This ended up having an internal sort and would not charge the secondary battery unless you pulled on the terminal. Very poor constructed product and the customer service keep wanting to troubleshoot in being something with my wiring and I informed them I could bypass the product and everything works just fails once you connect the smart charger.
25 Foot EPAuto Heavy Duty Jumper Cable For Boosting Vehicles - 1 Gauge, 800A Capacity, Includes Safety Gloves And Carry Bag
26 Review
EPAuto 6 Gauge X 16 Ft Heavy Duty Booster Jumper Cables With Travel Bag And Safety Gloves
23 Review
Renogy 12V 100Ah AGM Battery: High-Performance, Low Self-Discharge, And Safe For All Your Off-Grid Needs!
19 Review
Efficient Power Control: Voswitch UV100 8 Gang Programmable Switch Panel For Truck, UTV, Boat And 12V Battery Use
32 Review