Battery Upgrade for Black Friday Kits


If you love the black Friday deals going on right now at EMP but just want to add that extra range in your battery no worries you can do that here. Just attach this upgrade to any battery you like for more range for you system !


  • 36V 14Ah - 17.5Ah Sea Dragon and Sea Monster only
  • 36V 21Ah Sea Lion Only 


  • 48V 14Ah Sea Dragon and Sea Monster only
  • 48V 17.5Ah Sea Lion

52V - This can be used with any 48V kit for Bafang mid drive kit best used with a color display that shows the true voltage at all times. 

  • 52v 14Ah Sea Monster & Sea Lion only