recharge

Hi experts, Need your advice/opinions. after a flood (unrelated to mega flow) contractors re-install the mega flow system into our loft conversion. its seem ok.. BUT after the gargles last year and this year a few times, which I fix it with by Recharging, I realized today when I switch off...

I need to get two new 7ah 12V Lead Acid batteries for my 1000va Belkin UPS as they are shot after 3.5 years of use. They clearly need replacing as the UPS just shuts of immediately on power loss and the batteries are very hot and slightly swollen out. Ones even resting around 6V. They are...