Hello Bill, like your photos of the batteries. I had the same problem and I didi exactely as you suggested. It worked fine. I am now seraching for a control box for my power cycle 500 and I can't seem to succeed. By the way I buy my batteries from http://www.atbatt.com/product/3579/sla/kung-long/wp8-12/battery Thanks. DenisP at asneedeed@hotmail.com