Letter Re: You May Not Need to Buy New 12 Volt Batteries
Jim: The 12 volt DC lead-acid batteries employed in most readers’ vehicles, power storage systems and backup supply systems are expensive, have finite life spans and are a critical link in the timely operation of equipment required to respond to short term and long term grid-down situations. Aged batteries become unreliable, but are difficult to keep in a state of readiness and when deemed “spent” their replacement puts a drain on already limited financial resources. Most people have battery chargers and the know-how to use them in an effort to keep older – or infrequently used – batteries in a …