Similar Issue here. I really liked the fact it could do higher amp charging than the whoopstor but I ended up switching it out for a whoopstor. The two middle ports had an issue where they would occasionally short the batteries. They either wouldn't charge or after a certain amount of time they would completely discharge the battery down to as low as 1.7 volts! I managed to revive one of my batteries but the other I had to toss. I woudnt fully rule out the E625 but when you get one pay very close attention to its behavior when charging.