When it comes to the Pecron E1000, the best battery-powered enerator on the market is the e1000. This small unit is designed to run all of your electronic devices. It features a lithium-ion battery that’s safe for use. The Pecron E1000 also has a fast charging time of 6-7 hours. It also charges all of your devices with a low noise level, making it a great choice for outdoor activities.