Want more power for your Blue Box mounted fish finders? This extender is the answer to your dead battery blues! Upgrade your unit today with a Blue Box Extender and an 18Ah Amped Outdoors Battery!
 
 
This product includes:
 
	
A Blue or Glow in the Dark Spacer
	
Four Mounting Screws
	
Ice Hole Power sticker Free Shipping!
 
Add ons:
	
18Ah Amped Outdoors Battery
	
Lithium Charger
	
Large battery cover