Why my 24V-1500FL-LTE-P1 unit is not turning on? The unit has a safety feature that prevents it from turning on if the battery is not inserted correctly. Related articles What could be causing my 24V-DRNCLN-SK1 unit to not power on? Are there any upgrades available to increase the charging speed of my 24V-1500FL-LTE-P1 battery? Will my (ICHRG24-AC) plug-in charger compatible with the 24V Battery Series? Can I use any 24V battery with my 24V-1500FL-LTE unit? What are the different light modes available on the 24V-1500FL-LTE-P1, and how can they be used?