GoolRC Ultra Power UP100AC DUO 100W LiIo/LiPo/LiFe/NiMH/NiCD Battery Multi Balance Charger/Discharger Optimized operating software. Balancing individual cells for battery discharging. Adaptable to various type of lithium battery. Three USB ports, 5V/2.1A for iPad, mobile phone, digital cameras, etc. Fast and storage mode of lithium battery.