I am having trouble working out whether my batteries are stuffed or not.
I have two 5 year old 85ah lead acid batteries which due to mangled cell caps hadn't been topped up in some time, I don't know how long as I inherited them with an unknown history. With the aid of much ingenuity and elbow grease I removed the caps and topped up the cells to revive the batteries. Each battery took almost a litre of demineralised water!
I used my ctek mxs10 to recondition the batteries, the program successfully completed, then I left them to fully charge. On removing the charger each battery measure