AMBIENT TEMPERATURE SENSOR Installed temperature compensation precisely adjusts battery voltage based on temperature sensor readings. This ensures your battery will always be properly charged and maintained no matter what conditions it is subject to. Reverse polarity, short-circuit and over temperature protection.
FOUR BATTERIES AT A TIME - Maintains up to four batteries at a time when connected in parallel. Requires the use of user-supplied wiring or Y-Connectors 210AY (sold separately). Use with 12Volt car, truck, marine, maintenance type (filler caps), sealed, maintenance-free, starter, deep cycle, AGM, & lead-acid batteries.
FCC CERTIFIED - Certified by the California Energy Commission as meeting the current efficiency standards, which means it meets strict energy efficiency guidelines set by the US Environmental Protection Agency and the Department of Energy.