Compatible with: Razor E150 13111601 13111661. Your electric scooter may not have a fully charged battery. Therefore it is a good idea to charge the battery prior to use. Initial charge time: 18 hours. Recharge time: up to 12 hours. When the scooter is not in regular use recharge the battery at least once a month until normal use is resumed. Run time: Up to 60 minutes of continuous ride time. Chargers have built-in overcharge protection to prevent battery from being over-charged. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.