Block pvua 2424 10 ups module with display 24v dc 10a plus battery module block pva 2412ah the block pva 2412ah is a ups long life accumulator module for uninterruptible power supplies it is ideal for use with the block pvua 2424 10 ups module with display 24v dc 10a order code 59 2732the accumulator works in conjunction with the pvua accumulator manager to provide a back up 24v dc supply in the event of the failure of the supply voltage what is really special about this system is i