The Infinite Light Power Pack+ doubles the runtimes of all compatible Lezyne USB-C Front LED units. Compact, versatile design quickly and securely mounts to bars and frames with our adjustable Velcro strap. Its integrated extra-long cable (958mm / 39-inch) plugs directly into lighting systems via waterproof USB-C. This power pack has a 23 Wh and 6600 mAh battery capacity. - Compatible LEDs: Mega Drive 2400+, Super Drive 1800+, Macro Drive 1400+, Lite Drive 1200+, Micro Drive Pro 1000+, Micro Drive 800+, Classic Drive XL 700+, Classic Drive 500+, Fusion Drive Pro 600+, Fusion Drive 500+, Zecto Drive 250+, KTV Drive Pro 300+ - External power pack doubles runtimes of compatible LEDs - 985mm (39") cable length - Can be used as an external USB-C charger for GPS units or mobile phones - Securely mounts to frame with adjustable velcro strap - Powerful 6600 mAh capacity