A hydrometer is irreplaceable for diagnostics and a voltmeter is indispensable for what it does best. Sorta silly to try and eat peas with a butter knife.
Regards, Don My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.
