The Grin Cycle Satiator is a universal charger for all types of e-bike batteries. You can program up to 20 custom charge profiles for any lead, nickel, or lithium battery pack with a full charge voltage of 63V or less. With 360 watts of charging power, it is over four times as fast as your normal 2 amp "Fast Charger", and yet it fits in a smaller package.

Must charge at 4A on 10.4Ah batteries

Features: 

• Fast Charging up to 400% faster than the stock charger
• 80% Partial charge setting for extending battery cycle life
• 50% Storage charge with maintaining function setting 
• Graphical LCD that actually GRAPHS
• No Fan - Zero noise!
• Thermally managed design
• Water and vibration resistant
• Programmable and firmware upgrade available with a PC or MAC
• Sorry! Substitution for stock charger not possible