Time for silence on VRLA?

Now that VRLA batteries are built 'properly', Ken Peters wonders if BEST will still be able to fill its pages with articles as he reflects on the technology's turbulent history.

Amongst the major innovations in the 150 year history of the lead-acid battery, the development of gas recombining valve regulated designs is seen by many as potentially the most important. Offering improved high-rate output, higher specific energy and operating flexibility never previously envisaged, their use in telephone and UPS systems grew quickly in the latter years of the 20th century, replacing previously-used designs . . .