling road case can take a beating! We drop tested it with lights in it from 5 feet in the air on both sides and the case and lights did not get damaged. When you are ready to charge your lights after your gig or before your next gig, simply plug the fixtures into the central outlets within the case, and plug the case into the wall. The case will hold your lights and power cables.