I have over 30 orders from them and don't even want to figure out the total I've spent with just them. My first purchase was for over $2K. Needless to say I'll continue using Sonic as my first go to source. Customer service is amazing,I usually only call a rep named Kyle Ellison ext. 2555 to make all my orders.
Might want to edit that video "basehead" should be basshead.. Good stuff though.. And to all the Skar haters,just STFU before you start making your dumbass "Skarbage" comments.
I got a C-tek 7002US years ago on Amazon for about $120 I think and it works great. I still use it now on my D3400, D1200 and my older Optima yellow top,charges at 14.4V on normal mode(average car battery) and 14.8V on snowflake mode(AGM/GEL batts).