M2 OLED Digital Measures essential electrical system parameters with adjustable alarms and an auto-dimming display. Digital Mini OLED Digital Monitors key AC and DC functions. Monitors key functions on a bright, waterproof, daylight readable screen. Analog AC and DC Meters with backlighting for low light conditions. Direct Current (DC) Monitoring Direct Current is typically derived from batteries, but can also be produced by converting AC Current to DC Current using a battery charger. Typically the values measured are Volts, Amps and Amp-Hours (State-of-Charge). 140 142 146 145 METERS
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