New Charger will only have two Prongs (24VCHRG-QC) 1. Plug the charger in the wall, green light will be present.2. Slide the battery on the charger.3. Light will go to Red if the battery is charging. 4.If the charger light is not illuminated, please contact our Customer Service Team via email at help@allseasonpower.com or by phone at 866-225-9723. Monday through Saturday EST. Note:The new charger’s two-prong design is intentional—it’s compact, easy to use, and designed to work seamlessly with all compatible batteries, ensuring safe and reliable charging. Related articles General Troubleshooting for Battery and Charger Find Your Snow Joe / Sun Joe User Manual (All Models) Snow Joe + Sun Joe® Battery Guide Pressure Washer Quick-Connect Spray Tip Set (Nozzles) Battery and Unit Compatibility Guide